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What is propsys.dll?

Part of Microsoft Property System by Microsoft

(propsys.dll is a system file that is installed with Windows)
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How is propsys.dll loaded?

Approved shell extension - propsys.dll has a CLSID (globally unique identifier) of {97e467b4-98c6-4f19-9588-161b7773d6f6} with and identifier of Office Document Property Handler. When the system detects that the user is downloading an external program that runs as part of the Windows user interface, the system searches for a digital certificate or requests that the user approve the action. If you enable this policy, Windows only starts approved programs.


What is the community is seeing?What is the community is doing?
About 0.3% of all Boost users have the propsys.dll file.Of the 0.3% of propsys.dll users, less than 1% have disabled it.
Typical file (disk image) location:

Are there other versions of Microsoft Property System?

What else is related?

What Windows OS versions does this run on?

Microsoft Windows XP (5.1.2600.131072)
Microsoft Windows XP (5.1.2600.196608)
Windows Vista (TM) Home Basic (6.0.6001.65536)
Windows Vista (TM) Home Premium (6.0.6001.65536)
Windows Vista (TM) Ultimate (6.0.6001.65536)
Windows Vista (TM) Ultimate (6.0.6002.131072)
Windows 7 Home Premium (6.1.7601.65536)

About Microsoft Corporation

Microsoft, founded in 1975 by Bill Gates and Paul Allen, is a veteran software company, best known for its Microsoft Windows operating system and the Microsoft More...
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File details

File name: propsys.dll
Publisher: Microsoft Corporation (verified)
Name: Microsoft Property System
Description: Microsoft® Windows® Operating System
Version: 7.0.6001.16503 (longhorn(wmbla).080526-2159)
Product version: 7.0.6001.16503
Size: 736.5 KB
Original file name: propsys.dll.mui
Windows file protection: Yes

Approved shell extension details

CLSID: {97e467b4-98c6-4f19-9588-161b7773d6f6}
Command: Office Document Property Handler

Image hashes

MD5: 89d74683c859b7982056d15938baca3e
SHA-1: 7a3e608ee6348325db83f5e564ef60c116bc4d6a
SHA-256: 57914a49a65a8fd7c7706be78fb0f87b4c7eeb352836e28086078d07b79848af

PE image details

CLR assembly: Yes
Langauge*: Microsoft Visual C# / Basic .NET
File entropy: 6.40316
File packed: No
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