This is how I cleaned Aurora/Nail from a system at work.
Reboot.
Now you will boot normally, getting an error that NAIL.EXE is invalid. Now run your favorite spyware removaL tool to clean up the rest.
Viola, NAIL is gone!
I guess the Geeks can look this over and post it if they like.
Edited by Excal, 13 August 2005 - 08:24 PM.