Use the version re-packed by community user "Karyu" from the Tantra Heavy forums. That specific repack has been scanned by over 500 users without trojan reports.
A typical clean download will be named something like: Tantra_KP_Beta_1-5b-1_FullClient.rar or Setup_Tantra_Beta_1-5b-1.exe Size: Approximately 1.8 GB – 2.2 GB. Tantra Kp Beta 1-5b-1 Download
Use a torrent magnet link from a private tracker. Public torrents are risky—use a VPN and scan the downloaded folder before opening any .exe . Use the version re-packed by community user "Karyu"