FunLove is a classical
Win32 virus which is able to infect Windows 95, Windows 98 and Windows NT
executables. What makes it interesting is that, when it is run under administrator
privilege, it is able to patch the Windows NT kernel in a way that gives
ANY user full administrator rights.
Anecdotical Information
On the 23rd of
April 2001, Microsoft admitted delivering FunLove infected security updates
to its Gold and Premier partners.