New Flashback variant continues Java attack on Macs

Security firm Intego on Monday announced that it had discovered a new variant of the Flashback malware called Flashback.S that continues to use a Java vulnerability Apple has already patched. This variant requires no password to install, and it places its files into the user’s home folder in “~/Library/LaunchAgents/com. java.update.plist” and “~/.jupdate.” Once Fashback.S is installed, it will then delete all files and folders in “~/Library/Caches/Java/cache” in order to delete the applet from the infected Mac, and avoid detection. The virus is actively being distributed, although it will not install if it finds Intego VirusBarrier X6, Xcode or Little Snitch installed on the Mac it tries to attack.

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