Windows 7 Tip: 
Conficker, also known as Downup, Downadup and Kido, is a computer worm that surfaced in October 2008 and targets the Microsoft Windows operating system. The latest version of the virus has been programmed to instruct infected computers to carry out a particular act on April 1, although internet experts have been unable to determine what.
The virus buries itself deep inside a PC’s Windows operating system, from where it can be used by hackers to steal users’ passwords and personal information, including bank details.
The Sophos Conficker cleanup utility will allow you to detect, isolate and, then, of course, remove the Conficker virus from a single workstation. There are some more tools are available on the net Which Will help you to remove Conficker Virus.They are ESET Conficker Removal Tool, Downadup from F-Secure or KidoKiller by Kaspersky.
Thanks for the warning.
yeah and I hope its as useful as it claims to be