Pondus informed me and told that it is detected differently by avast! here, see: https://www.virustotal.com/nl/file/4024a6d19ba2e8a028002b7b7c2bd032d69b695ceae6fb2ce033de557e72fea1/analysis/1405727236/
Thank you Pondus for re-checking.

“You’d never skate over one night’s ice”, as a Dutch proverb says!

Damian