I'll tell you how bad it's gotten.
Last year someone posted a message on the Battleon.com forums (no longer there, there's a thread on it in the Court Records forums though) about a virus they caught. Miley.exe.
As soon as they started windows her rip off of "I wear my sunglasses at night" by Corey Hart started playing on repeat, and they couldn't shut it off, or mute the sound because it locked out the sound pannel! And if they tried shutting it down it restarted.
Somebody needs to be crucified for that one.