In one simple notification, I have read two different articles pertaining to Trojan horses targeting Macs. The first article involves a phony Flash Player installer, while the second discusses a Trojan using an old double extension trick.

Phony Flash Player Installer Targets Mac Users
A Trojan horse program masquerading as a Flash Player installer has been detected in the wild. The malware, which targets Mac users, does not exploit a vulnerability but relies on users who do not have Flash installed clicking on the offered link. The Trojan disables some security software and installs a dynamic loader library with auto-launch that injects code into applications the user runs. It also sends information about the infected computer to a remote server.

Read the full article posted on CNET.com:    Another OS X Trojan Imitates Adobe Flash Installer

Trojan Uses Double Extension Trick to Get Malware on Macs
A Trojan horse program that targets Mac computers has been detected. The malware disguises itself as a PDF document. It uses a trick employed by writers of malware for Windows systems years ago – the double extension, which makes it appear to be a PDF file rather than an executable. The malware exploits no flaw in Mac OS X; it just attempts to trick users into allowing it to run on their machines.

Read the full article posted on ComputerWorld.com:    New Mac Malware Poses as PDF Doc