Quote Originally Posted by flamingskullballs
a worm, i believe, is an automatic internet hack machine, that tries many passwords a second till its the right one...but im not sure, so check with mr. devious up there.
The defining characteristic of a worm is a virus that rapidly multiplies and takes up system resources. But yes, as a secondary (and ever more common) function they can perform the actions you're talking about.

Regardless, the worm isn't the root cause, only a symptom. You most likely have a Trojan and possibly Spyware which is importing stuff like the worms.