Apple has released Flashback Removal Security Update to clean infected systems and disable the Java plug-in in Safari.
From MacRumors:
From MacRumors:
This update removes the most common variants of the Flashback malware. If the Flashback malware is found, a dialog will notify you that malware was removed. In some cases, the update may need to restart your computer in order to completely remove the Flashback malware.Apple Updates Mac OS X 10.5 Leopard with Flashback Removal Tool, Flash Player Disabler
To improve the security of your Mac, this update also disables the Java plug-in in Safari. For instructions on how to re-enable it, please visit: http://support.apple.com/kb/HT5241.The update weighs in at 1.23 MB and requires Mac OS X 10.5.8.