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What is mpsvc.dll?

Part of Windows Defender by Microsoft

What is it?

Windows Defender, formerly known as Microsoft AntiSpyware, is a software product that helps combat malware. Windows Defender was initially an antispyware program; it is included with Windows Vista and Windows 7 and is available as a free download for Windows XP.
Description of mpsvc.dll from Microsoft
Windows Defender is a free program that helps you stay productive by protecting your computer against pop-ups, slow performance and security threats caused by spyware and other potentially unwanted software. Windows Defender provides real-time protection for your home or small business PC that guards against viruses, spyware, and other malicious software. Windows Defender is a free* download from Microsoft that is simple to install, easy to use, and is automatically updated to protect your PC with the latest technology. Microsoft Security Essentials runs quietly and efficiently in the background so that you are free to use your Windows-based PC the way you want—without interruptions or long computer wait times. Windows Defender is able to detect and remove more threats posed by spyware and other potentially unwanted software. Real Time Protection has also been enhanced to better monitor key points in the operating system for changes.
(mpsvc.dll is a system file that is installed with Windows)
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How is mpsvc.dll loaded?

Hosted service - mpsvc.dll is typically associtated with identifier name of cda9f1373805af88f6fa4f2064bba24d with and identifier of WinDefend. A Windows Hosted Service is a service that is implemented as dynamically-linked library (DLL) run under the (Service Host) SvcHost process.


What is the community is seeing?What is the community is doing?
About 0.5% of all Boost users have the mpsvc.dll file.Of the 0.5% of mpsvc.dll users, less than 1% have disabled it.
How resource intensive is the loaded module mpsvc.dll?
Comparison based on the average resource utilization across all programs.
                              0.00089749% CPU74.8%
Average thread CPU utilization across all loaded modules is 0.00120%.
14 context switches/sec93.3%
Average context switches for all programs is 15 per second.
Typical file (disk image) location:
C:\Program Files\windows defender\mpsvc.dll

Are there other versions of Windows Defender?

Why are multiple of the same versions listed?

What else is related?

What Windows OS versions does this run on?

Windows Vista (TM) Home Basic (6.0.6001.65536)
Windows Vista (TM) Ultimate (6.0.6001.65536)
Windows Vista (TM) Business (6.0.6002.131072)
Windows Vista (TM) Home Basic (6.0.6002.131072)
Windows Vista (TM) Home Premium (6.0.6002.131072)
Windows Vista (TM) Ultimate (6.0.6002.131072)

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: mpsvc.dll
Publisher: Microsoft Corporation (verified)
Name: Windows Defender
Description: Service Module
Version: 1.1.1600.0
Size: 266.55 KB
Original file name: MpSvc.dll
Windows file protection: Yes

Digital certificate

Certificate authority: Microsoft Corporation
Expiration date: 12/18/2008

Resource utilization

Total CPU: 0.0008974925%
Privileged CPU: 0.0005333482%
User CPU: 0.0003641443%
CPU Cycle count /sec: 19,156
Context switches /sec: 14
Module memory size: 268 KB

Hosted service details

Name: 3794b461c45882e06856f282eef025af
Command: WinDefend

Image hashes

MD5: 4575aa12561c5648483403541d0d7f2b
SHA-1: 950884b982e8a99e0b7ac8e7aededd08b8725fa4
SHA-256: 2dbb7904285f16e879e1662c4cc4dfaa420d5eb24ddfc4bac0b7616f5f44649a

PE image details

CLR assembly: Yes
Subsystem: Windows GUI
Langauge*: Microsoft Visual C# / Basic .NET
File packed: No
Import Table
Export Table
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