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 (3.0.1.890), but you can try downloading it from the developer's site
Download version 2.7 from the developer's website
Version: 2.7 (x86/x64)
Date update: Jan 30, 2015
File name: SnapPea-snappea.exe
Size: 31.6 MB