Virus may affect your PC by Flash or USB or Pen drives. This viruses are the Common Virus you can find in your affect flash drive ’Ravmon’ , ‘New Folder.exe’, ‘Orkut is banned’ etc are spreading through USB drives. Most of the anti virus programs are unable to detect it and even if they do, in most cases they are not able to delete those file, they can do only quarantine. From These tips you can avoid such virus from your Flash Drive.
Whenever you plug-in a USB drive in your system, a pop up window will appear similar to the one shown below,
Don’t click on OK, just choose 'CANCEL'. Open the Command Prompt by typing 'cmd' or 'command' in the run window. In the command prompt type the Flash drive letter:(eg; G:, H:, I:) and press enter . Now type dir /w/a and press enter.
This will display a list of the files in the Flash drive. Check whether the following files are there or not
- Heap41a
- or any other exe file which may be suspicious.
If any of the above files are there, then probably the USB drive is infected. In command prompt type attrib -r -a -s -h *.* and press enter. This will remove the Read Only, Archive, System and hidden file attribute from all the files.
Now just delete the files using the command del file name. For example del Ravmon.exe. Delete all the files that are suspicious. To be on a safer side, just scan the USB drive with an anti virus program to check whether it is free of virus or not. Now remove the drive and plug it again. In most of the cases, the real culprit turns out to be the 'Autorun.inf' file which mostly gets executed when someone clicks Ok in the dialog window which appears above. Thus the infections can spread
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