http://groups.google.com/groups?hl=e...hnhof.se#link6
It appears that this is merely a proof of concept virus, it is utterly benign. It was not made with any malicious intent, but to demonstrate one way that OS X could be exploited.
Intego got wind of it and blew it out of proportion, but I suppose it is theoretically possible that future viruses could be modeled on it. However I'm sure that Apple could, even more quickly, release a security update that fixes this.