A couple friends helped me get my website up and going. They helped me get vBulletin installed and working. Now after giving Admin rights to 1, there has been a "falling out" it seems. As far as banning/de-modding/etc... I got that under control. I just need to know... What are all the places I will need to change passwords? I want to get this done quick before there is any damage done and my whole domain is taken over.

I relied so much on friends setting things up that I was so stupid, that I didn't learn myself.

Where do I start?

What about the config.php file? I know that asked for passwords. To what? Where/how do I change those?

Edit: So far, I have changed the password I use to log into my host's website.