PUP.PCVARK is Malwarebytes' generic detection name for a family of so-called "system optimizers" or "junk-cleaners" targeting MacOS systems.
PUP.PCVARK comes in many forms, but the majority are so-called system optimizers that try to convince users that their system has problems which their software can solve. But only if you buy the software. PUP.PCVARK is usually installed by the users themselves under these false pretences.
Download and install the latest version of Malwarebytes for Mac.
Click the “Scan Now” button to perform a system scan.
If threats are detected during the scan, a count of detected threats is displayed. More detailed threat information is displayed after the scan completes.
Click “Confirm” to move the detected threats to Quarantaine.
If a restart is required to complete remediation of threats detected during a scan, you will be notified. When a restart is required, please remember to save all work before clicking “Restart”.
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