But right now -- the game is safe. I've just downloaded the file myself and uploaded to www.virustotal.com. This site checks the file using *46* different virus checkers and the result: 0. No risk found.
Yes, Symantec says 'Suspicious.Insight' and 'Risk Level 1: Very Low' but after actually checking the file even they say there's no viruses whatsoever.
I'm including summary report below. So again, don't worry, it's all safe. Promise!
File size: 42.3 MB ( 44337224 bytes )
File name: heartwild-hd-install.exe
File type: Win32 EXE
Detection ratio: 0 / 46
Analysis date: 2013-08-06 16:17:16 UTC ( 1 minute ago )