I couldn’t agree more with the title of this blog entry from MacMerc.com:
An Intego Security Alert warns of a new exploit to threaten the tranquility of the Mac universe: OSX.Trojan.iServices.A Trojan Horse. [From The latest Mac Trojan can be avoided by not pirating software]
The first documented case of a Trojan for the Mac ‘in the wild’.
Do yourself a favor and get your ClamXav here.
UPDATED: ClamXav has already been updated for this trojan. Click here for info.