This MacWorld article “What you need to know about the Flashback trojan” provides an overview of this malware and the associated risk.
Flashback is the name for a malicious software program discovered in September 2011 that tried to trick users into installing it by masquerading as an installer for Adobe Flash.
Cnet’s MacFixIt followed up with several articles on this malware, discussing how to check your computer and what to do next:
“Web tool checks if your Mac is Flashback-free”
“How to reinstall OS X after malware infection”
“How to remove the Flashback malware from OS X”
“Mac Flashback malware: What it is and how to get rid of it (FAQ)”
PC World noted today that “Antivirus vendor Kaspersky Lab has launched a free removal tool for the Flashback Mac OS X malware and a website where users can check whether their computers are infected with it.”
MacFixit posted some more articles about Flashback malware:
“Flashback malware removal tool roundup” – In the past week, a number of reputable companies have released tools to automatically remove the Flashback malware from OS X systems.
“A look at Apple’s Flashback removal tool” – Apple’s removal tool for Flashback is similar to its previous one for dealing with the MacDefender infection.