ever hear of the blaster virus? basically the same thing but i believe it is called something different saucer? maybe check out www.sarc.com
try this it's called the W32.sasser http://www.sarc.com/avcenter/venc/data/w32.sasser.removal.tool.html
Here man! look on the right where it says info go down to Scan Now & click! http://housecall.trendmicro.com/
that is warning that something was attempting to use you PC as a distribution point, viruses can cause it to happen, hacks into your system can do it, most common cause is some company out there is trying to use your IP as a SPAM distribution point, getting a lot of pop up lately? turning on yer firewall usually fixes the problem.