Originally Posted by Symantec
This is technically the first Trojan horse seen for the iPhone, however it does appear to be more of a prank than an actual threat. The impact of uninstalling the "Trojan" would appear to be an unintended side effect. The risk to users is minimal as they would have to choose to install the bogus package and the site which was hosting it has now been taken offline. Nevertheless, iPhone users should exercise caution regarding the packages they choose to install on their phones.
Once again, Macs are not invulnerable, but you gotta have rocks in your head to install stuff on an expensive device if it doesn't come from a truly trusted source. Hacked iPhones excepted, who would do that?