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 (1.5), but you can try downloading it from the developer's site
Download version 0.4.0b from Mac Informer
Version: 0.4.0 β
Date update: Nov 30, 2017
File name: teatv-0.4.0-beta.dmg
Size: 68.4 MB