How to delete quarantine files via command line for KAM (Malwarebytes)
Running the following command will delete the quarantine files in the "Quarantine" tab of the Malwarebytes UI.
C:\Program Files (x86)\Malwarebytes' Anti-Malware\ - for 64 bit machines
C:\Program Files\Malwarebytes' Anti-Malware\ - for 32 bit machines
mbamapi /quarantine -delete all