Malwarebytes found two entries
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Registry Keys Infected:
HKEY_USERS\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\{494e6cec-7483-a4ee-0938-895519a84bc7} (Backdoor.Bot) -> No action taken.
HKEY_USERS\S-1-5-18\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\{494e6cec-7483-a4ee-0938-895519a84bc7} (Backdoor.Bot) -> No action taken.
-------------------------------------

After taking action here is the log from Malwarebytes
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Malwarebytes' Anti-Malware 1.42
Database version: 3454
Windows 5.1.2600 Service Pack 2
Internet Explorer 7.0.5730.13

30/12/2009 15:22:58
mbam-log-2009-12-30 (15-22-58).txt

Scan type: Quick Scan
Objects scanned: 190482
Time elapsed: 14 minute(s), 8 second(s)

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

Memory Processes Infected:
(No malicious items detected)

Memory Modules Infected:
(No malicious items detected)

Registry Keys Infected:
(No malicious items detected)

Registry Values Infected:
(No malicious items detected)

Registry Data Items Infected:
(No malicious items detected)

Folders Infected:
(No malicious items detected)

Files Infected:
(No malicious items detected)
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