Very bad piece of malware. Can somebody please help?

Hi everybody. I seem to have a piece of malware that I can't find, despite scanning with a lot of anit-virus programs. It keeps flooding my computer with something aruond 100 different spyware cookies, and they always reappear no matter how many times I remove them; hence, I figure something deeper-in is importing these. To make matters worse, my browser very often crashes since getting the infection, and sometimes my webpage freezes and starts opening IE over and over and over, 'till I have hundreds of them opening faster than I can click them off. Can somebody please help?
 
Okay, never mind. The 10000 word limit won't let me post my entire HijackThis log, and it keeps saying I have links in there that I'm not allowed to post (though I can't seem to find them all)
 
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