btcusdt[.]cyou

This domain is actively engaged in cryptocurrency credential harvesting, specifically targeting users of crypto wallet services. Analysis of the site content and infrastructure indicates it mimics legitimate exchange interfaces to deceive victims into entering private keys or seed phrases, which are then exfiltrated to attacker-controlled servers. The domain employs social engineering tactics, such as fake login portals and urgent transaction prompts, to manipulate users into disclosing sensitive authentication details. Infrastructure analysis reveals multiple technical indicators supporting its malicious classification. The domain was registered on August 12, 2025, through Gname.com Pte. Ltd., and currently resolves to the IP address 188.114.97.3, hosted on Cloudflare's network (AS13335). Security vendor detection on VirusTotal shows 6 out of 95 engines flagging the domain as malicious. Additionally, the domain appears on three independent security blocklists, including those maintained by cryptocurrency-specific threat intelligence providers. Users who have visited btcusdt.cyou should immediately revoke any permissions granted to the site via wallet applications. All credentials or seed phrases entered on the site must be considered compromised and should be transferred to a new wallet using a clean device. Monitor connected accounts for unauthorized transactions and report the incident to relevant cryptocurrency security response teams. Network administrators are advised to block the domain and its resolving IP at the perimeter to prevent further access.