VirusBuster?

### http://www.virusbuster.hu/en/
['VirusBuster (Client + Daemon)', 'vbengd',
  '-f -log scandir {}', [0], [3],
  qr/Virus found = (.*);/ ],
  # HINT: for an infected file it always returns 3,
  # although the man-page tells a different story