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 (4.0), but you can try downloading it from the developer's site
Download version 3.0.1 from Mac Informer
Version: 3.0.1
Date update: Nov 7, 2018
File name: spc_site.pkg
Size: 5.7 MB