Security researchers believe that the creator of the Sobig mass-mailing computer virus won't stop with Sobig.F--the money may be too good. The Sobig viruses, the first of which started spreading in January, are designed to load special software that can make spam anonymous on people's PCs. The tens of thousands of computers infected by the virus can then be used by bulk e-mailers to send unsolicited messages that can't be tracked.
"It is very well planned, very well designed and very well executed," said Mikko Hypponen, director of antivirus research for security company F-Secure. Hypponen believes that the virus' author likely sells the list of compromised PCs to spammers. "For once we have a virus with a very good motive: money."
If this is the case, get ready for more of the same. One more reason to transition your mailing lists to RSS feeds with comment capability....