nsbu.exe is a program which is most likely NOT a virus. So, if nsbu.exe is on your laptop or desktop computer, it is most likely ok, and will NOT cause problems. Even if your PC is clean, we still advise you to use a good antivirus with a good track record, in order to yourself yourself against viruses and malware.
The default filename and path where the program is stored is
C:\Program Files (x86)\Norton Security with Backup\Engine\220.127.116.11\nsbu.exe.
The MD5 checksum for this file is 79287329b591fe6e3aa7bf169469e4cb.
This program is registered as a Windows service. This means it runs on your system in background, usually without displaying any user interface to you. Most Windows services are useful programs, which perform useful features to other programs or to the Windows Operating System.
This executable uses the Internet to communicate. Today this is ok. For example, most of the apps on your PC check for new updates. For this, Internet communications are required.
This exe runs in 32-bit mode. It does not benefit of the entire set of features of nowadays' computer processors. This ordinarily happens because the authors did not bother to upgrade it to use the x64 instruction set.
The description stored in the file is Norton Security with Backup.
File version 18.104.22.168.
Publisher Symantec Corporation.
Legal copyright Copyright (c) 2016 Symantec Corporation. All rights reserved..
nsbu.exe appears to have visible windows. This means it doesn't operate in some kind of invisible mode. Its activity is clearly displayed to you.
nsbu.exe is digitally signed. Nowadays the large majority of clean programs are digitally signed.
The digital signature attached to nsbu.exe checks out perfectly. This is excellent.
Digital certificate name: Symantec Corporation
Certificate's issuer name: VeriSign Class 3 Code Signing 2010 CA
It has an uninstall routine, which is good. si are uninstall.