WhatsApp Worm Targets Brazilian Crypto Wallets and Bank Accounts in Sophisticated Malware Attack
Brazil’s burgeoning crypto market has come under attack from a dangerous new WhatsApp worm that specifically targets crypto wallets, exchange logins, and banking credentials, a major warning now flashing across crypto news and putting the crypto pur community on high alert.
How the Attack Works: Social Engineering and Propagation
The campaign, uncovered by Trustwave’s SpiderLabs, uses the viral power of WhatsApp to spread a twin-pronged attack combining a worm with the “Eternidade Stealer” banking trojan. Victims receive a WhatsApp message with a disguised link, masquerading as official government notices, package deliveries, or enticing investment invitations. Clicking the link unleashes the worm, which hijacks the victim’s WhatsApp account and immediately begins blasting itself to friends and personal contacts while skipping business or group chats for stealth.
Simultaneously, the attacker’s banking trojan installs itself, scanning for financial data and logins to major Brazilian banks, fintech apps, and popular global crypto wallets such as Binance, Coinbase, MetaMask, and Trust Wallet.
Why This Attack Is So Dangerous
- Targeted Evasion: The trojan is coded to activate only if the system is set to Brazilian Portuguese, confirming it’s on a local machine before stealing data.
- Invisible and Adaptive: By monitoring when users open a bank or wallet app, it lies dormant until the moment credentials are entered.
- Command and Control Resilience: Instead of using a fixed server, the malware uses hardcoded Gmail access to fetch new hacker instructions evading traditional shutdowns. If the email fails, it has a backup server plan, ensuring the threat stays active.
Why Brazilian Crypto Users Are at Major Risk
Brazil is now Latin America’s largest crypto economy and ranks fifth worldwide for digital asset adoption, so threat actors target it aggressively. WhatsApp is a nearly universal communication tool, making it a perfect vector for this kind of attack. Both occasional crypto users and dedicated crypto pur traders risk compromise with malicious overlays harvesting login details in real time while remaining largely invisible.
Best Practices: How to Protect Crypto and Bank Accounts
- Never click unexpected links: Even from people you know.
- Verify via another app: If a WhatsApp friend sends a “weird” link, message them somewhere else first to confirm.
- Keep all apps and your OS updated: Patches can close vulnerabilities used by worms and trojans.
- Enable two-step authentication: On WhatsApp and any financial/crypto apps you use.
- Use anti-virus tools: They may catch or warn about active infections.
- If compromised, act fast: Freeze your accounts, alert your banks/exchanges, and report the hack.
What to Do If Hacked
Immediately freeze all affected banking and crypto accounts. Track suspicious transfers and share details with your exchange or financial service, and law enforcement. Sometimes, quick reporting enables authorities to recover or freeze stolen funds.
Conclusion
This WhatsApp-based “worm and stealer” campaign is a stark reminder that even familiar, trusted communication platforms can be weaponized against the blockchain technology community. Caution, rapid response, and continuous security education are essential tools for anyone serious about protecting their assets and remaining an informed member of the crypto news and crypto pur world.

