you are all of a sudden infected with all of that unless you have not scanned with anything besides a virus program. I would start with these.
They are all free except for the trojan removers but you can get a 30 trial with them.

Spybot S&D (download, check for updates, read the tutorial and scan often, it also does some blocking)

Ad-Aware SE (a scanner, download, check for updates, read the directions and scan.

cwshredder (stand alone unit)(another small scanner for certain things, ALL other windows should be closed)

Download anti-trojan (any of the following)

The Cleaner Pro 30 days trial -

TrojanHunter - (trial)

Also do an online scan at one or all of these.
Housecall (using IE with Active-X)

Housecall (all browsers using java)