lsass.exe is a application which is probably NOT a virus. So, if lsass.exe is on your PC, it is probably ok, and will NOT be a cause for concern. Even if your PC is clean, it is still recommended to use a well-known antivirus with a good detection rate, in order to yourself your system against threats.
This application is usually found in C:\Windows\System32\lsass.exe.
The MD5 fingerprint for this file is 61ff4456a65c5cf4cff918f5c484f0a0.
This program is a Windows service. This means it runs on your PC in background, usually without showing anything to you. Most Windows services are ok programs, which provide useful features to other programs or to Windows in general.
lsass.exe appears to have something to do with Windows SFC (System File Checker) or Windows File Protection.
64-bit code has been detected. This exe can use the full power of a modern PC processor.
lsass.exe has a digital signature. Today most clean software applications are digitally signed.
The digital signature extracted from lsass.exe is valid. This is very good.
Digitally signed by: Microsoft Windows
Certificate's issuer name: Microsoft Windows Verification PCA
This program does NOT have an uninstall command stored in registry.