lsass.exe is a application which is most likely legit. So, if lsass.exe is on your PC, it is most likely ok, and will NOT cause problems. Even if your system is virus-free, we still advise you to purchase a well-known antivirus with a good track record, in order to yourself yourself against viruses and malware.
Normally, this application is located in C:\Windows\System32\lsass.exe.
The MD5 fingerprint for this executable is 5466b90225ac0990df2bc96c90886e36.
This application is a Windows service. This means it operates on your system in background, usually without showing anything to you. Most Windows services are legit programs, which provide useful functions to other applications or to Windows in general.
lsass.exe seems to have something to do with Windows SFC (System File Checker) or Windows File Protection.
This exe runs in 32-bit mode. It does not exploit the entire set of features of modern computer chips. This ordinarily happens because the publishers did not upgrade it to 64-bit code.
The description extracted from the program is Local Security Authority Process.
File version 6.3.9600.17415 (winblue_r4.141028-1500).
Company name Microsoft Corporation.
Intellectual property rights notice © Microsoft Corporation. All rights reserved..
lsass.exe is digitally signed. Nowadays most virus-free software applications are digitally signed.
The digital signature found in lsass.exe is valid. This is very good.
Digital certificate name: Microsoft Windows Publisher
Certificate's issuer name: Microsoft Windows Production PCA 2011
This program does NOT have an uninstall routine set up in registry.