http://news.cnet.com/8301-27076_3-57410050-248/mac-flashback-malware-what-it-is-and-how-to-get-rid-of-it-faq/ Related articles More Than 600,000 Macs Infected With Flashback Malware [REPORT] (mashable.com) Flashback trojan reportedly controls half a million Macs and counting (arstechnica.com)