This is a Windows system installed file with Windows File Protection (WFP) enabled.
urlmon.dll has 252 known versions, the most recent one is 9.00.8112.16421 (WIN7_IE9_RTM.110308-0330). The average file size is about 1.09 MB. The programs Windows Internet Explorer 8, Dll-Files Fixer and Malevolence: The Sword of Ahkranox have been observed as installing specific variations of urlmon.dll.
Urlmon.dll is part of Microsoft Internet Explorer and offers functionality for MIME handling and code download. Internet Explorer uses two mechanisms for registering new URL protocol handlers. The first method is to register a URL protocol and its associated application so that all attempts to navigate to a URL using that protocol launch the application (for example, registering applications to handle mailto: or news: URLs). The second method uses the Asynchronous Pluggable Protocols API, which
(Note, the programs listed below are for all versions of OLE32 Extensions for Win32.)
(Note, the behaviors below are for all versions of urlmon.dll, select a unique version for details.)
India installs about 21.63% of OLE32 Extensions for Win32.