11/26: Mal/Conficker-A Worm Spreads by Exploiting Windows Flaw

Mal/Conficker-A is a worm for the Windows platform.

Mal/Conficker-A spreads over the network by exploiting the MS08-067 Windows server service vulnerability.

It will attempt to copy itself to the following location:
(System)\(random letters).dll

More information can be found at this Sophos page.