There is no virus by this name, but we occasionally get support queries about this when people find a file called UNWISE.EXE from their Windows directory. This is an uninstall utility belonging to a commercial setup library kit. It is not a virus.
Once detected, the F-Secure security product will automatically disinfect the suspect file by either deleting it or renaming it.
Description Created: Mikko Hypponen, F-Secure