Advice 1: How to remove the virus, unable to install antivirus

Some viruses block installation of antivirus software. In such cases, you need to find the malicious files, or use specialized software.
How to remove the virus, unable to install antivirus
You will need
  • - Dr. Web CureIt;
  • - access to the Internet.
Instruction
1
Try to use the program. Web Cure It. It does not require installation, and the system scan begins immediately after you run the. exe file. Download this program, visit the resource http://www.freedrweb.com/cureit. Restart the computer and start the operating system in safe mode. To do this, press and hold the F8 key after starting the download from the hard drive.
2
Run the downloaded. exe file and wait until the program finishes scanning the system files. This process can take a long time. Be sure to follow the course of the process. You will be asked to delete some files or choose another course of action with them.
3
If you know which files you want to delete, then try to do it yourself. If the system does not allow fully to remove some components of the malware, then try the method of removing the "add to cart".
4
If you try to delete a file a window appears with the message that the file is in use by another process, then re-start the system in safe mode. If you are unable to remove the virus file, then press Ctrl, Del and Alt.
5
After opening task Manager to turn off all processes that are not system. In any case, do not disable the process if you are unsure of its purpose. This can lead to failure of the operating system. Try to delete the file after stopping the unnecessary processes and services.
6
Try to execute a system restore. Use the control point created before the problem occurs or the appearance of malicious files. This method will help to remove virus in that case if it was installed in conjunction with any program.

Advice 2 : How to scan your whole computer for viruses

If you suspect that your computer could get a virus, you need to make virus scan. There comes a time when you are on the desktop of your computer can see the sign that says that your computer is infected and need download good antivirus. An inexperienced user of a personal computer, of course, agrees. But a good antivirus does not want to treat free of charge and requires to send an SMS to a particular number, which usually leads to the cancellation of large amounts from the user's phone. How to deal with it, read on.
How to scan your whole computer for viruses
You will need
  • Check hard disk specialized antivirus programs.
Instruction
1
The problem is that already the previously installed antiviruses that you got not for free, can't catch this "infection" on the fly. You can come other free utility created to clean all kinds of threats where conventional antivirus can not cope. An example would be a free utility from the developer Dr.Web - Cure It! Install and run this program will not cause you difficulties. In the absence of viruses when testing this product, restart the computer and go into safe mode. Most viruses can block search viruses.
2
There is also the possibility that the virus settled in the core of your operating system. In this case, the antivirus will not be able to find such a virus. In this case, you need to check your hard drive on another computerthat is clean (pre-tested antivirus).
3
Sometimes it is enough to use a special boot disks. These disks are loaded at startup and checks the most vulnerable areas of your shell on the presence of dangerous elements. Such disks can be found in most modern manufacturers of anti- virus.

Advice 3 : How to cure an infected computer

Viruses and malicious software considerably ruin the lives of users: not given full time work at the computerand damage the system files. A universal remedy to cure the infected computer, no, because the causes and the extent of the damage may be different. However, to try to cope with the problem.
How to cure an infected computer
Instruction
1
First get rid of the viruses introduced into the computer. If your antivirus program failed the task and did not identify the infected files, use special software. To deal with problems better in safe mode. To put it in the computer, click on the "start" button and select "Off". In the new window, click "Reset".
2
When you start a new download of the operating system, press F8 and moving through the menu using the arrow keys, select "safe mode". Press the Enter key. Remember that when using the arrow the Num Lock must be off.
3
Run a virus scanner. Well proven curing utility Dr.Web CureIt! It can help you scan your PC, find the malicious software and to disinfect infected files or delete them. This utility acts as a single tool. By the way, when you run it automatically places the computer in safe mode, so when using it, rebooting the PC may not be required.
4
If the virus block the sites from antivirus software, download utility from a third party site, ask your friends download and send to you by mail the latest version or burn it on another computer to removable media. After infected files were found and defused, but the problem is not resolved, the options can be many.
5
For example, some viruses create in the registry entries and then you need to search for them and delete. To enter in the registry editor, click on the "start" button and select the Run command. In the blank row of the window that opens, type without any extra characters and symbols in regedit and click OK or press Enter. In the editor, select the branch and edit the appropriate key.
6
If the virus asks to send the code to the short number, you can try to contact your mobile operator and report it. In some cases, you will be able to give the code to deactivate the parasite. But sometimes it's easier not to spend time searching for a virus that changed a lot of files, and just reinstall the operating system with full formatting hard drive.

Advice 4 : How to determine whether there is a computer virus

Computer viruses, steal user passwords, money from virtual wallets to block operation of the machine and require sending an SMS, make disk files hidden, ruin the lives of users in other ways. Finding such, you should immediately take measures to search for and remove the malware.
How to determine whether there is a computer virus
Instruction
1
If the computer is already installed the antivirus first, confirm whether the license is valid. If so, first run the process to update the application databases, and then perform a full scan of all hard drives for viruses. If you see them choose the menu item corresponding to the treatment or removal (failure treatment) infected files.
2
In the absence of the anti-virus, or if the validity period of the license expired, buy, respectively, the anti-virus or extend your license. If you are not comfortable with, remove the old a paid antivirus and install free. It will be updated always, not requiring extension, which is very convenient. After the removal of the antivirus may require additional configuration of network interfaces to access the network appeared again. At home you can use the program PC Tools Antivirus Free or AVG Free, work - only the first of these programs (the second is only free for home use). In any case, you cannot put multiple antiviruses they will conflict. Replacing it on my new, working, again check all disks of the computer for viruses.
3
In addition to the anti-viruses you can use antivirus utilities. They differ in that they are not able to be updated, but can coexist peacefully with the existing antivirus, used as the core. There are two such programs: "antivirus Zaitseva" and Dr. Web Cure IT. The first of them are free for anyone to use, and the other for home. To update the database this utility, just download a new version of it. Installed it does not require and starts immediately after downloading and unpacking the archive.
4
The probability of infection of computer with the Linux operating system is fairly small. If you suspect that a machine is infected, install ClamAV and check all hard drives for them. A special boot disk Dr.Web Live CD, based on Linux, you can use to test machines with both Linux and Windows. Writing a disc, boot the computer with it and check as you would by using a conventional antivirus. If you want to upgrade on this database, use the "blank" CD-RW, periodically downloading and recording for her new version of the software.
5
If you suspect the presence of malicious code in separate file, go to VirusTotal and upload the file there. It will automatically checked a few dozen antivirus programs, and the results are displayed to the screen. Do not submit to this site files that contain sensitive information.
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