and things went downhill from there

Very likely, or a related worm. They mutate so fast these days that it's hard to keep track of what letter they are up to.

This one spreads by apparently preying on people who are a) dumb enough to be running IE, and b) dumb enough to click on the attached link. It's a self-infecting worm that's one step removed from that alleged "Newfie Virus" (which is just an email that says, "Please forward this email to all of your friends and then delete the contents of your hard disk. Thanks.").