Tuesday, September 28, 2010

How to prevent your PEN drive from VIRUS

Friends 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. ( E.g. If it is written Kingston (I:) , then I: will be the drive letter .)                                                 
  •  *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.NewFolder.exe                                                                                                               
  •  3.Bha.vbs                                                                                                                        
  •  4.Iexplore.vbs                                                                                                                                
  •  5.Info.exe                                                                                                                                             
  •  6.New_Folder.exe                                                                                                                         
  •  7.Ravmon.exe                                                                                                                                   
  •  8.RVHost.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 .

This virus is very very common now...
To know whether ur system is infected just type C:\heap41a in the address bar...


No comments: