cmdkey.exe is an executable file that is a part of Sistema Operational Microsoft® Windows® developed by Supremo Tribunal Federal. The Windows version of the software: 6.1.7600.16385 (win7_rtm.090713-1255) is usually about 14848 bytes in size, but the version you have may differ.
The .exe extension of a file name displays an executable file. In some cases, executable files can damage your computer.
The cmdkey.exe file on your computer could possibly be a virus or malware capable of creating lists and deleting stored user names and passwords or credentials and it must be deleted, or it could be in fact, a valid Windows operating system file or a reliable application.
The first thing that will help you determine if a particular file is a legitimate Windows process or a virus, is the location of the executable itself. With cmdkey.exe for example, its path will probably be something like C:\Program Files\Supremo Tribunal Federal\Sistema Operacional Microsoft® Windows®\cmdkey.exe.
you can detect cmdkey.exe malicious activity using this free Splunk detection rule.
index = * sourcetype=”WinEventLog:Microsoft-Windows-Sysmon/Operational”
EventCode=1 Image=”*System32\\cmdkey.exe* CommandLine=”cmdkey /list”