Fraudulent sites, portals, Internet services

Hello.iam from Türkiye. there. my complaint I sent 6000 dollars worth of etherium to www.investfoxcapital.com crypto money site. They made me a little profit. But when it's time to withdraw money, they make excuses. They don't allow me to withdraw money. I am a victim of a fraudulent system. How can you help me in this regard. Thank you. website has firland company information. they know my e-mail address...