I own a 2011 model of MacBook Pro with a Core i7 processor and Snow Leopard. I have found out there is a trojan horse which now controls 600,000 Macs.
- How can I find out if my MacBook is being controlled?
- How can I remove the trojan?
You can follow these instructions from F-Secure to uninstall/remove the malware:
Apple has released an official tool for uninstalling the malware. Read about it and download it on this Apple KB page.
F-Secure has also released a removal tool, which you can download here.
Quick one-liner to paste into Terminal.app:
Unless this outputs anything, you're clean (at least of the known types). If it does say something, go clean up.
Java for Mac OS X 10.6 Update 8
Apple released an official software update that will remove the flashback malware from your computer. Just run software update on your Mac to install it. Here are the details from the Apple support article:
Java for OS X Lion 2012-003
From the Lion update:
Here is an Apple support article about the security content of the Java updates.
Kaspersky's removal tool
...checks if your Mac is affected and removes the trojan if necessary. You can download it on
Check online using your UUID
You can check if you Mac is affected using your UUID (Universally unique identifier) on http://flashbackcheck.com/
This is for your relatives and friends that want to avoid using the Terminal.
Download this free app from Github. As referenced in this Macworld article, the single-function app will quickly check your machine for the infection. The app doesn't remove the malware, which will be left up to the user by manually following the instructions from F-secure.