I don't think whoever made this Trojan was targeting Mac OS X 10.5 aka Leopard. If you'd read this article carefully you'd see that they run a series of porn sites which try to physh some more information from the user, or at least try to lure them into other porn sites. Microsoft can be blamed with unfaire competition tactics, but writing a Trojan specificly for the Macs is too low even for them,
