lsass.exe is a application which is most likely NOT a virus. So, if lsass.exe is on your laptop or desktop computer, it is most likely ok, and will NOT be a cause for concern. Even if your system is clean, it is still recommended to purchase a well-known antivirus with a good detection rate, in order to defend yourself against potential security problems.
Usually, the default filename and folder where this application is stored is
C:\Windows\System32\lsass.exe.
The MD5 fingerprint for this executable is 28f844500ada77447835bc586f15aaae.
This program is registered as a Windows service. This means it operates on your system in background, usually without displaying anything to you. Most Windows services are ok programs, which perform useful features to other programs or to Windows in general.
lsass.exe seems to have something to do with Windows SFC (System File Checker) or Windows File Protection.
This is a x64 executable. It uses the full capacity of modern computer processors.
lsass.exe has a digital signature. Today most legit software applications are digitally signed.
The digital signature extracted from lsass.exe verifies as ok. This is most likely a clean, ok program.
Digitally signed by: Microsoft Windows Publisher
Certificate's issuer name: Microsoft Windows Production PCA 2011
This application does NOT have an uninstall command set up in registry.