The H

Flashback: two thirds of all infected Macs run Snow Leopard

Back to Flashback: two thirds of all infected Macs run Snow Leopard
Clearly discernible: the malware seems to be particularly comfortable on Snow Leopard (Darwin kernel versions 10.x), but it also likes Leopard (kernel versions 9.x), which is completely defenseless against the trojan
Back to Flashback: two thirds of all infected Macs run Snow Leopard