This little batch file will pretend that your computer has found a virus. Then go through a series of steps before saying "Windows needs to shutdown" and then closes all programs and logs off ; )
It does nothing except close your programs, log you off and pop up 2 messages, completely safe ; )
It also auto picks up your username and inserts it into where the virus has been found!
This can be autorun off a USB aswell with the second file I have uploaded, or you can just write it yourself.