Port80 Software ServerMask v3.0.2 for IIS - 11/10/07
.

ServerMask for IIS (ISAPI filter) - Installed on the origin IIS Web server, this software solution masks HTTP-layer data to prevent the detection of a Windows Web server.
http://www.port80software.com/download/SMSetup.exe
.
Addon/Info:
http://www.midload.com/en/file/17497/Port80-Software-ServerMask-v3-0-2-for-IIS-Incl-Keygen-SSG-zip.html