Apple has updated its Mac operating system to protect against a malicious application that has been hoodwinked untold numbers of users by masquerading as legitimate security software that warns they have serious infections on their machines.
Apple issued Security Update 2011-003 on Tuesday to update Mac OS X to detect for MacDefender, one of several trojans that gets installed through an elaborate ruse that's become almost a rite of passage for owners of machines running Microsoft Windows. Those behind the scareware hook their victims by presenting them with web images that depict an antivirus scan taking place on their machines. The images falsely claim users have serious malware infections and urge them to download and install the antivirus package. Those who fall for the scam are then infected.
A ZDNet blogger recently counted 200 separate discussion threads on discussions.apple.com in which users complained of infections that caused their Macs to behave erratically. Apple had instructed members of its support team to withhold any confirmation that a customer's Mac has been infected with malware or to assist in removing malicious programs, the blogger, Ed Bott, had said.
Continued : http://www.theregister.co.uk/2011/05/31/mac_malware_removal_tool/
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