A Mac Trojan now in circulation attempts to disable OS X's built-in anti-malware protection, known as XProtect, according to security firm F-Secure. Identified with the label OSX/Flashback.C, the Trojan first decrypts the paths of XProtectUpdater files, then unloads the XProtectUpdater daemon. To finish the job, the malware then overwrites the XProtectUpdater files with a blank character.
