OSX.Domen
ThreatDown is now the name of the Malwarebytes line of business products. References to Malwarebytes below reflect the amazing technology used to first identify the threat.
Short bio
OSX.Domen is Malwarebytes’ detection name for a Trojan dropper targeting MacOS systems.
Type of infection
OSX.Domen is spread by the social engineering kit Domen which presents fake updates of several kinds to visitors of compromised websites. The updates can be for Flash player, fonts, or the browser.

Trpjan droppers open a way for attack by downloading/decompressing and installing the core malicious modules.
Malicious behavior
Aftermath
Trojan.droppers are intended to introduce more malware onto a system, so if they have been active you can expect to find more malware.
Protection
Malwarebytes for Windows blocks the Domen exploit kit by using Anti-Exploit technology.

Malwarebytes for Mac detects and removes OSX.Domen.
Home remediation
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”.