Apple has released Security Update 2011-003 for Mac OS X in response to the recent Mac fake anti-virus software. This update:
- adds a malware definition to the File Quarantine application
- causes the File Quarantine application to automatically update its malware definition list daily
- removes MacDefender fake anti-virus software if detected
US-CERT encourages users and administrators to review Apple article HT4657 and apply Security Update 2011-003 to mitigate the risks.
This product is provided subject to this Notification and this Privacy & Use policy.