Update Patch for Flashback.R Exploit on Mac OS X 10.6 or Later

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Within the last few days, Apple has released an important update for its Mac OS X operating systems to patch 12 security vulnerabilities its Java software. For those of you using an Apple computer running Mac OS X 10.6 or later, you should run Apple Software Update immediately to prevent possible infection of the Flashback.R exploit.

So What Should I Do?

1. Make sure your Java is up to date by running Apple Software Update:

  1. Choose System Preferences from the Apple Menu.
  2. Choose Software Update from the View menu.
  3. Click Update Now.
  4. Select the items you want to install, then click Install.
  5. Enter an Admin user name and password.
  6. After the update is complete, restart the computer if necessary.

2.  For those of you running Mac OS X 10.5 and earlier:
Apple is no longer providing security updates for Mac OS X 10.5 and earlier, so you will need to disable Java for your web browser. Here are quick instructions on how to disable Java in the more popular browsers:


1.     Click on the Firefox drop-down menu.
2.     Click on Preferences, then the Content tab.
3.     Uncheck the ‘Enable Javascript’ check box.
4.     Close the Preferences window.


1.     Click on the Safari drop-down menu.
2.     Click on Preferences, then the Security tab.
3.     Uncheck the ‘Enable Java’ check box.
4.     Close the Preferences window.

Google Chrome:

1.     Click on the Chrome drop-down menu.
2.     Click on Preferences, then select ‘Under The Hood’ in the sidebar.
3.     In the Privacy section, click on Content Settings.
4.     Under the JavaScript section, click on the ‘Do not allow any site to run JavaScript’ radio button.
5.     Close the Chrome window.

How Do I Know If My Mac Is Infected?
We recommend updating your anti-virus software definitions on your Mac. For existing customers running ClamXav, launch the app from your Applications folder and click on the Update Definitions icon. Once the update is complete, click on the Start Scan icon to run a full scan of your system.

If you do not have an anti-virus program installed, we recommend using a good Anti-Virus program like Sophos Anti-Virus for Mac Home Edition, or ClamXav 2, which are free for non-commercial use.

If you are infected, there is no automatic removal tool Flashback at the moment. You will need to contact us at 919-266-9499 to schedule an in-shop or on-site appointment for the removal of this malware.

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