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Short bio

PUP.Systweak is Malwarebytes’ generic detection name for a family of potentially unwanted programs (PUPs) published by Systweak Software.

systweak mac apps

Type and source of infection

PUP.Systweak can reach user systems via bundlers or users may have downloaded it from their website.


Malwarebytes for Mac detects and removes PUP.Systweak.


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

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”.

Associated threats

Another member of this family is detected as PUP.TuneUpMyMac.

The same family also exists for Windows systems: PUP.Optional.Systweak