MsMpEng.exe

Microsoft Malware Protection by Microsoft Corporation (Signed)

Remove MsMpEng.exe
Version:   4.2.0216.0
MD5:   1e687428128049fa09c10fb4ad4fc160
SHA1:   e208e6bed0d3ff2ef18fb96fecd3359e5d5ab603
SHA256:   84142e204c6a852f7f3471d79bb06766857e358d00310f131074a3b945f98394

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:Microsoft Malware Protection
Description:AntiMalware Service Executable
Typical file path:C:\Program Files\microsoft security essentials\msmpeng.exe
File version:4.2.0216.0
Size:21.54 KB (22,056 bytes)
Certificate
Issued to:Microsoft Corporation
Authority (CA):Microsoft Corporation
Effective date:Wednesday, October 22, 2008
Expiration date:Friday, January 22, 2010
Digital DNA
PE subsystem:Windows GUI
Entropy:6.372596
File packed:No
Code language:Microsoft Visual C++
.NET CLR:No
More details

ResourcesPrograms

The following program will install this file
Microsoft Corporation
1% remove
The Microsoft Security Essentials Prerelease program allows users to run the latest & greatest versions of Security Essentials before they are publicy available.

BehaviorsBehaviors

Services
Runs under 'SYSTEM\CurrentControlSet\Services' by the Service Controller (services.exe)
  • WinDefend
  • 'MsMpSvc' (Microsoft Antimalware Service)

ResourcesResource utilization

(Note: statistics below are averages based on a minimum sample size of 200 unique participants)
Averages
 
CPU
Total CPU:0.00007864%
0.028634%
Kernel CPU:0.00004585%
0.013761%
User CPU:0.00003279%
0.014873%
Kernel CPU time:1,332,225 ms/min
100,923,805ms/min
CPU cycles:26,123,059/sec
17,470,203/sec
Memory
Private memory:93.83 MB
21.59 MB
Private (maximum):175.57 MB
Private (minimum):29.91 MB
Non-paged memory:93.83 MB
21.59 MB
Virtual memory:322.97 MB
140.96 MB
Virtual memory (peak):817.32 MB
169.69 MB
Working set:58.84 MB
18.61 MB
Working set (peak):361.34 MB
37.95 MB
Page faults:162,666,511/min
2,039/min
I/O
I/O read transfer:10.04 MB/sec
1.02 MB/min
I/O read operations:2,554/sec
343/min
I/O write transfer:166.22 KB/sec
274.99 KB/min
I/O write operations:46/sec
227/min
I/O other transfer:342.82 KB/sec
448.09 KB/min
I/O other operations:9,836/sec
1,671/min
Resource allocations
Threads:42
12
Handles:668
600

BehaviorsProcess properties

Integrety level:System
Platform:64-bit
Command line:"C:\Program Files\microsoft security client\msmpeng.exe"
Owner:SYSTEM
Windows Service
Service name:WinDefend
Display name:Windows Defender-Dienst
Description:“Schützt Benutzer vor Schadsoftware und weiterer potenziell unerwünschter Software.”
Type:Win32OwnProcess
Parent process:services.exe (Services and Controller app by Microsoft)

ResourcesThreads

Averages
 
ntdll.dll
Total CPU:0.10207829%
0.272967%
Kernel CPU:0.04014649%
0.107585%
User CPU:0.06193180%
0.165382%
CPU cycles:3,071,226/sec
5,741,424/sec
Context switches:3/sec
79/sec
Memory:1.66 MB
1.16 MB
msvcrt.dll (Windows NT CRT DLL by Microsoft)
Total CPU:0.04268862%
Kernel CPU:0.00375246%
User CPU:0.03893617%
CPU cycles:940,768/sec
Memory:636 KB

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Home Premium 31.50%
Windows 8.1 14.50%
Windows 7 Ultimate 13.00%
Windows 7 Professional 8.00%
Windows 8.1 Pro 6.50%
Windows 8 6.00%
Windows 8 Pro 5.50%
Windows 8 Single Language 3.50%
Windows 8.1 Single Language 3.00%
Windows 8.1 Pro with Media Center 2.00%
Windows Vista Home Premium 2.00%
Microsoft Windows XP 1.50%
Windows 8 Enterprise 1.00%
Windows 8.1 N 0.50%
Windows 8.1 Enterprise Evaluation 0.50%
Windows 8 Enterprise N 0.50%
Windows 8 Enterprise Evaluation 0.50%

Distribution by countryDistribution by country

United States installs about 45.50% of Microsoft Malware Protection.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Dell 24.10%
Hewlett-Packard 15.26%
Acer 13.25%
ASUS 12.05%
Lenovo 12.05%
Toshiba 8.84%
Sony 4.02%
GIGABYTE 3.61%
Intel 3.21%
Samsung 1.61%
Compaq 1.61%
Alienware 0.40%
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