Cyber Risks · Krebs on Security

Apple Update Targets Mac Malware

Summary: Apple released Security Update 2011-003 for Mac OS X 10.6.7 and Mac OS X Server 10.6.7, adding a component that detects the MacDefender scareware and its known variants, quits the malware, deletes persistent files, and corrects changes to configuration or login files. The update also adds malware definitions that warn users in Safari, iChat, and Mail before downloading MacDefender, and sets the computer to check daily for definition updates.

What you should know: The fix covers only 10.6 Snow Leopard, leaving users on 10.5 and 10.4 unprotected, and MacDefender authors reportedly modified the malware to evade Apple's signatures within hours of release.

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Topics
Vulnerabilities & Patching
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