Quickly clean your computer from viruses. How do I remove the virus? Step by step instructions for beginners

The main task of each computer operator (user / user) is to maintain the cleanliness of the operating system by all means available for this.

First of all, this "purity" is due to the absence of virus software in the structure of the operating system, the presence of which can directly affect the operation of Windows, on the computer as a whole, and most importantly, on the safety and compromise of personal data.

Therefore, the primary task of each user is to protect their own computer, especially if this computer is "corporate / work".

And this is exactly what you should do within the framework of this article.

Which programs should you choose?

To begin with, there is no specific regulation on how to remove virus software (hereinafter referred to as malware). If you are faced with the consequences of the activities of "VPO" and are in search of specific information on its identification and removal, then, unfortunately, you will have to upset. The difficulty is that there are a huge number of scenarios of how viruses can act and what harm they can do to the operating system.

It should be noted that the choice of antivirus software is significantly influenced by personal preferences, as well as the financial capabilities of the user. Taking this into account, this article will show only three of the best antiviruses that can be purchased for free.

The first option is "AVG AntiVirusFree", which is inferior in user interest to its direct competitors (they will also be given below), but not inferior in efficiency and usability.

In addition, the paid version of the AVG product has long been recognized by many information security experts as the best antivirus for “home use”.

"AVG AntiVirusFree" offers a fairly solid functional set, and in addition to standard protection tools, each user is invited to test the security of opened network resources, protection of personal / confidential data and ensuring the security of electronic correspondence.

Definitely deserves attention and such high quality ratings.

Avast Free Antivirus

Over the past few years, it is the Avast product that has been recognized as the best antivirus in its category. One of the features of this antivirus is the minimum load on the operating system resources, which allows you to use protection tools with minimal impact on all other processes.

The program interface is as simple and straightforward as possible, which greatly simplifies the scanning process to identify "gaps" in the Windows security system.

The presence of full localization only confirms this statement, but this is far from all that Avast Free Antivirus has to offer, for example:

Analysis of network problems;
Analysis of the behavior of the installed software;
Email protection;
Password store;
Protection from adware;
System for updating software and drivers.

To summarize, "AvastFreeAntivirus" is really high-quality software that fully fulfills the tasks assigned to it.

In 2018, practically all specialized resources in their tests for leading places put the development of "Chinese talents" under the name "AhnLab V3 InternetSecurity". "AhnLabV3 InternetSecurity" is a comprehensive cloud-based computer protection with an abundance of tools and scanning systems. Many experts especially highlight the "TrueFind" function, which provides detection of even hidden rootkits. Excellent web security and e-mail monitoring, two-way Firewall, as well as several standard tools for cleaning the operating system - this is all well implemented in "AhnLab V3 InternetSecurity". The only thing that can negatively affect the usability is the lack of localization.

How do I remove the virus?

The first thing you should pay attention to when looking for a "pest" is that if the installed anti-virus software allowed an infection, then you cannot do without additional helpers.

In such situations, many and repeatedly were rescued by "Malwarebytes Anti-Malware" and "Doctor Web Curelt!", Which demonstrate excellent efficiency when using their resources in conjunction.

Therefore, the first thing to do is download the mentioned utilities from the official websites of the developers (https://ru.malwarebytes.com and https://www.drweb.ru), launch them and scan the system for the presence of "malware".

The utilities are as easy to use as possible, for example, in order to scan Windows with a DoctorWeb product, it is enough to do the following:

The utility will start scanning, which may take quite a long time.

Upon completion of the search for detecting malware, you will be prompted to choose what to do with the viruses found (move to quarantine, disinfect or delete).

Further steps will depend on what will be the scan results of the previously given antiviruses.

If the problem has not been resolved, then pay attention to the "AVZ" utility from a talented domestic developer. Despite the fact that "AVZ" has not received large-scale updates for a long time, it scans Windows and detects malicious software with the same "appetite".

How to remove an adware virus?

A slightly different state of affairs in the issue of removing adware viruses, which terrorize a huge number of users from all over the world, showing them "useless" advertising, while preventing them from using the computer properly.

Despite the fact that the display of such advertisements may not carry any direct harm (with the exception of additional load on computer and network resources), an accidental transition to the advertised resources can be fatal for the computer. Typically, viruses from this category are installed as normal software, and some of them can be found in the "Control Panel" in the "Programs and Features" section.

Therefore, if you have become a victim of malicious intent, immediately check if there are any suspicious programs in this section that you did not have a hand in installing.

In this situation, third-party software is also indispensable.

Having discovered the above-described consequences of the "malware" activity, immediately download the "AdwCleaner" utility, which is designed to solve just such problems.

It is available for free download on the developer's website - https://ru.malwarebytes.com/adwcleaner/.

The utility does not require installation, the interface is not complicated, and the process of using itself is as follows:

After rebooting and displaying a report on the results of the check, see if the problem with advertising was solved and if the program was able to remove it.

Real life example

In order to demonstrate the versatility and diversity of viral software, one of the many possible real-life / life examples should be cited.

What cannot the modern generation do without? That's right, no social media. This "addiction" is very popular with cybercriminals, since a user who logs into his social media account and sees information about the blocking of his page is instantly lost, which creates a predisposition to reckless mistakes and actions.

As an example, consider the ransomware virus (aka "sender"), which informs the owner of the page about the blocking of his account in connection with the mass mailing of spam or other actions, and in order to "supposedly" remove the block, you need to send a certain code to a certain number , for which an appropriate fee will be charged.

But the fee can be much more significant than it might seem at first glance. In addition to compromising your personal phone number and losing money (available on your balance sheet), you can also lose your social network account.

The main thing is never to believe such messages, and not under any circumstances send messages or call back to the specified numbers.

To solve this particular example, you can try to use some specific recommendations, but you should take into account all the above information, and understand that the actions given cannot always guarantee a solution to the problem.

So, the essence of such a situation is the earlier infection of the operating system with the Trojan.Win32.Patched.pj virus, which replaces the system library (dynamic link library) rpcss.dll with its own copy, which begins further actions to intimidate users and extortion personal information.

Analysis with the AVZ utility

To test this theory, you can and should use the previously mentioned utility, "AVZ", without which it is simply impossible to solve serious virus problems.

Run the executable file and wait for the utility interface to open, then do the following:

After rebooting the operating system, open the folder where you previously unpacked the "AVZ" utility and find the "KL_syscure.html" file in the "LOG" folder.

This file will contain information about the analysis performed, and if your situation fits the scenario described above, then in the results you will find a line similar to the following - c: \\ windows \\ system32 \\ rpcss.dll - Trojan.Win32.Patched. pj (BitDefender: Trojan.Generic.8975812, AVAST4: Win32: Patched-ANN)

Treatment

Proceeding from the fact that the virus replaces the system library, the conclusion about the applied methods of treatment suggests itself - it is the deletion of the "infected file" and replacing it with a clean / correct ".dll".

Immediately, you should warn you against attempts to download the file "rpcss.dll" on any third-party resources (databases of dll files), since you will not find anything else but new viruses and a new headache there.

You should contact Microsoft technical support directly or download the file from trusted it-forums or information security forums, the honesty of which you have no doubt. After receiving the file you need:

If the problem is resolved, delete the renamed "rpcss.bak" file and clear the cache memory of the browsers you are using.

Conclusion

The complexity of the issue under consideration also lies in the fact that the source of infection is far from always known, and, in principle, the actual presence of third-party interference in the operation of the operating system.

The best option, if the above recommendations did not solve your problem, would be to contact our forum Mego-forum.ru with a detailed description of your problem, where, based on the information you voiced (the analysis script "AVZ" and other antiviruses), they will be able to provide specific options for steps to remove malware and restoring the operating system.

Protecting your computer from viruses

Signs of a computer infection

There are signs by which you can understand that a PC or laptop has become a victim of viruses. However, they may differ. Depending on the purpose of the malicious software. But general omens do not change.

If some of the above symptoms were found on your computer, then you should check your PC for viruses as soon as possible. Otherwise, the infection will continue and turn into a pandemic. Therefore, we urgently need to install some kind of antivirus. Let's consider the best.

If you do not take timely measures to destroy viruses, then the number of infected files will reach a critical point. In this case, even damage to the hard disk is possible. With such a scale of the disaster, only a complete reinstallation of the OS and formatting of the entire drive will help. And this is fraught with the loss of a huge amount of time and many important files (all).

Windows Defender

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No matter what they say about the standard Windows antivirus, we must admit that it works well in the top ten. An important plus is that it is a system component. This means that there can be no question of any attempts to delete OS files.

Windows built-in utility window

Windows Defender is able to find and neutralize the most common viruses without any problems. Of course, it won't help much against Petya or WannaCry, but they are pretty rare. Especially now.

The beauty of the stock Windows antivirus is that you don't need to download and install it. Also, you do not need to purchase a license (if you already have an OS license). Therefore, it is better to use this particular product.

Windows Defender is always on and running in the background. It includes the antivirus product itself, Windows firewall and special software to protect against hacker attacks. Like all antiviruses, this one prefers to be in the system tray.

Method number 1

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Since Windows Defender is a component of the operating system, no installation is required. It is already on the user's computer. You just need to open its window. This can be done very simply.

Open the system tray and right-click on the antivirus icon. In the drop-down menu, click on the item View the Security Dashboard.

In the next window, click "Start new advanced scan". This is what this product calls a deep OS scan for viruses.

File analysis will start immediately. It can take quite a long time. All malicious objects that the antivirus finds will be destroyed immediately or quarantined.

After a while, Windows Defender will shut down. What will notify the user with the appropriate message. Checking is often unnecessary. The anti-virus always works and stops any attempts of malware to run on the computer.

If you want to install a third-party antivirus product, then it's best to disable Windows Defender first. Otherwise, conflicts between antiviruses are possible. And very serious. However, if there is Windows Defender with up-to-date databases, then no third-party product is required.

Dr.Web CureIt!

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This is almost the only free antivirus on the list. Despite his free status, he is able to find a huge number of viruses and destroy them correctly. Many users use it as their main antivirus product.

In fact, Dr.Web CureIt is a lightweight version of a "full-fledged" anti-virus from the same developer. This product does not even require installation. He is immediately ready to go. And this is even good, because with this use the program loads the computer less.

The utility is designed in the classic Dr.Web style. The interface is intuitive, but there is no Russian language in the kit. We'll have to strain knowledge of the English language. It's good that the school course will be enough.

You can download this utility completely free of charge from the official website of the developer. The program is free for home use only. If you use it in offices, you will have to purchase a license. But no one, of course, does this.

DOWNLOAD

Method number 2

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Since Dr.Web CureIt does not require installation, you just need to download the executable file. Then you can launch the program itself and start checking your PC or laptop for malicious software.

In the window on the left, select the objects that you want to scan (it is better to mark all) and click on the button "Start Scanning".

The scanning process will start immediately. The antivirus will eliminate all found threats by issuing an appropriate warning.

Using Dr.Web CureIt is an excellent solution for scanning your computer for viruses. The product is completely free, which makes it possible for everyone to use it. And despite the absence of the Russian language, it is very easy to manage the program.

Kaspersky Virus Removal Tool

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Lite version of Kaspersky Anti-Virus. The functionality of the program is rather meager, but it is completely free. By the way, this is strange. Previously, Kaspersky Lab was not distinguished by philanthropy.

Be that as it may, Kaspersky Virus Removal Tool - excellent product for detecting and destroying viruses and other malicious software. The tool received from the "big brother" an advanced and aggressive algorithm for searching and eliminating threats.

Nevertheless, this utility has one significant advantage over a full-fledged antivirus: working with system resources. The complete package is so power hungry that it can make even a fairly powerful computer freeze. There is no such thing here.

You can download this program from the official website of the developer. The utility does not require installation at all. This means that it can be used as a standby program to check other devices, simply by writing a file to a flash drive.

DOWNLOAD

Method number 3

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Kaspersky Virus Removal Tool, like all similar utilities, is very easy to use. The minimum number of functions makes itself felt. The app also has Russian. So there will be no problems with management.

Now select the objects to be checked and click "OK".

Now you can press the button. "Start Checking". It will start immediately. And it will be carried out in a fully automatic mode.

All threats found during the verification process will be ruthlessly exterminated. In this Kaspersky Virus Removal Tool is no different from a full-fledged antivirus from the same company. But it works well. With a high percentage of success.

ESET Smart Security (Paid)

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This is an unpretentious antivirus product from ESET. It is able to find and destroy almost all known viruses. However, it is useless against powerful ones like Petya or WannaCry. Although its built-in firewall will prevent these things from running on the PC.

ESET Smart Security package includes antivirus, firewall (firewall), protection against phishing sites and hacker attacks. It is actively used both on home computers and on servers. The product has proven itself very well.

You can download the installation file from the developer's official website. But keep in mind that the program is not free. There is a certain "trial" period. After that, you will need to pay for the license. But for a one-time scan for viruses, the unpaid version is enough.

This is not just a program for cleaning your computer from viruses, although its main purpose is just that. It is a complete set of tools to keep your operating system safe and optimized. To be clear, here are the 3 main advantages of 360 Total Security from other freeware programs and most paid software:

A combination of several anti-virus engines, including proprietary designs and algorithms such as Avira and Bitdefender. Part of the data processing takes place using the 360 Cloud cloud service, for which your processor and RAM will thank you and respond with faster work. It is difficult to figure out how to clean your computer from viruses more efficiently;
Scanner for inactive and background programs or processes that do not carry a payload, but only slow down the computer. Such applications are closed, after which useful resources are released;
Search for junk files and remaining "tails" after removing previously installed programs. Remember, for normal operation it is not enough to clean your computer of viruses, you also need to keep its hard drives under control!

What is Windows 7 software cleaning and does your computer need it ...
Let us analyze where the causes of the problems are, and where their consequences are. Cleaning your computer can be compared to cleaning and repairing an apartment.
Under cleaning you can understand the removal of unnecessary files (things), programs (old tools and appliances for the home), cleaning the registry (dust), restoring damaged files, i.e. consequences.
Under renovation- removal of viruses (cleaning from fungus and mold), i.e. reasons.

Booting up the computer in safe mode, if it fails to load normally, but if it does not go in safe mode, then we read and after loading we start:

First, we remove the causes of the problems - we scan the computer with an antivirus(virus cleaning) installing antivirus and antispyware (spyware cleaning) anti-spy installation .

Stage 1. Windows 7 Cleanup - Hard Drive Cleanup:
select disk WITH and OK

Calculation in progress ...
Attention- if the calculation has stopped and nothing happens for more than 20 minutes, then perhaps
the problem is in bad sectors of the hard disk (see point 2). If there are bad sectors,
freezing of the PC both during work and with a new installation of Windows

mark the boxes: Downloaded Programs Files, Temporary Internet Files,
Offline web pages, Recycle bin, Temporary files, after OK and Delete files.

Stage 2. How to check the hard drive ...
Checking the health of the hard drive and fixing errors:

Close all open files and programs.
Click with the left mouse button Start and A computer.
In the window A computer Right-click the name of the disc, ex. WITH and Properties.
In the window Properties left mouse button click Service.
Then press Check.

Stage 3. Cleaning Windows 7 - cleaning temporary files
Cleaning up temporary files that are created when running applications (Office, Browsers). Close all windows. Click - Start, in the window Find programs and files we enter % temp% and press on the keyboard Enter... Mark all files (Ctrl + A) and delete all files by pressing the (Del) key. A window will open informing you that all files cannot be deleted, since they are being used by the currently active programs. We put a bird in front of the record Perform this action for all current objects and press Skip.
Cleaning your hard drive - Start, in the window Find programs and files we enter C: \ Windows and press Enter... Find and delete all files that begin with symbols $ NtUninstall or have an end .log

Stage 4. Clearing the browser cache

Clearing the browser cache- does not load the Internet well - cleaning manually: automatically
For Chrome - clear cache
For Firefox - clear cache
For Opera - open the browser, press the button Opera which is located under the button Open in the upper left corner, then Settings - Preferences - Advanced - History, put a bird in front of the inscription Empty on exit and press OK... Close the browser. The cache will now be cleared every time you close the browser.

Stage 5. Cleaning Windows 7 - Optimizing Windows 7
Removing unused Windows 7 components- they additionally use computer resources:
Start - Control Panel - Uninstall a program - Turn Windows features on or off, we remove birds from unused Windows 7 components

Further OK... We reboot the computer.

Attention
You can also install Windows 7 components, but you will need a Windows 7 disc.

Stage 6. Cleaning Windows 7 - Optimizing Windows 7
Increasing the boot speed of Windows 7- we remove the launch of rarely used programs during the start of Windows 7: Start, in the window Find programs and files we enter msconfig and click. Remove the designations opposite these programs from the list and

Further Apply - OK... We reboot the computer.

Stage 7. Cleaning Windows 7 - Optimizing Windows 7
Removing unnecessary computer programs- the more free space, the more reliable the PC:
Start - Control Panel - Uninstall a program,
in the window that opens, mark the unnecessary program, then click at the top Delete

and then, following the instructions, delete.

Stage 8. Optimizing Windows 7 - increasing the speed of the hard drive:
Start - All Programs - Accessories - System Tools - Disk Defragmenter, in the window that opens, mark the disk that we want to defragment, then click Disk Defragmenter... The defragmentation process begins - it can take from 10 minutes. up to 2 hours.

We repeat for all disks.

Stage 9. Recovering basic (system) Windows 7 files:
Rebuilding damaged Windows 7 .dll files - Start - All Programs - Accessories,
right click Command line and left Run as administrator.

Now we type on the keyboard: sfc / scannow and press Enter.
After a while, the following should appear:

Stage 10. How to clean the Windows 7 registry using programs
Now let's turn to free software resources for final cleaning., but if you are confident in yourself, then you can clean the registry yourself - item 11 and only if the computer has recovered, you can go to the last item 12, otherwise,
a systemic system restore by date .

Stage 11. How to clean the registry - for advanced users only
Delete records already erased or incorrectly erased computer programs:
push Start, in the window Find programs and files write the word regedit, Further Enter... On the left, in the window that opens, in turn, double-click the inscriptions:
HKEY_LOCAL_MACHINE,
SOFTWARE,
we see the list of program manufacturers and double-click the name, mark the name of the already deleted program, the entries about which we want to delete, now, by clicking the right mouse button, select Delete - Yes.
Next, click Start, in the window Find programs and files write the word regedit and Enter.
On the left, in the window that opens, in turn, double-click the inscriptions:
HKEY_CURRENT_USER,
SOFTWARE,
we see the list of program manufacturers and double-click the name, mark the name of the already deleted program, the entries about which we want to delete, now, by clicking the right mouse button, select Delete - Yes.

Stage 12. Cleaning Windows 7 - Optimizing Windows 7- delete all previous restore points (this action will clear the hard drive from unnecessary system restore copies (free up 1-25GB of memory), but after that we will no longer be able to restore the system by date using the system restore function, which is not necessary with a restored computer):
Push Start - All Programs - Accessories - System Tools - Disk Cleanup, select disk C and OK, the calculation is in progress, in the window that opens, click Clean up system files(second picture, point 1), select the disk and OK... At the top of the window, click Additionally and the second button from the top Clear, Further Delete - OK - Delete files.

If cleaning Windows 7 manually and programmatically does not help, then proceed to the next steps:
System Restore or installing Windows 7 .

ALL ACTION - How to clean Windows 7 from viruses, optimize Windows 7, clean the registry -
MUST BE PRODUCED IN THE ORDER SPECIFIED

First of all, I suggest deleting all unnecessary files from your device. There are no unnecessary files and folders on my computer! - you object, in fact, there are many of them, take for example the Temp folder, this is a folder for storing temporary files. It accumulates files after installing programs, after saving intermediate versions of files, etc. in addition, this is the first shelter of viruses, most of the viruses initially appear there. Since we don't need extra junk and viruses, we need to clean it, this can be done manually, go into the folders and delete all unnecessary from them:

C: \ Users \ Username \ AppData \ Local \ Temp (AppData is a hidden folder, to see it you must make hidden folders visible )

Or use specialized programs such as Ccleaner. This program will not only allow you to delete temporary files, but also clean browser caches (where viruses can also be located), trash, etc.

First of all, you need download Ccleaner from the official site (in this case it will be the Portaple version - no installation required)

After downloading, unzip the archive and run the version corresponding to your version of the operating system (x32 or x64). You will see this information if you click on shortcut Computer right-click and select Properties. In the properties window, find the line "System type", the version of your operating system (x32 or x64) will be indicated there. If nothing is specified, then your version is x32.

Depending on your operating system version, run the Ccleaner version.

Immediately after launch, a window will appear asking about scanning Cookies, click "Yes".

After that, the program window will open, if you need to change the language, go to the "Options" - "Settings" tab and select "Russian" in the "Language" field.

Select "Cleanup" in the left menu, to the right you will see various groups of files that you want to search for. I recommend leaving everything by default, clicking the "Analysis" button (first close all browsers). After that, the program will analyze all files in the folders. This process can take up to several minutes.

After the end of the analysis, on the right you will see the file sizes that can be deleted. To delete, click the "Cleanup" button.

We agree to delete all files.

All ... unnecessary files have been deleted. Now you can proceed to the next step.

Checking laptop / computer for viruses.

In order to check a laptop / computer for viruses, it is not at all necessary to fork out and buy an antivirus, it will be enough to use free scanners, such as Dr web curite or Kaspersky Virus removal tool ... What they are, these are programs that do not require installation, scanning your computer for viruses, but unlike their paid counterparts, they are designed for one time, since the anti-virus databases cannot be updated. Those. The antivirus scanner downloaded today is no longer relevant for tomorrow, since it does not contain fresh databases. Therefore, to check a laptop / computer with scanners, you need to download them every time before scanning. For example, I will describe step by step how to clean a laptop / computer from viruses using an antivirus scanner from Dr Web Curite.

After you have entered the Dr Web site, you must press the button "Download Dr. Web CureIt! With the function of sending statistics". Otherwise, you simply won't be able to download the free version.

Then read and agree to the License Agreement.

After that, the download of the antivirus will start. Run the downloaded file, let me remind you Dr. Web CureIt does not require installation. After launch, the Licenses and Updates window will appear, check the box that you agree to send statistics to Dr. Web.

After that, click on the wrench in the upper right corner to open the options menu. Check the box " Automatically apply actions to threats "so that whendetection of a virus, Dr.Web CureItimmediately performed the specified actions (healed, deleted, etc.), and did not wait for your reaction. Then click the "Settings" button.

In the settings window go to the "Actions" tab and select "Delete" in the Incurable item. Click "Ok".

After that, you can start checking your laptop / computer for viruses, just click the "Start scan" button.

Next, the scanner window will appear. Here we can observe how the scan proceeds, how many files are scanned, how many infected are found, the approximate time until the end of the scan. If the scanner detects infected objects, information about them will be entered in the table at the bottom of the window: file name, name of the detected virus or malicious code.

At the end of the check, it is enough to close the windowDr.Web CureIt.

In the future, in order to experience less problems with viruses, I highly recommend installing a full-fledged antivirus, if you have a limited budget and have no money to buy antivirus, install a free antivirus, such as Microsoft Security Essentials or Avast.

Removing unnecessary programs.

Sometimes there are situations when you downloaded a program from the Internet (such programs are usually free) installed it, and after that you began to notice that more ads appear on sites, sites open by themselves, the home page in the browser has changed, and the like. After removing the installed program, the situation does not change. It's all about the other programs installed with the main program. I had a case when an acquaintance opened advertising windows in the browser by itself, in addition to this, advertising blocks were added on many pages. For example, additional advertising blocks have appeared on the Yandex page, while if you open the Yandex page on another computer, there is nothing like this. Checking with an antivirus yielded nothing, and besides, it had a paid, regularly updated antivirus. After I went to see the installed programs, I was confused by several programs that seemed suspicious to me - I deleted them and the banners disappeared. Those. Apparently, an acquaintance, installed some kind of program from the Internet and in parallel, a program that inserts ad blocks on a web page was also installed. So be careful when installing and downloading programs from the Internet.

So it will not be superfluous to check which programs you have installed and uninstall unnecessary ones. To do this, click "Start" - "Control Panel"

A list of all installed programs will open, you need to select those that you did not install or that cause you suspicion, for example, an unfamiliar program name or an empty Publisher field.

In this article, I have described all the basic steps to clean your laptop / computer from viruses. He also gave some advice on how not to pick them up and how to protect yourself from them. I hope the information was useful for you and you will not encounter viruses (well, or you will, but extremely rarely).