Updated Conficker targeting Windows 7, Vista and XP SP3

The new version of the worm for which Microsoft has offered $250000, which is capable of infecting all Windows client and server operating systems, including Windows XP SP3, Windows Vista SP1 and Windows 7 Beta, now also comes in the Conficker.B++ or Worm:Win32/Conficker.C flavor, in addition to the existing Worm:Win32/Conficker.A and Worm:Win32/Conficker.B.

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