Here is a guide to delete Flashback trojan completely from your Mac.
Probably one of the biggest Mac security incidents of all time is caused by Flashback Trojan. If you didn’t knew yet, this trojan is residing in over 600,000 Macs — iMac, MacBook Pro and Air — and the numbers seem to gradually increase as we speak.
Even if you believe your Mac is secure and free from any kind of malwares or viruses, you may still want to read this article as it can benefit you in many ways, I believe.
Find out if your Mac is infected:
You can input any known command in your Mac Terminal, and if the Terminal spits out irrelevant data, then you know your Mac is infected with Flashback Trojan, unfortunately.
There’s another tool called Anti Flashback Trojan that you can use for checking your Mac for trojans.
While you can always use an antivirus program to scan and delete trojans, you don’t have to do that just to remove Flashback trojan. There are easier ways to secure your computer:
Mac OS Tiger (10.4) and Leopard (10.5) users, it is recommend to keep Java applets turned off in your Safari browser. Another better option would be to update to Lion, if possible.