Conficker: How to prevent it and remove it
The Conficker/Downadup worm, which first surfaced in November 2008, has infected thouands of business networks. Unpatched computers are still at risk of infection, as it spreads by exploiting these computers, weak passwords and USB storage devices.
Sophos Conficker clean-up tool – This powerful solution for eliminating Conficker infections enables the detection, isolation, and removal of the Conficker virus on your network.
Download: Sophos Conficker clean-up tool 1.3