This didn't happen before, but after a recent antivirus dbase update these tools now show up as PSW.Generic type trojans (spy programs, keyloggers etc). I'm pretty sure this is just a heuristics false alarm, since the programs do behave similarly to some spy-ware; they monitor and affect the behaviour of the NFSU2 program.
Just wandering if anyone else has received warnings from their antivirus programs? I use AVG Free Edition myself.