smss.exe is a application which is probably legit. So, if smss.exe is on your computer, it is probably ok, and will NOT cause problems. Even if your PC is clean, it is still recommended to purchase a well-known antivirus with a good track record, in order to yourself your system against threats.
This application is usually found on disk in C:\Windows\System32\smss.exe.
The MD5 fingerprint for this file is 03fb3748b0fd31c4d7fb9a9278a65c6d.
This program is NOT a Windows service. This is good.
smss.exe seems to have something to do with Windows SFC (System File Checker) or Windows File Protection.
This app runs in 32-bit mode. It can not benefit of the full power of current computer CPUs. This ordinarily happens because the makers did not upgrade it to 64-bit code.
The description extracted from the program is Windows Session Manager.
File version 6.1.7601.23543 (win7sp1_ldr.160909-0600).
Company name Microsoft Corporation.
Legal copyright © Microsoft Corporation. All rights reserved..
smss.exe has a digital signature. Today most legit software applications are digitally signed.
The digital signature attached to smss.exe checks out perfectly. This is most likely a clean, ok program.
Digitally signed by: Microsoft Windows
Certificate's issuer name: Microsoft Windows Verification PCA
This program does NOT have an uninstall command stored in registry.