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 (5.0.5), but you can try downloading it from the developer's site
Download version 4.4.1 from Mac Informer
Version: 4.4.1
Date update: Feb 17, 2020
File name: safervpn.dmg
Size: 13.9 MB