Mar 22, 2013 | CNET News.com
Apple fights Yontoo Trojan with XProtect update
Following news of the new adware Web plug-in Trojan found to be affecting OS X systems, Apple has released an XProtect malware definitions update to protect anyone who stumbles across it.
New 'Yontoo' Adware Trojan Targets Major Browsers on Os X
Russian security firm Doctor Web this week highlighted a new trojan affecting OS X systems and which installs an adware plug-in capable of injecting ads into users' browsing experience.