tetonbob

The file matches the naming convention of a DAEMON Tools hidden driver file.

You can try to upload it to this site to help ensure it's not malware

Please go to: VirusTotal

• On the page you'll find a "Browse" button.
  
• Next to the browse button you'll see a box to enter text.
• Please copy/paste the following:
  
  C:\WINDOWS\System32\Drivers\a1lclphx.SYS
  
  
• Then click the "Send File " button just below.
• This will scan the file. Please be patient.
• If you get a message saying File has already been analyzed: click Reanalyze file now
• Once scanned, copy and paste the results in your next reply.