smss.exe is a program which is probably NOT a virus. So, if smss.exe is on your laptop or desktop computer, it is probably ok, and will NOT cause problems. Even if your system is clean, it is still recommended to run a well-known antivirus with a good track record, in order to defend yourself against threats.
The default filename and directory where this application is stored is
The MD5 fingerprint for this executable is 5e06bdf5f57d4fc240c2d05e3f0d9729.
This program is NOT registered as a Windows service. This is good.
smss.exe seems to have something to do with Windows SFC (System File Checker) or Windows File Protection.
64-bit code has been detected. This application can use the full power of a modern computer processor.
smss.exe has a digital signature. Today the large majority of virus-free software applications are digitally signed.
The digital signature attached to smss.exe checks out perfectly. This is very good.
Digital certificate name: Microsoft Windows Publisher
Certificate's issuer name: Microsoft Windows Production PCA 2011
This program does NOT have a removal routine stored in registry.