Sirefef.an Need help

windows keeps popping up saying it stopped a communication from win32/sirefef.an and i click remove and restart but it keeps coming back. I looked for it in the registry as other sites have said and its not hiding in any of the common areas.

follow the guide and attach (not copy and paste) the requested logs
http://forum.avast.com/index.php?topic=53253.0

Malwarebytes Anti-Malware (Trial) 1.61.0.1400
www.malwarebytes.org

Database version: v2012.07.08.06

Windows 7 Service Pack 1 x64 NTFS
Internet Explorer 9.0.8112.16421
Mase :: MASE-PC [administrator]

Protection: Enabled

7/9/2012 12:23:02 PM
mbam-log-2012-07-09 (12-23-02).txt

Scan type: Quick scan
Scan options enabled: Memory | Startup | Registry | File System | Heuristics/Extra | Heuristics/Shuriken | PUP | PUM
Scan options disabled: P2P
Objects scanned: 238967
Time elapsed: 4 minute(s), 10 second(s)

Memory Processes Detected: 0
(No malicious items detected)

Memory Modules Detected: 0
(No malicious items detected)

Registry Keys Detected: 0
(No malicious items detected)

Registry Values Detected: 0
(No malicious items detected)

Registry Data Items Detected: 0
(No malicious items detected)

Folders Detected: 0
(No malicious items detected)

Files Detected: 0
(No malicious items detected)

(end)

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