MsMpEng.exe
Antimalware Service Executable by Microsoft Corporation (Signed)
| Version: | 4.0.8400.0 (winmain_win8rc.120518-1423) |
| MD5: | aada4de00d483653a0a9c149d60096a0 |
| SHA1: | 9246133750f97afdc645827b138acf23605d82c8 |
| SHA256: | 0b81c9cca0aff44d9d7bd103b01cabaac26edcf364c755a8f032c209fdc3034c |
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”
Details
| 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: | 4.0.8400.0 (winmain_win8rc.120518-1423) |
| Product version: | 4.0.8400.0 |
| Size: | 13 KB (13,312 bytes) |
| 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
Behaviors
Services
Runs under 'SYSTEM\CurrentControlSet\Services' by the Service Controller (services.exe)
- 'WinDefend' (Servizio Windows Defender)
- WinDefend
Distribution by Windows OS
| OS version | distribution |
| 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 country
United States installs about 33.67% of Antimalware Service Executable.
Distribution by PC manufacturer
| PC Manufacturer | distribution |
| 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% |
|
