I just ran Farbar again as I noticed that the MD5 was fine in the restored state I ran Farbar for you last week. This time there was no unusual MD5.
Farbar Service Scanner
Ran by Dan (administrator) on 17-01-2012 at 21:56:37
Microsoft Windows 7 Starter Service Pack 1 (X86)
Boot Mode: Normal
****************************************************************
Internet Services:
============
Connection Status:
==============
Localhost is accessible.
LAN connected.
Google IP is accessible.
Yahoo IP is accessible.
Windows Firewall:
=============
Firewall Disabled Policy:
==================
File Check:
========
C:\Windows\system32\nsisvc.dll => MD5 is legit
C:\Windows\system32\Drivers\nsiproxy.sys => MD5 is legit
C:\Windows\system32\dhcpcore.dll => MD5 is legit
C:\Windows\system32\Drivers\afd.sys => MD5 is legit
C:\Windows\system32\Drivers\tdx.sys => MD5 is legit
C:\Windows\system32\Drivers\tcpip.sys => MD5 is legit
C:\Windows\system32\dnsrslvr.dll => MD5 is legit
C:\Windows\system32\mpssvc.dll => MD5 is legit
C:\Windows\system32\bfe.dll => MD5 is legit
C:\Windows\system32\Drivers\mpsdrv.sys => MD5 is legit
C:\Windows\system32\svchost.exe => MD5 is legit
C:\Windows\system32\rpcss.dll => MD5 is legit
**** End of log ****
I wish this one hadn't come up clear