msmpeng.exe is a application which is probably NOT a virus. So, if msmpeng.exe is on your PC, it is probably ok, and will NOT be a cause for concern. Even if your PC is clean, we still advise you to run a good antivirus with a good track record, in order to yourself yourself against viruses and malware.
This program is usually found on disk in C:\Program Files\Microsoft Security Client\MsMpEng.exe.
The MD5 fingerprint for this program is b4c5cd5abc0673e6531a973dcf2ffefa.
This program is registered as a Windows service. This means it operates on your system in background, usually without displaying anything to you. Most Windows services are ok programs, which provide useful features to other programs or to Windows in general.
This program uses the net to communicate. In this day and age this is expected from a program. For example, most of the programs on your PC check for new updates. For this, Internet communications are required.
This application runs in 32-bit mode. It can not benefit of the full set of features of current PC chips. This is quite normal because the makers did not upgrade it to 64-bit code.
The description extracted from the program is Antimalware Service Executable.
File version 4.10.0209.0.
Producer Microsoft Corporation.
Legal copyright notice © Microsoft Corporation. All rights reserved..
msmpeng.exe is digitally signed. Nowadays most clean software applications are digitally signed.
The digital signature extracted from msmpeng.exe checks out perfectly. This is excellent.
Digitally signed by: Microsoft Corporation
Certificate's issuer name: Microsoft Code Signing PCA
It has an uninstall string in registry, which is a good sign. si are uninstall.