In what’s being called a record for the single biggest viral infection, a hack may have potentially delivered a variant of the Koobface worm to visitors of sites that had the “Small Business Success Index” survey widget installed. This included every parked domain hosted by registrar Network Solutions. The company has since removed the offending widget, it said.

Web searches for the code indicate that for the most part, the survey only appeared there — but the size of this infection is stunning: potentially as many as five million websites. Researchers at Armorize say the infected widget would be installable on Blogger, Linkedin, Twitter and Facebook. I guess the best advice here is that if you’ve recently ended up on a parked domain, scan your computer now for viruses.

 
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