A new virus specific to Mac has been discovered by Russian security firm Doctor Web. Named Trojan.Yontoo.1, the virus injects ads into webpages on the infected machine. The malware works by installing an adware plugin into any of the popular browsers then overlays an advertisement in key locations on webpages. Doctor Web says that this trojan is just another piece of a large adware puzzle that has been infecting OS X for some time now. The virus can be caught in several different ways, with the most popular method being the use of movie trailer pages in which...