This is a Windows system installed file with Windows File Protection (WFP) enabled.
There are 254 versions of mshtml.dll in the wild, the latest version being 9.00.8112.16421 (WIN7_IE9_RTM.110308-0330). The average file size is about 7.2 MB. Numerous variations of mshtml.dll have been installed with both Windows Internet Explorer 8 and PC Magazine TaskPower 4.0.
Mshtml.dll is at the heart of Internet Explorer and takes care of its HTML and Cascading Style Sheets (CSS) parsing and rendering functionality. Mshtml.dll exposes interfaces that enable you to host it as an active document. Other applications such as Microsoft Word, Microsoft Excel, Microsoft Visio, and many non-Microsoft applications also expose active document interfaces so they can be hosted by shdocvw.dll. For example, when a user browses from an HTML page to a Word document, mshtml.dll is
(Note, the programs listed below are for all versions of Windows® Internet Explorer.)
(Note, the behaviors below are for all versions of mshtml.dll, select a unique version for details.)
Located in the registry at 'SOFTWARE\Microsoft\Windows\CurrentVersion\Shell Extensions\Approved'
Based on 40+ industry antivirus scanners, 14 of them detected the following malware.
Philippines installs about 11.25% of Windows® Internet Explorer.