winlogon.exe is a application which is most likely NOT a virus or malware. So, if winlogon.exe is on your system, it is most likely ok, and will NOT be a cause for concern. Even if your PC is virus-free, we still advise you to use a well-known antivirus with a good detection rate, in order to yourself your PC against threats.
Usually, the default name and directory where this program is stored is
C:\Windows\System32\winlogon.exe.
The MD5 checksum for this executable is 92419f3b74c6c3d7304b7665da984552.
This application does NOT run as a Windows service. This is usually a good sign.
winlogon.exe appears to have something to do with Windows SFC (System File Checker) or Windows File Protection.
64-bit code has been detected. This program can exploit the full power of a current PC processor.
winlogon.exe has a digital signature. Nowadays the large majority of virus-free programs are digitally signed.
The digital signature extracted from winlogon.exe is valid. This is excellent.
Digital certificate name: Microsoft Windows
Certificate's issuer name: Microsoft Windows Production PCA 2011
This executable does NOT have a removal routine set up in registry.