October 22, 2008

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SAVE PC FROM PENDRIVES

  • October 22, 2008
  • anand
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  • How to backup your important data when your pen drive is infected with a virus ?


    a. Insert your pen drive into the usb port, if it detects your drive you will see it in my computer. b. Now don’t double click on your drive, rather open the pen drive contents by typing the drive letter. For Example: type g: and press enter if your pen drive is shown as new g drive under my computer. c. Copy your important files from your pen drive close the window and format your pen drive after then.



    If you are still suspicious about the existence virus files on your pen drive, you can remove virus from your pen drive through command prompt by the method here.

    One of the ways by which a virus can infect your PC is through USB/Pen drives. Common viruses such as ’Ravmon’ , ‘New Folder.exe’, ‘Orkut is banned’ etc are spreading through USB drives. Most anti virus programs are unable to detect them and even if they do, in most cases they are unable to delete the file, only quarantine it. Here are the things which you can do if you want to remove such viruses from your USB drives Whenever you plug a USB drive in your system, a window will appear .

    Don’t click on Ok , just choose ‘Cancel’. Open the Command Prompt by typing ‘cmd‘ in the run box. In the command prompt type the drive letter: and press enter . Now type dir /w/a and press enter. This will display a list of the files in the pen drive. Check whether the following files are there or not • Autorun.inf • Ravmon.exe • New Folder.exe • svchost.exe • 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 filename. 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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