• W32.Korgo.F aka Korgo.F - Padobot: uses a buffer overrun in the Local Security Authority Subsystem Service (LSASS).
  
  Check out the Latest Worms (MS) page.
  
  Related Microsoft patches and information available at:
  Security Update for Microsoft Windows (835732)

F-Secure
McAfee
Symantec
Trend Micro