Microsoft, a founding member of the Botnet Task Force, announced that a federal judge has granted a temporary restraining order cutting off 277 Internet domains believed to be run by criminals controlling a vast network of infected PCs.
This action has quickly and effectively cut off traffic to Waledac at the “.com” or domain registry level, severing the connection between the command and control centers of the botnet and most of its thousands of zombie computers around the world. Microsoft has since been taking additional technical countermeasures to downgrade much of the remaining peer-to-peer command and control communication within the botnet, and we will continue to work with the security community to mitigate and respond to this botnet.
http://blogs.technet.com/microsoft_blog/archive/2010/02/25/cracking-down-on-botnets.aspx
Computers infected by Waledac still need to be cleaned up. Users running Windows should run Microsoft’s Malicious Software Removal Tool which removes the malware.
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