backgroundtaskhost.exe is a application which is most likely NOT a virus. So, if backgroundtaskhost.exe is on your computer, it is most likely ok, and will NOT be a cause for concern. Even if your system is clean, it is still recommended to run a well-known antivirus with a good detection rate, in order to defend yourself against viruses and malware.
Normally, this application is stored in C:\Windows\System32\backgroundTaskHost.exe.
The MD5 checksum for this executable is 00bdeae44f02f23ada619425e51f8c6e.
This application is NOT a Windows service. This is very good.
backgroundtaskhost.exe appears to have something to do with Windows SFC (System File Checker) or Windows File Protection.
This is a 64-bit executable. It runs using the full capacity of nowadays' CPUs.
The description present in the exe is Background Task Host.
File version 10.0.15063.0 (WinBuild.160101.0800).
Publisher Microsoft Corporation.
Legal copyright notice © Microsoft Corporation. All rights reserved..
backgroundtaskhost.exe is digitally signed. Today most virus-free software applications are digitally signed.
The digital signature attached to backgroundtaskhost.exe checks out perfectly. This is most likely a clean, ok program.
Digitally signed by: Microsoft Windows
Certificate's issuer name: Microsoft Windows Production PCA 2011
This executable does NOT have a removal routine set up in registry.