This a simple batch code ..lik virus bt not!(jst fun:))..
Use this Code & create a virus Msg. & mail 2 ur frndz.While Dble clicking -it open a message Cycle in your friend's computer .Can't close dis pgm..Only way 2 restart PC.!~

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Code:-
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@ECHO off
:Begin
msg * Hi
msg * Welcome
msg * This is a Virus Pgm.!
msg * Click cancel to close the pgm or OK to format your system!
msg * OK..Your System Formated right Now.
msg * Format Windows Drive.
GOTO BEGIN

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Go Start--->RUN--> Type Notepad

Exactly Copy paste the above method In Note pad and save it as a Batch File.

In Notepad --Cick File --Save as--->virus.bat

save as type-----> all files

Imp: Save it as .Bat file .. (not save .txt)

~!HAV fun~