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 1.2.0 from Mac Informer
Version: 1.2.0
Date update: Aug 14, 2012
File name: realstrat_1.2_demo.dmg
Size: 120 MB