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Short bio

OSX.CDDS is Malwarebytes’ detection name for a backdoor that targets machines running macOS.

Source and type of infection

OSX.CDDS is a full-featured backdoor that allows the threat actor to  control pretty much everything on the affected system. OSX.CDDS has been found to be spread as fake Flash updates, but also as the payload in a watering hole attack using a chain of vulnerabilities.


Malwarebytes for Mac detects and removes OSX.CDDS.


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”.