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Program info

Estimated safety rating


nissrv.exe is a application which is probably legit. So, if nissrv.exe is on your computer, it is probably ok, and will NOT cause problems. Even if your system is clean, it is still recommended to run a good antivirus with a good detection rate, in order to defend yourself against potential security problems.

Executable file path

 C:\Program Files\Windows Defender\NisSrv.exe

Usually, the default name and folder where the application is stored is
C:\Program Files\Windows Defender\NisSrv.exe.

MD5 hash of the executable file


The MD5 checksum for this file is 2ffb0f94c3cbc1d7133edd3213e41cc1.

Is running as a service


This application is a Windows service. This means it operates on your system in background, usually without showing anything to you. Most Windows services are legit programs, which perform useful functions to other applications or to Windows in general.

Belongs to the operating system


nissrv.exe appears to use the functions of Windows SFC (System File Checker) or Windows File Protection.

Is a 64 bit executable file


This is a x64 executable. It uses the full capacity of modern CPUs.

File description

 Microsoft Network Realtime Inspection Service

The description extracted from the file is Microsoft Network Realtime Inspection Service.

File version

 4.11.15063.0 (WinBuild.160101.0800)

File version extracted from the file 4.11.15063.0 (WinBuild.160101.0800).


 Microsoft Corporation

Producer Microsoft Corporation.


 © Microsoft Corporation. All rights reserved.

Legal copyright © Microsoft Corporation. All rights reserved..

Digitally signed


nissrv.exe is digitally signed. Nowadays most legit programs are digitally signed.

Valid digital signature


The digital signature extracted from nissrv.exe is valid. This is most likely a clean, ok program.

Certifier name

 Microsoft Corporation

Digitally signed by: Microsoft Corporation

Issuer name

 Microsoft Code Signing PCA

Certificate's issuer name: Microsoft Code Signing PCA

Can be uninstalled


This program does NOT have a removal routine stored in registry.