Should I block it?
No, this file is 100% safe to run.
Additional versions
Relationships
 PE file structure
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Show functions |
Import table
kernel32.dll
GetLastError, GetModuleFileNameW, LoadLibraryW, FreeLibrary, GetProcAddress, GetCurrentProcess, TerminateProcess, GetSystemTimeAsFileTime, GetCurrentProcessId, GetCurrentThreadId, GetTickCount, QueryPerformanceCounter, GetModuleHandleA, SetUnhandledExceptionFilter, RtlUnwind, InterlockedCompareExchange, Sleep, InterlockedExchange, UnhandledExceptionFilter, ExitProcess
mpsvc.dll
ServiceCrtMain
msvcrt.dll
DllMain
MsMpEng.exe
Microsoft Malware Protection by Microsoft Corporation (Signed)
| Version: | 4.5.0218.0 |
| MD5: | ed70edcc4107f3727973c312e0049bd5 |
| SHA1: | fdb29638944a097d83c8c3442970287a890a0a03 |
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”
Details
| 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: | 4.5.0218.0 |
| Size: | 23.27 KB (23,824 bytes) |
| Build date: | 3/21/2014 1:53 PM |
| 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
Behaviors
Services
Runs under 'SYSTEM\CurrentControlSet\Services' by the Service Controller (services.exe)
- WinDefend
- 'MsMpSvc' (Microsoft Antimalware Service)
Distribution by Windows OS
| OS version | distribution |
| 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 country
United States installs about 45.50% of Microsoft Malware Protection.
Distribution by PC manufacturer
| PC Manufacturer | distribution |
| 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% |
|
