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Short bio

OSX.DubRobber (aka XCSSET) is Malwarebytes’ detection name for a versatile Trojan dropper that targets macOS systems.


OSX.DubRobber can be found in a hidden .xcassets folder. It downloads and installs other malware so the user may experience an ununsually slow system.


Source and type of infection

OSX.DubRobber is a Trojan dropper that is almost entirely written in AppleScript, and downloads components on demand. OSX.DubRobber installs a very powerful backdoor, including all the usual backdoor functionalities, plus capabilities for grabbing data from apps like Telegram and Evernote, ransomware-like encryption and decryption, and more.


Malwarebytes for Mac detects and removes OSX.DubRobber.


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”.