http://downloadsquad.switched.com/2011/03/18/microsoft-and-feds-shuts-down-spam-behemoth-rustock-reduces-worldwide-spam/

"Microsoft shuts down spam behemoth Rustock, reduces worldwide spam by 39%"

there's also a discussion going on here:

http://reddit.com/comments/g6fg7


Best,

Andrew Langdell