Some info here in this Google search …

http://g.s.scandoo.com/search?hl=en&meta=on&q=win32+DCOM-F+virus

One of the results pages suggested this …

Manual Exploit.Win32.DCom.f removal:
Kill process rpc_kotic.exe
Delete file rpc_kotic.exe

Spybot - Search & Destroy should also be able to remove this trojan exploit.