There's a new worm ciculating, called Cisum.A. Once your computer is infected with it, it pops open a window with the words, "YOU ARE AND IDIOT!" It then plays and MP3 file with the same words repeated vocally every five seconds. Geek's got more on this nasty.
Cisum.A, the Comic Insult Worm?
Got a chuckle off of Geek.com this morning, though I suppose it's really not funny in the long run.