What Will Go DOWNAD on April 1?  By Trend Micro

Much has been said about the DOWNAD worm (a.k.a. Conficker) and its enigmatic payload that will supposedly be unleashed on April 1st. There are two days to go until the moment of truth and the hype isn’t expected to die down. But online threat history tells us that trigger/activation dates of equally hyped malware have come and gone without much fanfare. Whether or not April 1 will play out to be D-Day indeed, the security industry will be keeping an eye out for any malicious activity—like it should.

What we do know at this point is that the latest variant, which we detect as WORM_DOWNAD.KK (first detected on March 4, 2009), includes an algorithm to generate a list of 50,000 different domains. Five hundred (500) of these will be randomly selected to be contacted by infected PCs beginning April 1, 2009 to receive updated copies, new malware components, or additional functional instructions.
Read more: “What Will Go DOWNAD on April 1?” – http://blog.trendmicro.com/what-will-go-downad-on-april-1/#ixzz0BFGI6FLh