I've been finding these two cozing up together in unseemly places.
Aurora is the toughest spyware to clean I've ever come across. It uses randomly generated filnames launched from the Nail.exe file hooked into the explorer shell.
It took me forever to name the culprit, identify the initial executable and finally clean all the crud out.
coolwebsearch seemed to pop up pages that would allow Aurora to download, installing without an ActiveX dialog.
The big 3 antispys were helpless against it.
NV -- Abortion: It's really a Republican plot to thin the liberal herd!