Automated malware analysis sandboxes, like Hybrid Analysis, have flagged suspicious copies of Mykey.exe as malicious. One such report from November 2019 gave the file a and noted that it showed behavior consistent with spyware and remote access tools . It was even found to be able to "hide itself" and "record keyboard and mouse inputs".
Reboot your system to clear out any residual background drivers. Step 2: Clear Registry and AppData Residue mykeyexe