I don't know if it's a virus or not

So I played this game for like.. 2 months, and every week they make a new patch. Since the last patch, BitDefender doesn't let me to play because he finds something there. How can I find out if it's a false positive or not?

Virus Total link: https://www.virustotal.com/gui/file/f6659fba4de3588747b9263ac9b676a234ce36d36d9cf3804ffe96482a9ae22a

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