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Quarantining is different from deleting: http://antivirus.about.com/b/2007/03/11/clean-quarantine-or-delete.htm

As Malwarebytes Anti-Malware quarantined everything it found, there is no need for further action. Quarantining these files isolates them from your system same way an antivirus program does. I would not delete any of these files until the malware expert has a chance to look your logs over and he explicitly states it is ok to delete them.

Malwarebytes policy on PUP’s: https://blog.malwarebytes.org/news/2013/07/malwarebytes-adopts-aggressive-pup-policy/

Wait for your malware removal expert to assist.