The recent reply from IDEX on this matter. Quite interesting that they did due diligence and CEO of RedSoft actually hired those people to conduct an ICO and gave them the wallets and permission to operate.

Report on this can be found in Aurora DAO recent blog-post: https://medium.com/aurora-dao/insight-into-redgils-recent-de-listing-on-idex-a0a3dd451e19