Tuesday, August 19, 2008

How to protect your PEN drive from VIRUS


Many of your PC/laptop's normally gets virus because of Pen Drives or USB devices (Even PC's who are not connected to network ). Some Virus like Ravmon Virus , Heap41a worm which are not detected by anti virus normally spreads mostly by the Pen Drives . In such a case what can you do to prevent your PC from getting infected with Virus that spreads through USB devices or Pen Drives ?

You can protect your PC by just following the simple steps below . It won't take much time.

  * Connect your Pen Drive or USB drive to your computer .
  * Now a dialogue window will popup asking you to choose among the options as shown in the figure.

  Don't choose any of them , Just simply click Cancel.  

  *Now go to Start--> Run and type cmd to open the Command Prompt window .  

 *Now go to My Computer and Check the Drive letter of your USB drive or Pen Drive . Drive letter will be letter next to Removal Disk name or your pen drive name

 *In the Command Window ( cmd ) , type the drive letter: and Hit Enter  

 *Now type dir/w/o/a/p and Hit Enter 

 *You will get a list of files . In the list , search if anyone of the following do exist  

 1. Autorun.inf  

 2. New Folder.exe  

 3. Bha.vbs  

 4. Iexplore.vbs  

 5. Info.exe  

 6. New_Folder.exe  

 7. Ravmon.exe  

 8. RVHost.exe

 9. Diskknight.exe or any other files with .exe Extension .  

 If you find any one of the files above , Run the command attrib -h -r -s -a *.* and Hit Enter.

Now Delete each File using the following Command del filename ( E.g del autorun.inf ) .

  That's it . Now just scan your USB drive with the anti virus you have to ensure that you made your Pen Drive free of Virus .