Claim Sign Scam

The Claim Sign scam is a devious cryptocurrency drainer—a phishing site masquerading as the legitimate Sign Protocol. It lures users into connecting their crypto wallets under the promise of free tokens, only to siphon their digital assets via malicious smart contracts.

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Overview of the Threat

This is a phishing, social engineering, and crypto-draining scam.

Aspect	Details
Threat type	Phishing, Scam, Social Engineering, Cryptocurrency Drainer
Associated domain	claim.signcommunity[.]link
Detection names	Tracker detections by alphaMountain.ai, CRDF, CyRadar, G-Data, Seclookup
Symptoms of infection	Sudden, unauthorized crypto transactions draining your wallet; no malware installs or file changes
Damage & distribution	Monetary loss through automated draining contracts; distributed via malvertising pop-ups, social media spam, typosquatting, compromised websites
Danger level	High — irreversible financial loss
Removal tool	SpyHunter (download here)

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Threat Evaluation & Breakdown

How I Got Infected

You likely stumbled upon a rogue pop-up or encountered a post on social media claiming a free “Claim Sign” reward. The site imitates sign.global, prompting you to connect your wallet.

What It Does

Once connected, you sign a malicious smart contract that allows automatic draining of your crypto assets. Many drainers scan wallet contents and prioritize theft without your knowledge.

Should You Be Worried?

Yes. Crypto transactions are irreversible. Once you sign the contract, scammers can quietly drain funds—often without immediate detection.

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Scam Message

There is no email or ransom note—the scam operates through a malicious smart contract triggered by wallet connection. Instead, your “agreement” is signing the contract, enabling asset removal.

Eliminating Crypto Scam Threats

Step 1: Identify and Report the Scam

1. Gather evidence (screenshots, emails, transaction IDs).
2. Report the fraud to:
   • Your crypto exchange (Binance, Coinbase, Kraken, etc.).
   • Law enforcement agencies like the FBI’s IC3 (ic3.gov) or the SEC (sec.gov/tcr).
   • The Federal Trade Commission (reportfraud.ftc.gov).
   • Blockchain explorers (like Etherscan) to check your wallet transactions.

Step 2: Uninstall Suspicious Software & Apps

• On Windows: Open Control Panel > Programs & Features → Find & Uninstall suspicious programs.
• On macOS:Go to Finder > Applications → Drag unwanted apps to Trash.
• On Android & iOS: Go to Settings > Apps → Uninstall fake crypto wallets or trading apps.

Step 3: Remove Malicious Browser Extensions

1. Google Chrome:
   • Open chrome://extensions/
   • Remove any unfamiliar or crypto-related suspicious add-ons.
2. Firefox / Edge / Safari:
   • Go to browser settings > extensions → Delete suspicious ones.
3. Clear browser cache & cookies:
   • Open browser settings → Privacy → Clear browsing data.

Step 4: Secure Your Accounts & Wallets

Change passwords immediately for:

• Crypto wallets
• Exchanges
• Email & social media

Enable Two-Factor Authentication (2FA):

• Use Google Authenticator, YubiKey, or Authy.

Move remaining funds to a secure wallet:

• Use a hardware wallet (Ledger, Trezor) instead of online wallets.

Step 5: Scan for Hidden Malware & Keyloggers

Your system may still have spyware, tracking your keystrokes or redirecting you to scam sites. A deep scan is essentialto detect and remove threats.

⏳ For a thorough malware check, use SpyHunter. (See Method 2 below.)

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Automatic Removal with SpyHunter

If you suspect hidden malware, SpyHunter can detect and remove crypto scam-related malware, trojans, and browser hijackers.

Step 1: Download SpyHunter

Download SpyHunter Here

Follow SpyHunter installation instructions here: SpyHunter Download Guide

Step 2: Install and Run SpyHunter

1. Run the SpyHunter installer.
2. Follow the on-screen installation steps.
3. Launch SpyHunter after installation.

Step 3: Perform a Full Malware Scan

1. Click “Start Scan Now”.
2. Let SpyHunter scan for:
   • Crypto-stealing malware
   • Browser hijackers redirecting to fake exchanges
   • Phishing-related spyware

Step 4: Remove All Detected Threats

• Click “Fix Threats” to eliminate malicious programs.
• Restart your system to complete the cleanup.

Step 5: Enable Real-Time Protection for Future Security

Activate SpyHunter’s real-time protection to:

• Block phishing & scam websites
• Prevent future infections
• Monitor system vulnerabilities

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Proactive Prevention: How to Avoid Crypto Scams

• NEVER share your private keys or seed phrases – even with “support teams.”
• Always verify URLs before logging in to exchanges.
• Use only official wallet apps from trusted sources.
• Ignore unsolicited investment offers via Telegram, Discord, and social media.
• Check for HTTPS & security certificates before entering login details.
• Regularly scan your device for hidden malware and spyware.
• Store crypto in a hardware wallet (Ledger, Trezor) rather than online wallets.

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Conclusion

The Claim Sign scam is a sophisticated crypto-wallet phishing attack that exploits your trust and willingness to claim free tokens. It bypasses traditional malware detection by operating entirely through wallet permissions. Be wary of any unsolicited token giveaways or pop-ups encouraging wallet connections.