Try CWShredder and Hijackthis from www.merijn.org. Not sure if they will get your specific bug, but they have fixed a wide range of them for me in the past.

>Hello all.
>Perhaps this subject belong in another forum.... well here goes.
>
>No matter how much I delete these Spys from my computer they return when I come back into my machine. The two spys are
>1) c:\Document and settings\Dean\favorite\free spy cam.url
>2) c:\Document and settings\Dean\favorite\free Hidden cams world.url.
>
>How do I get rid of these for ever?
>
>Thanks