nissrv.exe is a program which is most likely legit. So, if nissrv.exe is on your PC, it is most likely ok, and will NOT cause problems. Even if your system is clean, we still advise you to purchase a good antivirus with a good track record, in order to yourself your PC against potential security problems.
This program is usually found on disk in C:\Program Files\Windows Defender\NisSrv.exe.
The MD5 checksum for this program is 9bc2396b659f78d4bc5db3444e6dae73.
This application is a Windows service. This means it operates on your PC in background, usually without showing any user interface to you. Most Windows services are legit programs, which perform useful features to other applications or to the Windows Operating System.
nissrv.exe appears to use the functions of Windows SFC (System File Checker) or Windows File Protection.
This app runs as a 32-bit program. It does not use the full power of modern PC CPUs. This is quite normal because the authors did not upgrade it to use the x64 instruction set.
The description stored in the program is Microsoft Network Realtime Inspection Service.
File version extracted from the file 4.9.10586.0 (th2_release.151029-1700).
Company Microsoft Corporation.
Copyright notice © Microsoft Corporation. All rights reserved..
nissrv.exe has a digital signature. Nowadays most legit programs are digitally signed.
The digital signature found in nissrv.exe is valid. This is very good.
Digitally signed by: Microsoft Corporation
Certificate's issuer name: Microsoft Code Signing PCA
This application does NOT have an uninstall routine set up in registry.