OSX.iServices.B Trojan Horse discovered with pirated copies of Adobe PhotoShop CS4

A Trojan Horses, OSX.iServices.B, have been discovered on BitTorrent websites packaged with a copy of Adobe PhotoShop CS4. Along with a commercial copy of Adobe PhotoShop, the downloaded package contains an application to 'crack' the software's serial number protection. Running the Crack application installs the Trojan on your Mac.

The Trojan is a variant of the OSX.iWorkServices.A Trojan that was discovered a few days ago and exhibits similar characteristics once installed, attempting to connect to a remote server, freehostia.com:1024, on the Internet to broadcast its existence and download further malware from the server.

For more information see the
Macintosh Malware page.