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. New Folder.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 .