These are a little collection of some java programs that perry and I made that you can use to troll your friends with. They may be chinese or need fixing, if so just make a pull request. 
You can skid and paste these into whatever you want I do not care.
- Bsod - Causes a blue screen of death
- Shutdown - Shut downs the users computer
- Window - Keeps displaying a window on the users screen even when they close it
- LinkOpen - Opens a link in their web browser forever
Try not to use this for actual malicious purposes please :^)