Microsoft malicious software removal tool will wipe that out in a second. No sweat.
EDIT - apparently it will detect it as well. So you will be fine if that disc really did contain the rootkit. It will detect it, and clean it right out. You have to remember that this all happened in 2005. So unless you are using XP SP1, you should be just fine.

EDIT - apparently it will detect it as well. So you will be fine if that disc really did contain the rootkit. It will detect it, and clean it right out. You have to remember that this all happened in 2005. So unless you are using XP SP1, you should be just fine.