Little-known anti-malware programs display warnings, which are often identified as false positive. Nevertheless, it is recommended to recheck the file with your antivirus software after downloading.
We do not have a download file for the latest version (6.1.13), but you can try downloading it from the developer's site
Download version 6.0.26 from Mac Informer
Version: 6.0.26
Date update: Jun 22, 2016
File name: fluxv6.zip
Size: 87.8 MB