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Malware shutting down computer

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Last Modified: 2013-11-22
Ok here is the scoop.  I have a client (Windows 7, 4 gig ram) who got a pop-up going to CNN.  It looked like a scary Windows warning and they clicked on it before they had time to think.  It started "Scanning" and they realized what they had done. They immediately did a hard shutdown of their computer hoping to stop the problem.  Well it didn't.  The computer started randomly shutting down about every 3 to 4 hours and not yet when they have been around.

I did a clean of the computer with Combofix and the ESET online scanner.  They seemed to get everything but Combofix took about 20 minutes longer than usual.  On reboot just about every key was "Marked for deletion"  so I could not get to the internet or anything.  I did another reboot and the computer seemed to work fine but it is still rebooting about every 3 or 4 hours and this user still has not seen it happen.

What would you recommend besides a full re-install to fix the problem?  I will be taking the computer home for a few days repair come Wednesday and would like to know if it is hopeless to find the issue (saw nothing in windows logs).

Thank you
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