The first virus for Mac OS X has been found today. It is called OSX/Leap.A. The malware was originally posted via link to MacRumors forum pretending to be screenshot for Mac OS X v10.5 Leopard.Update by Gergo:Leap.A propagates through iChat and infects local applications using the companion method. Our description is located athttps://www.f-secure.com/v-descs/leap_a.shtml