Don't know if it helps, but here is the Malwarebytes log of what if found on the last scan:
Malwarebytes' Anti-Malware 1.46
www.malwarebytes.org

Database version: 4752

Windows 5.1.2600 Service Pack 2
Internet Explorer 8.0.6001.18702

10/6/2010 8:17:28 PM
mbam-log-2010-10-06 (20-17-28).txt

Scan type: Full scan (C:\|)
Objects scanned: 307510
Time elapsed: 5 hour(s), 36 minute(s), 12 second(s)

Memory Processes Infected: 0
Memory Modules Infected: 0
Registry Keys Infected: 0
Registry Values Infected: 5
Registry Data Items Infected: 1
Folders Infected: 0
Files Infected: 3

Memory Processes Infected:
(No malicious items detected)

Memory Modules Infected:
(No malicious items detected)

Registry Keys Infected:
(No malicious items detected)

Registry Values Infected:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rundll32 (Trojan.FakeAlert.H) -> Quarantined and deleted successfully.
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\shell (Trojan.Agent) -> Quarantined and deleted successfully.
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rundll32 (Trojan.Agent) -> Quarantined and deleted successfully.
HKEY_CURRENT_USER\Software\Microsoft\adver_id (Malware.Trace) -> Quarantined and deleted successfully.
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows\load (Trojan.Agent) -> Quarantined and deleted successfully.

Registry Data Items Infected:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell (Hijack.Shell) -> Bad: (explorer.exe C:\WINDOWS\system32\ntdevice.exe) Good: (Explorer.exe) -> Quarantined and deleted successfully.

Folders Infected:
(No malicious items detected)

Files Infected:
C:\WINDOWS\SYSTEM32\ntdevice.exe (Trojan.FakeAlert.H) -> Delete on reboot.
C:\Documents and Settings\Local Settings\Temp\skahgfhasd.bat (Malware.Trace) -> Quarantined and deleted successfully.
C:\Documents and Settings\userinit.exe (Trojan.Agent) -> Quarantined and deleted successfully.