lsass.exe is a program which is probably legit. So, if lsass.exe is on your computer, it is probably ok, and will NOT be a cause for concern. Even if your system is clean, we still advise you to purchase a well-known antivirus with a good track record, in order to defend yourself against threats.
The default filename and path where this program is stored is
C:\Windows\System32\lsass.exe.
The MD5 fingerprint for this file is 62056add38513a86c4866e912371b56b.
This application is a Windows service. This means it runs on your system in background, usually without showing anything to you. Most Windows services are legit programs, which provide useful features to other applications or to the Windows Operating System.
lsass.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' computer processors.
lsass.exe is digitally signed. Nowadays most legit programs are digitally signed.
The digital signature attached to lsass.exe is valid. This is excellent.
Digitally signed by: Microsoft Windows
Certificate's issuer name: Microsoft Windows Verification PCA
This application does NOT have an uninstall routine set up in registry.