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C:\Program Files\pcreq\service.exe

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I am posting this question at the request of my sister who is a subscriber to Malwarebytes Anti-Malware Pro.


Her laptop is being plagued by a PUP.Optional.se... that comes up every time she runs a full scan with Malwarebytes Anti-Malware.


Even after removing the selected infection and rebooting her laptop if Malwarebytes Anti-Malware is run again immediately after the reboot the same infection appears: C:\Program Files\pcreq\service.exe


The mbam log reads:


Malwarebytes Anti-Malware (PRO)



Database version: v2014.05.27.06


Windows Vista Service Pack 2 x64 NTFS

Internet Explorer 9.0.8112.16421

lafsa :: LAFSA-PC [administrator]


Protection: Enabled


5/27/2014 5:16:31 PM

mbam-log-2014-05-27 (17-16-31).txt


Scan type: Full scan (C:\|)

Scan options enabled: Memory | Startup | Registry | File System | Heuristics/Extra | Heuristics/Shuriken | PUP | PUM

Scan options disabled: P2P

Objects scanned: 29036

Time elapsed: 2 minute(s), 41 second(s) [aborted]


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: 1

C:\Program Files\pcreg\service.exe (PUP.Optional.SearchSafer) -> Quarantined and deleted successfully.




What can be done to resolve this pesky problem?


Thank you, 



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Welcome back.

Some PUPs can be a real annoyance and a bit stubborn to remove.


We can't work on this sort of thing in this area of the forum -- it's handled in a special area.


So, for expert assistance, I suggest that you please follow the advice in this pinned topic: Available Assistance For Possibly Infected Computers.
A malware analyst will assist you with looking into the issue.

>>You mentioned that you are posting on behalf of a family member -- needless to say, whoever opens the topic in the malware removal section really ought to have physical possession/control of the computer in question; otherwise, it make cleanup quite a bit more difficult and time-consuming.



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