http://news.zdnet.com/2100-1009_22-5580111.html

Another variant of the MyDoom worm, which spreads by sending copies of itself using its own SMTP engine and harvesting potential e-mail targets from search engines such as Google and Yahoo, was spreading quickly on Thursday.
Symantec's write up

http://www.symantec.com/avcenter/ven...oom.ax@mm.html