New Trojan horse for Mac OS X found, the Trojan is known as OSX.Lamzev.A by Symantec.
A short history of Mac malware:
Mac.Hovdy.a (June '08),
OSX.Exploit.Launchd (June '06), and
Leap.A (February '06).
More at
http://blogs.securiteam.com/?p=1160
Juha-Matti