www.privform.com review: Their check was fake and I haven't transferred money

People, be aware of the illegal company www.Privform.com. I found their offer, and this company offered the job as a secret shopper. I got the check for the first assignment as well as the instructions. They asked me to wait 12-14 hours, so after that I would be able to withdraw money from the check. I needed to transfer necessary sum to some company in Madrid, and the remaining sum I would be able to keep for myself. But I haven’t done it and I’m really glad, because their check is fake and this money is unreal.