Similarly, Firefox warning "This file contains a virus or malware".
EDIT: Antivirus apps (and Firefox) detecting this as a virus since it has been used by attackers https://news.softpedia.com/news/danabot-banking-trojan-moves-to-europe-adds-rdp-and-64-bit-support-522842.shtml (in the same way that nirsoft's apps are "viruses").
Multiple issues opened over the same problem. Sure this will be closed shortly as a duplicate. Original Issue ID #227 still showing as opened. Copying my comments to the original Issue ID. SHA256 and a statement from the developer on the home-page nice to have.