"Worm:Win32/Conficker.B is a new piece of malware targeting a vulnerability in Server Service affecting all supporter versions of Windows, including Windows 7, Windows Vista SP1, and Windows XP SP3. Microsoft published details related to the new malicious code designed to exploit the MS08-067 Critical vulnerability reported in 2008, and patched with an out-of-band security update in October. Essentially, the software giant informed that Worm:Win32/Conficker.B was a variant of the Worm:Win32/Conficker malware, which was initially associated with attacks against MS08-067. "