nssm.exe is a program which is probably legit. So, if nssm.exe is on your PC, it is probably ok, and will NOT be a cause for concern. Even if your system is clean, we still advise you to use a good antivirus with a good detection rate, in order to defend your system against viruses and malware.
This program is normally stored in C:\Users\UserName\AppData\Roaming\System\nssm.exe.
The MD5 fingerprint for this file is d9ec6f3a3b2ac7cd5eef07bd86e3efbc.
This program is set up as a Windows service. This means it operates on your system in background, usually without showing anything to you. Most Windows services are ok programs, which perform useful features to other applications or to Windows in general.
This application runs as a 32-bit program. It does not exploit the full set of features of nowadays' computer CPUs. This is quite normal because the publishers did not upgrade it to use the x64 instruction set.
The description stored in the program is The non-sucking service manager.
File version extracted from the file 2.24.
Legal copyright Public Domain; Author Iain Patterson 2003-2014.
Some dangerous features of the Operating System appear to be used, such as functions for tapping the keyboard. We recommend you to read more about this program.
The digital certificate is missing from this program. The publisher did not sign it. This is probably bad.
It has an uninstall routine, which is good. si are uninstall.