WhatsApp Worm Spreads Astaroth Banking Trojan Across Brazil via Contact Auto-Messaging

Cybersecurity researchers have disclosed details of a new campaign that uses WhatsApp as a distribution vector for a Windows banking trojan called Astaroth in attacks targeting Brazil. The campaign has been codenamed Boto Cor-de-Rosa by Acronis Threat Research Unit. "The malware retrieves the victim's WhatsApp contact list and automatically sends malicious messages to each contact to further