detection icon

Short bio

PUP.MacShiny is Malwarebytes’ detection name for a system optimizer aimed at MacOS systems.

Type and source of infection

PUP.MacShiny is a so-called system optimizer. These system optimizers try to convince users that their system has problems which their software can solve. But only if you buy the software. PUP.MacShiny is usually installed by users themselves under false pretences or due to aggressive advertizing.

MacShiny junk cleaner


Malwarebytes for Mac detects and removes PUP.MacShiny.


Malwarebytes for Mac will detect and remove the components of this malware.

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”.