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Mac virus: What you need to know, how to remove it
Written by Your 5News Team
Created on April 10, 2012 @ 11:21AM
(CBS News) Apple Macintosh users have become vulnerable to the Flashback Trojan malware. An estimated 600,000 Mac users have been infected. We've rounded up some of the best ways to check for the Trojan horse and get rid of it.

What is the Flashback Trojan?

First thing to note is that Flashback is not a technically a virus, it's a Trojan horse. Both are malicious software, but the main difference is that a Trojan horse cannot infect other computers. Trojan horses typically seem like helpful software, but once installed they make your computer vulnerable to data theft or keystroke logging, among other things.

The Flashback Trojan, also called BackDoor.Flashback.39, was initially discovered as a fake Adobe Flash Player plug-in installer in September 2011.

How to check your Mac for the Flashback Trojan

Dr. Web, who originally reported the number of Mac users infected with the virus, has an online tool to check if you have BackDoor.Flashback.39. There's also a program called FlashbackChecker available at GitHub. If you use the anti-virus program VirusBarrier, it should be able to check and remove the Trojan horse.

How to get rid of the Flashback Trojan

There are a few different ways to get rid of the Flashback Trojan. CNET has a step-by-step guide  to remove the malicious software. There's also a removal guide posted by the Finnish security company F-Secure.
 
More Information: CNET
 
To help tackle the recent Flashback malware threat, Apple released a couple of updates for the Java runtime in OS X to bring it up to the latest Java release (version 1.6.0_31), which patches the vulnerability being exploited.  The updates are available for OS X 10.6 and 10.7 systems that have Java installed; you can update your system by using the Software Update utility in the Apple menu. However, so far there have been no updates to patch older versions of OS X such as Tiger and Leopard, which come with Java runtimes installed and therefore are vulnerable to Flashback.  Click Here to read more.

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