It's most likely a scheduled task.
Download Autoruns for Windows - Sysinternals | Microsoft Learn
- Unzip Autoruns.exe or Autoruns64.exe, whichever matches the bitness of your Windows.
- Right click Autoruns and run as administrator
- In the Quick Filter enter: apihost.exe
- If it finds the entry, right click and delete
Also delete the C:\ProgramData\Accapi folder.
If you didn't find the entry share an Autoruns log.
- When Autoruns finishes scanning, press Ctrl + S and save the log in the default *.arn format
- Share the log on OneDrive, Google Drive, or a similar file sharing service
- Post the share link