A virus scanner.
It does not have a real-time scanner and is used manually.
- 2017-10-05 - 0.99.1 on Windows 10
- 2016-10-17 - 0.99.1 on Windows 10
- earlier - 0.98.7 on Windows 10
I had been using this on and off for some time now, stretching back to, and perhaps before, Windows XP.