OSX.MusMinim RAT detected

MusMinum is a Mac version of a Remote Access Tool which has the ability to open up a backdoor on your computer.

In its current state the threat is quite basic and even warns you in flawed English if you become infected.
Furthermore, if the threat is running then it is displayed in the list of processes as "BlackHole" and can often appear on disk in a folder of the same name.

MusMinim

The trojan should pose little risk to Mac users at present, but we are continuing to monitor the situation closely as all indications are that the author is developing a more sophisticated variant.

As the threat is likely to appear as some kind of trojan on the internet, our recommendations as always is to be vigilant when downloading any application from the internet and only visit well-known reputable sites.