This domain is flagged as an elevated-risk cryptocurrency drainer, designed to impersonate the legitimate CoW Swap decentralized exchange platform. Analysis indicates the site employs brand impersonation tactics to deceive users into connecting wallets, where malicious smart contracts or scripts may automatically siphon funds without authorization. The specific threat type—cryptocurrency drainer—targets users of decentralized finance (DeFi) platforms, leveraging social engineering to exploit trust in established brands. Infrastructure analysis reveals multiple high-risk indicators. The domain cowsepper.com was registered on October 02, 2025, through Web Commerce Communications Limited, an uncommon registrar for DeFi projects. It resolves to IP address 104.21.29.100, hosted on AS13335 (Cloudflare, Inc.), a network frequently abused for phishing infrastructure due to its anonymizing capabilities. Security vendors on VirusTotal flagged the domain at a rate of 11/95, a significant detection ratio for a newly registered site. The domain appears on one security blocklist and is currently offline, though this does not eliminate residual risk. Notably, the site lacks an SSL certificate, a critical omission for any platform handling financial transactions or wallet connections. The page title, "Swap - CoW Swap | The smartest way to trade cryptocurrencies," directly mimics the legitimate CoW Swap brand, reinforcing the impersonation threat. Mitigation steps for users and organizations include immediate blocking of the domain and its associated IP address (104.21.29.100) at the network perimeter. Users who interacted with the site should revoke all connected wallet permissions via blockchain explorers or dedicated revocation tools, as drainer scripts may persist even after the site is taken offline. Cryptocurrency exchanges and wallet providers are advised to monitor for transactions originating from addresses linked to this domain and flag them for potential fraud. Due to the elevated risk of financial loss, affected users should report the incident to relevant cybersecurity authorities and consider initiating blockchain forensics to trace stolen assets. Proactive education on recognizing brand impersonation tactics—such as scrutinizing domain names for typos, verifying SSL certificates, and cross-referencing official project URLs—remains critical to reducing exposure to cryptocurrency drainer threats.
Extracted from stored page analysis
Observed indicators
2 wallet · 0 Telegram
Full extracted values, their blockchain and collection source. An address found in page content does not establish who controls it.
IoC Extractionscanned 2026年8月2日2 wallet · 0 Telegram IoCs
Submitted URLhttps://www.cowsepper.com/
ICANN OVERSIGHT
認定と RAA の背景
Registrar accreditation and DNS abuse obligations
For this gTLD, the registrar above operates under an ICANN accreditation agreement. The links below provide the official fee schedule and current DNS abuse compliance guidance.
Accreditation is a contract, not a safety certification.
RAA §3.18 establishes abuse-contact and handling requirements. This report can document stored outbound notices and later technical observations; it does not by itself establish receipt, investigation, remediation, or contractual non-compliance.
An estimated time describes an observation window. It does not prove a registrar action or the exact moment a site became unavailable.
Check for cloaking
Compare what a browser and a crawler receive, and check for Keitaro traffic routing.
No cloaking flag in this check
unavailable: raw=connection_error; http=0; via=http_proxy; error=SOCKSHTTPConnectionPool(host='duplicate-disabled-13295.invalid', port=80): Max retries exceeded with url: / (Caused by N
Keep original emails, receipts, messages and screenshots in a secure place. A factual timeline helps the receiving authority understand what happened. IC3 evidence guidance ↗
Payment records — if you paid, save the receipt, amount, date, payment provider and recipient details.
Your bank or payment provider — contact its fraud team promptly through official contact details if money or card information was exposed.
地元の警察 — たとえ直ちに行動を起こせなくても、公式な記録が残される
A report is not a guarantee of recovery or investigation, but prompt, accurate transaction data can help authorities and service providers trace the incident.
詐欺による金銭の返還を装った詐欺 — fraudsters pose as recovery agents and demand upfront fees. Never share a seed phrase or pay before independently verifying the provider
About this reportSources, observation dates and corrections
This report combines saved page captures, registration and network records, scanner results and PhishDestroy reporting history. Each source keeps its own observation date. Open a source report to inspect the original result.
The AI-assisted analysis was written on . It describes the evidence available at that time; later source checks can change.
A capture documents what was shown. A scanner result records that provider’s assessment at the time of its check. Neither a valid certificate nor a zero-detection result is a guarantee of safety.
(MY)
