MsMpEng.exe

Antimalware Service Executable by Microsoft Corporation (Signed)

Remove MsMpEng.exe
Version:   4.3.9431.0 (winmain_bluemp.130615-1214)
MD5:   c41c83e9c720d164a3e5152e1cf56101
SHA1:   03f2e6c7a10441d13f498694e3ad546271e65d35
SHA256:   76a1ab724f5af56cc6c50db018b0179419a25e21a2e28c6cc6f2ef776c71c1ca
This is a Windows system installed file with Windows File Protection (WFP) enabled.

What is MsMpEng.exe?

MsMpEng.exe is the back-end of Microsoft Security Essentials. It is important to remember that this process is actually used by both Windows Defender and MSE. When you install Microsoft Security Essentials, then Windows Defender is automatically turned off and Microsoft Security Essentials uses this process. This is the main process that runs the program and takes quite some system memory. If you end this process then Microsoft Security Essentials will be disabled and an alert will be shown aski

About MsMpEng.exe (from Microsoft Corporation)

Windows Defender is software that helps protect your computer against pop-ups, slow performance, and security threats caused by spyware and other unwanted software by detecting and removing known spyw

DetailsDetails

File name:msmpeng.exe
Publisher:Microsoft Corporation
Product name:Antimalware Service Executable
Description:Microsoft® Windows® Operating System
Typical file path:C:\Program Files\windows defender\msmpeng.exe
File version:4.3.9431.0 (winmain_bluemp.130615-1214)
Product version:4.3.9431.0
Size:23.28 KB (23,840 bytes)
Build date:6/15/2013 5:27 PM
Certificate
Issued to:Microsoft Corporation
Authority (CA):Microsoft Corporation
Expiration date:Tuesday, July 9, 2013
Digital DNA
PE subsystem:Windows GUI
File packed:No
.NET CLR:No
More details

BehaviorsBehaviors

Services
Runs under 'SYSTEM\CurrentControlSet\Services' by the Service Controller (services.exe)
  • 'WinDefend' (Servizio Windows Defender)
  • WinDefend

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 8 Pro 43.50%
Windows 8 16.00%
Windows 8.1 10.50%
Windows 8 Pro with Media Center 8.50%
Windows 8.1 Pro 5.00%
Windows 8 Enterprise 3.50%
Windows 8.1 Pro Preview 2.00%
Windows 8 Release Preview 2.00%
Windows 8 Enterprise N 1.50%
Windows 8.1 Single Language 1.00%
Windows 8.1 Pro with Media Center 1.00%
Windows 8.1 Enterprise 1.00%
Windows Developer Preview 1.00%
Windows 8 Single Language 1.00%
Windows 8 Enterprise Evaluation 1.00%
Windows 8.1 Single Language Preview 0.50%
Windows 8.1 Pro Preview with Media Center 0.50%
Windows 8 Consumer Preview 0.50%

Distribution by countryDistribution by country

United States installs about 33.67% of Antimalware Service Executable.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
ASUS 21.92%
Hewlett-Packard 16.44%
Dell 13.70%
Toshiba 10.96%
Sony 9.59%
Acer 8.90%
Lenovo 8.22%
GIGABYTE 3.42%
Intel 2.74%
Medion 1.37%
Packard Bell 1.37%
Alienware 0.68%
Samsung 0.68%
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