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 (9.19.8.19), but you can try downloading it from the developer's site
Download version 8.0 from the developer's website
Version: 8.0 (x86)
Date update: Aug 27, 2019
File name: SpeedPlus8_Setup.exe
Size: 47.2 MB