I lost 68 USD Today during exchange from Eth to Bitcoin

They changed the BTC address themselves

Exchange #551743
FROM: Ξ0.2696 ETHEREUM: 0x979e143652ee884e1877084743f973100562962d (batch: 0x4f4cf1dcf7c2cd52804774290def5bbe93bd325e467f95237d8338688812c80d)
TO: ฿0.01789 BITCOIN: 1AiwbNkSCqJurhGdPugnsKenHtGCYKpogC

This is ridiculous

NOW THEY ARE NOT REPLYING ON MAIL OR CHAT