Right-click the process in and select Open file location . If it is in a random folder like Temp or System32 , it is likely malicious.
If you recently installed software for a new mechanical keyboard, Mechlogger.exe is likely a component of that package. Mechlogger.exe
Keep the file, but consider adding an "exclusion" in your antivirus settings if it keeps getting quarantined. If you suspect malware: Right-click the process in and select Open file location