So NO it'll do no good ...
Okay dokey - so you don't have a virus, you have a trojan ! (similar yet different - a virus destroys data - a trojan pretends to be something 'nice' when its most likely spyware) - its collectively called 'malware' ;)
Post up the great long hijackthis log (as requested ;)) then we can advise .. :)
BTW - Anti-virus software is absolutely no damn good at all if you don't update the definitions ! :devil: ... For FREE - Try
AVG free edition (not the worlds greatest - but IMHO, pretty f. good, if you ain't paying ! :D)