This is slight misinformation, there is no virus in the game itself. However due to lack of security features you are vulnerable to attacks when playing online. Offline play is safe.
For more information view this post as it is summarized properly: https://gtm.steamproxy.vip/app/2073470/discussions/0/3464975249555745034/

Originally posted by Blaney:

Do NOT download this game there is a virus inside it if you play online you will get the virus, devs have not given any update on this yet

Imagine reading this right after finishing a game from it.
It's 2 years ago, is the virus still in game? do you suggest I get I refund and uninstall?