A new Trojan for Mac OS X disguises itself as an installer for the Adobe Flash Player browser plug-in. The Trojan looks and acts like any typical Mac installer package. Intego says they’ve received only one report of this malware in the wild, so as of right now, this particular Trojan doesn’t appear to have spread very far. To keep it from spreading further, there are a couple steps you can take to keep from becoming its next victim, such as only downloading Flash Player.”]
Source: https://www.csoonline.com/article/2129672/new-mac-trojan-pretends-to-be-flash.html