Darkfall, has released an announcement today regarding downloading the Darkfall client from any group other than Aventurine. In a nutshell, he says don't do it. Aventurine cannot guarantee the quality of those downloads or what may be hidden inside of them. If you wish to download the Darkfall client, do so from Aventurine's official torrent.
Brannoc's official announcement states, "Many people have begun to host the client we made available by torrent on other websites for direct download.
Aventurine cannot guarantee the efficacy of these clients and make no guarantees as to their security or freedom of malware. For that reason we recommend only utilizing official download sources for the Darkfall client.
Aventurine also does not support any 3rd party applications or programs for use with the Darkfall client.
Anytime you utilize non-official resources you run a security risk for your system and for that reason we recommend you keep an up to date antivirus program and firewall software up and running. "