The good news is the early detection of the trojan is slowly starting to fall in number and confirmed today that number will drop to less than 99 thousand units. Still be investigated why most of the infected Mac updates from Apple even though it has been since last April 3.
Symantec strongly recommends Mac users to constantly update your anti-virus on their computer and is always updating Mac OS X software from Apple, to avoid virus attacks, malware or trojans that can harm