Virus I can not remove?

Scan type:  Realtime Protection Scan
Event:  Virus Found!
Virus name: Trojan.Vundo
File:  C:\WINDOWS\system32\jrfjbbpk.dll
Location:  C:\WINDOWS\system32
Computer:  DREVIL
User:  SYSTEM
Action taken:  Clean failed : Quarantine failed : Access denied
Date found: Tuesday, June 09, 2009  6:46:59 AM

 

I have run the Trojan Vundo removeal but I am still getting this every day all day.  I can not delete or remove the file.  I have searched the internet to see if anyone has this dll file with no luck.  anyone know how to remove this one. I have also done hijackthis.