MsMpEng.exe

Microsoft Malware Protection by Microsoft Corporation (Signed)

Remove MsMpEng.exe
Version:   4.3.0215.0
MD5:   7c8ef404852d1c675ce2a77d9852fa97
SHA1:   342bca723497eebe5c490b9820cf166d509508f7
SHA256:   169494b71301d6a3dbdcd6abaf463bda0754484295348fbe0a189ee4f13426b9

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:4.3.0215.0
Size:15.67 KB (16,048 bytes)
Build date:6/21/2013 8:23 AM
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

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:0.00046742%
0.028634%
Kernel CPU:0.00016195%
0.013761%
User CPU:0.00030547%
0.014873%
Kernel CPU time:135,224,517 ms/min
100,923,805ms/min
CPU cycles:5,022,138/sec
17,470,203/sec
Context switches:95/sec
284/sec
Memory
Private memory:86.05 MB
21.59 MB
Private (maximum):174.39 MB
Private (minimum):32.48 MB
Non-paged memory:86.05 MB
21.59 MB
Virtual memory:269.02 MB
140.96 MB
Virtual memory (peak):557.4 MB
169.69 MB
Working set:64.94 MB
18.61 MB
Working set (peak):331.89 MB
37.95 MB
Page faults:40,406,467/min
2,039/min
I/O
I/O read transfer:608.95 KB/sec
1.02 MB/min
I/O read operations:136/sec
343/min
I/O write transfer:201.09 KB/sec
274.99 KB/min
I/O write operations:4/sec
227/min
I/O other transfer:125.41 KB/sec
448.09 KB/min
I/O other operations:2,019/sec
1,671/min
Resource allocations
Threads:27
12
Handles:482
600

BehaviorsProcess properties

Integrety level:System
Platform:64-bit
Command line:"C:\Program Files\windows defender\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 (by Microsoft)

ResourcesThreads

Averages
 
msvcrt.dll (Windows NT CRT DLL by Microsoft)
Total CPU:0.06893461%
0.272967%
Kernel CPU:0.00644079%
0.107585%
User CPU:0.06249382%
0.165382%
CPU cycles:1,782,195/sec
5,741,424/sec
Memory:660 KB
1.16 MB
ntdll.dll
Total CPU:0.01265076%
Kernel CPU:0.00356903%
User CPU:0.00908173%
CPU cycles:274,825/sec
Context switches:1/sec
Memory:1.75 MB
MsMpEng.exe (main module)
Total CPU:0.00006667%
Kernel CPU:0.00005804%
User CPU:0.00000863%
CPU cycles:619/sec
Memory:28 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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