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 (10.3.66), but you can try downloading it from the developer's site
Download version 10.2.88 from Mac Informer
Version: 10.2.88
Date update: Aug 9, 2022
File name: mac-fonelab.dmg
Size: 55.2 MB