Advice 1: How to check the disk for virus

To check a disk on presence of viruses better with the anti-virus program installed in your computer. The options to check online or utilities for one-time checks less preferred. Online scanners require you to grant administrator rights or the installation of ActiveX-components, and to give these rights via the Internet is no less a threat to data security than a virus. And utilities one-time tests by definition are not engaged in constant protection of the computer.
How to check the disk for virus
Instruction
1
If you don't have a resident anti-virus program, the first step should be her choice, downloading and installing. Not necessarily very long and carefully select all the parameters of anti - virus- for reviewing almost any of them, even paid, can be set free for a period from two weeks to one month. In any case, this period you will be quite enough to check all the disks his computer. For example, you can download and install Avira antivirus, although there are also Nod 32, Kaspersky, Panda, Dr Web and others.
2
After installing the antivirus asks to restart the computer - do it. Then open Windows Explorer. This can be done by pressing shortcut keys WIN + E (Russian) or double click the icon "My computer".
3
Hover the mouse over the icon diskand you had to check, and click the right-mouse button. In the popup context menu, click check it for viruses. Depending on the type you have installed antivirus, the wording of this item may vary - in the case of Avira the inscription would be: "scan selected files with AntiVir". Antivirus will check the diskand if the suspicious files are detected, it will prompt you to select the options with them.
4
You can do without Windows Explorer, open the antivirus by double-clicking its icon in the system tray of your desktop. The anti-virus window, locate the option of checking local disks. From Avira to do this in the left pane to expand the section "Local protection", then in the right pane, click the bottom option ("custom scan"). The result will reveal a list of disks to your PC with checkboxes next to each of them – check the check boxes for. Then click on any of them, right-click and select the context menu item "Run test" or just press the hotkey F3.

Advice 2: How to detect virus without antivirus

Sometimes there are situations where antivirus program can't find the infected file. Specially for such situations developed utilities that help you to quickly scan your computer.
How to detect virus without antivirus
You will need
  • Administrator account.
Instruction
1
A lot depends on how manifests itself to a certain virus. If your computer has become very slow to work, then simultaneously press the Ctrl, Alt and Delete and select the menu item "task Manager". Go to the tab "Processes" and look through all the running programs and applications. Usually viral utilities occupy a large part of RAM or CPU.
2
Click with the right mouse button on the process-the virus and select "Open file location". Now select the process in task Manager and press Delete. Confirm stops the specified application. Delete the virus files that have been specified by the system.
3
If we are talking about viral banner ad, then first restart the computer. After starting the boot, press F8 and hold it. After a while you will see a new menu. Select "Windows Safe mode" and wait for the specified mode.
4
Click on "My computer". To do this, simultaneously press "start" and E. Navigate to the Windows folder located on the system partition of the hard drive. Open the System32 directory. Find the. dll files, which contain a combination of letters lib. Delete all the found files.
5
Perform an additional scan of the computer operating system. Press "start" and R. Type the command mrt.exe in the open box and press Enter. Wait for tools, malware removal Windows.
6
Select the scan mode to "Full" and click "Next". A running process can take several hours, depending on power of your computer and the size of the disk. Enter the command mrt.exe /Q to start the utility in the background. Delete found files, if the program does not perform this action yourself.
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