The security of approximately 600,000 Macs has been compromised by the Flashback trojan, a trojan that targets an unpatched Java vulnerability within Mac OS X. The Mac Trojan horse was first detected in September, 2011. Hackers continued to adjust the malicious software to include both social engineering tricks and exploits of vulnerabilities.
Hackers started spreading the BackDoor.Flashback.39 Trojan horse approximately four weeks ago. This time it exploited a Java vulnerability that was unpatched on OS X. Dr. Web, which sells an antidote for the versions of Flashback on Microsoft machines describes the Mac Variant:
Oracle released an update that closed the hole in February. Apple didn’t fix the vulnerability until earlier this week after the news began to spread according to Ars Technica‘s Jacqui Cheng.
According to Russian malware analyst Ivan Sorokin, over 600,000 Macs have been affected. That number includes 274 machines “from Cupertino” also known as Apple’s headquarters. Tha
Rest assured, the fix is found in the OS X software update Java for OS X 2012-001. Look for it in the software update in system preferences. Also, a firm called F-Secure has instructions on how you can find out if your Mac is infected by the Flashback trojan. Please note that the instructions do involve running commands in Terminal so you should follow the instructions exactly as you read them.
If you’d prefer to have an expert inspect your Mac, drop in to one of of iHospital’s many locations and have one of our D.i.D. Doctor of iDevices take a look. We’ll let you know within five minutes of walking in the door how much it will cost and how long it will take. Don’t forget no appointment is necessary. We look forward to seeing you soon.
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