http://news.cnet.com/8301-27076_3-57410050-248/mac-flashback-malware-what-it-is-and-how-to-get-rid-of-it-faq/ Make sure your Macbook isn't infected! If you have been infected, here are the steps to get rid of it: http://www.f-secure.com/v-descs/trojan-downloader_osx_flashback_i.shtml
Saw this a few hours back. Already made sure my mac and my dads were safe. Looking by the removal instructions it seems you only have to remove 2 files
A nice guide to check: http://lifehacker.com/5899416/mac-flashback-trojan-find-out-if-youre-one-of-the-600000-infected