Koobface Botnet - New Christmas Theme

Facebook and other users of web 2.0 social networks should be careful and avoid unusual messages or spammed comments on their sites, and a new variant of the Koobface worm is circulating with a Christmas based theme.

The Koobface botnet, one of the most efficient social engineering driven botnets, is entering the Xmas season with a newly introduced template spoofing a YouTube video page, in between enticing the visitor into installing a bogus Adobe Flash Player Update (New Koobface campaign spoofs Adobe’s Flash updater), which remains one of the most popular social engineering tactics used by the botnet master

Full report here:
http://blogs.zdnet.com/security/?p=5001