winlogon.exe is a program which is most likely NOT a virus or malware. So, if winlogon.exe is on your PC, it is most likely ok, and will NOT be a cause for concern. Even if your system is clean, we still advise you to use a well-known antivirus with a good track record, in order to yourself your PC against threats.
Usually, this application is located in C:\Windows\System32\winlogon.exe.
The MD5 fingerprint for this file is 9cda170849a4f66f4d68b3dbb3ac8394.
This application is NOT a Windows service. This is very good.
winlogon.exe seems to have something to do with Windows SFC (System File Checker) or Windows File Protection.
64-bit code has been detected. This program can put to good use the full power of a modern computer 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 checks out perfectly. This is very good.
Digital certificate name: Microsoft Windows
Certificate's issuer name: Microsoft Windows Production PCA 2011
This application does NOT have an uninstall routine stored in registry.