Advice 1: How to find virus without antivirus

To use a personal computer without anti -virus programs is dangerous. But at the same time none of the antivirus can not guarantee that the computer will be fully protected from malicious software. Still can detect the virus without antivirus.
How to find virus without antivirus
You will need
  • Personal computer.
Instruction
1
The presence of the virus can testify first obvious signs. For example, the screen POPs up a strange message or open unsolicited web page. With clear manifestations of the presence of the virus you may encounter if the computer settled a Trojan program.
2
Besides that your PC is infected, you can guess at the hidden signs. That is, the viruses themselves are inconspicuous, and to know of their presence can, if you look in the registry.
3
In addition, there is indirect evidence for the presence of malicious software. To this category of "symptoms" can be attributed to a sudden freeze a running program, you see the message unknown error and other manifestations.
4
To find virus without antivirus, press the key combination Shift+Ctrl+Esc or Alt+Ctrl+Delete: launches task Manager (there are four columns). View the contents of the first column – "Name of the review": here you will see information about the current suspicious or unsuspicious processes. Every PC user has his own set of basic processes, therefore, ensure that additional transactions not questionable.
5
Often viruses enter the AutoPlay. To find the startup file, click "Start," then click "All programs" and select "startup". To find the malware also possible with the help of software of Ccleaner or Auslogics.
6
Open the system utility msconfig.exe: to do this, click start, then click Run, and then write the name of the launched application. There is also a Services tab, which are those system components that start when you turn on your personal computer. This list can be and malware.
Note
Viruses are bad jokes: be sure to install antivirus.
Useful advice
Before you delete a file, make sure that he is indeed questionable.

Advice 2: How to find viruses in registry

There are times when fully scanning the system for viruses and removing them after the computer is restarted they appear again. Any media to your PC is not connected and the Internet connection was also not available. The question arises, whence could come from this virus? Most likely, he can work with the registry of the operating system. In this case, the normal scanning of the computer will not be enough. Will require additional methods which will solve the problem.
How to find viruses in registry
You will need
  • Computer, the antivirus program ESET NOD32
Instruction
1
Close the registry of a virus can not be. But in the registry settings which are responsible for application startup, there may be a link to malware or a virus. Before starting the cleaning process, you must set additional parameters that will help to detect and solve the problem.
2
Further removal instructions malicious links and registry keys will be given on the example of the antivirus program ESET NOD32. Menu antivirus. This can be done simply by double-clicking the mouse on the program icon on the taskbar of the operating system. In the program menu, select "Scan". The window displays the possible scanning options of the computer from which select "Custom scan".
3
The top line is called "scan Profile". Click on the arrow near the row. Opens the name of the scanning profile. Among them select "smart scan". This method will allow more details to check unknown files.
4
The following line is called "Objects scan". Select all the objects that will be in this window, even including RAM and virtual drives. Below in this window there is also the option "settings". Click on it with the left mouse button and in the appeared window select the tab "Methods". In the next window check all the items ticked, and then click OK.
5
Next, select the tab "Cleaning". Bar appears with which you can specify the level of cleaning. Move the slider to the right to line "Thorough cleaning". Then again press OK.
6
Now that all the parameters of the antivirus programs are set, click on "Scan". Wait until the process is complete. If antivirus will be detected potentially harmful software or links, they will be removed automatically. After the scan is complete, restart the computer.

Advice 3: 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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