"Koobface" Worm Resurfaces on Facebook, MySpace

Security experts are warning users of Facebook, MySpace and other social networking communities to be on guard against a new strain of the "Koobface" worm, which spreads by tricking users into responding to a message apparently sent from one of their friends.

The latest version of Koobface arrives as an invitation from a user's friend or contact, inviting the recipient to click on a link and view a video at a counterfeit YouTube site. Visitors are told they need need to install an Adobe Flash plug-in to view the video.

The bogus plug-in instead installs a Trojan horse program that gives Koobface author(s) control over the infected user's computer, according to security firm Trend Micro, which documented the new strain on its blog...

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Posted in: computer security, Cyberthreats, Malware, Security, Spyware, Viruses And Worms