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 (8.1), but you can try downloading it from the developer's site
Download version 5.7.5.0 from Mac Informer
Version: 5.7.5.0
Date update: Apr 19, 2012
File name: gems.zip
Size: 21.1 MB