Edit: After half day, my wife’s Mac started having the same problem. I have then applied the solution that I found in the Apple
How Hackers Accessed Apple's Computers Via iPhoneDevSDK.com
Yesterday we reported that some Apple employee’s laptops had been hacked after they were used to visit the well known iPhone developer forum iPhoneDevSDK.
Today the owner of iPhoneDevSDK Ian Sefferman released some infomation in a blog post about how the hacker gained access to their website and was keen to point out that they believe the attack was ended on January 30, 2013 by the hacker him self.
We’re still trying to determine the exploit’s exact timeline and details, but it appears as though it was ended (by the hacker) on January 30, 2013.
Everyone seems pretty certain that no user information has been compromised.