Koobface Gang That Spread Worm on Facebook Operates in the Open

The Koobface gang, a Russian-based group, has grown wealthy by apparently spreading a computer worm on Facebook and other social networks and cashing in on various schemes.

Source:
http://www.nytimes.com/2012/01/17/technology/koobface-gang-that-used-facebook-to-spread-worm-operates-in-the-open.html?pagewanted=all