According to
benpc91 , what I got was a virus exclusively for Vista. Well, at least now I have proof I did nothing to screw that computer up.
Now, as to how I'm going to get the computer back into a state of normality, as well as installing Windows 7 on it, I'm going to have to tell my dad, who's only awake when he needs to go to work. He typically gets 3-5 hours of sleep between work and spends his days off sleeping.
Yeah, there's not a good time to tell him about it.
On a brighter note, she was at school today and feeling a lot better. She was a little headachey, but that's okay, her being at school and being able to speak with her brightens the day like the sun after a hurricane passed overhead.