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New Malware Targets WhatsApp Web Users in Brazil

1/17/2026

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Summary

Story summary

Cybersecurity researchers warn of a malware campaign targeting WhatsApp Web users in Brazil using malicious ZIP (compressed) files.
The malware, named Boto Cor de Rosa, installs a banking trojan that steals credentials.
It sends malicious files to the user’s contacts through WhatsApp Web.
The campaign exploits WhatsApp Web to act as the user, and researchers advise avoiding unexpected attachments and enabling two-factor authentication.

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Story summary

Cybersecurity researchers warn of a malware campaign targeting WhatsApp Web users in Brazil using malicious ZIP (compressed) files.
The malware, named Boto Cor de Rosa, installs a banking trojan that steals credentials.
It sends malicious files to the user’s contacts through WhatsApp Web.
The campaign exploits WhatsApp Web to act as the user, and researchers advise avoiding unexpected attachments and enabling two-factor authentication.