Should I block it?
No, this file is 100% safe to run.
Additional versions
Relationships
Parent process
Related files
 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: | 3.0.8402.0 |
| MD5: | 157e9e498206a3366baa7e4697bdd947 |
| SHA1: | ce7b7e09eaebddee4876b92bb085e5ab877bc5aa |
| SHA256: | e91157807a4663ff885f5ef4dab55cfdec6f86af70d642948d40f96a95afac47 |
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: | 3.0.8402.0 |
| Size: | 12.48 KB (12,784 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
Programs
The following program will install this file
Microsoft Antimalware is an antivirus software (AV) product that fights malware (malicious software), including computer viruses, spyware, Trojan horses and rootkits. The software runs on Windows XP, Windows Vista and Windows 7. Built upon the same virus definitions and scanning engine as other Microsoft antivirus products, Microsoft Antimalware Service provides real-time protection, constantly monitoring activities on the computer and ...
Behaviors
Services
Runs under 'SYSTEM\CurrentControlSet\Services' by the Service Controller (services.exe)
- WinDefend
- 'MsMpSvc' (Microsoft Antimalware Service)
Resource utilization
(Note: statistics below are averages based on a minimum sample size of 200 unique participants)
Averages
| CPU |
| Total CPU: | 0.00694673% | |
| Kernel CPU: | 0.00503107% | |
| User CPU: | 0.00191565% | |
| Kernel CPU time: | 328,640 ms/min | |
| CPU cycles: | 1,076,748/sec | |
| Context switches: | 26/sec | |
| Memory |
| Private memory: | 80.86 MB | |
| Private (maximum): | 162.32 MB | |
| Private (minimum): | 46.78 MB | |
| Non-paged memory: | 80.86 MB | |
| Virtual memory: | 258.3 MB | |
| Virtual memory (peak): | 458.87 MB | |
| Working set: | 71.8 MB | |
| Working set (peak): | 261.3 MB | |
| Page faults: | 26,743,394/min | |
| I/O |
| I/O read transfer: | 677.95 KB/sec | |
| I/O read operations: | 194/sec | |
| I/O write transfer: | 114.29 KB/sec | |
| I/O write operations: | 22/sec | |
| I/O other transfer: | 137.25 KB/sec | |
| I/O other operations: | 4,819/sec | |
| Resource allocations |
| Threads: | 35 | |
| Handles: | 491 | |
Process properties
| Integrety level: | System |
| Platform: | 64-bit |
| Command line: | "C:\Program Files\microsoft security client\antimalware\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) |
Threads
Averages
| ntdll.dll |
| Total CPU: | 0.09917120% | |
| Kernel CPU: | 0.02371931% | |
| User CPU: | 0.07545189% | |
| CPU cycles: | 1,431,774/sec | |
| Memory: | 1.52 MB | |
| msvcrt.dll (Windows NT CRT DLL by Microsoft) |
| Total CPU: | 0.09856524% | |
| Kernel CPU: | 0.00518514% | |
| User CPU: | 0.09338010% | |
| CPU cycles: | 2,318,297/sec | |
| Memory: | 636 KB | |
| MsMpEng.exe (main module) |
| Total CPU: | 0.00007141% | |
| Kernel CPU: | 0.00000101% | |
| User CPU: | 0.00007040% | |
| CPU cycles: | 800/sec | |
| Memory: | 24 KB | |
| RPCRT4.dll |
| Total CPU: | 0.00004335% | |
| Kernel CPU: | 0.00004335% | |
| User CPU: | 0.00000000% | |
| CPU cycles: | 985/sec | |
| Memory: | 1.26 MB | |
| MpSvc.dll |
| Total CPU: | 0.00003939% | |
| Kernel CPU: | 0.00002617% | |
| User CPU: | 0.00001322% | |
| CPU cycles: | 786/sec | |
| Memory: | 1.32 MB | |
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% |
|
