Its blocked too 
Avast labs are very quick to react to new ransom samples 
Just because VT doesn’t say we detect doesn’t mean avast doesn’t block the url or the binary:
https://www.virustotal.com/en/file/b6eb979579aa43fdfad147a4821b4a12c2745be994e4de563a61d23e219fd72f/analysis/1486785235/
This may have been flagged first by filerep then by their labs as malware-gen
