THE Security Affairs Malware Newsletter Round 103, published by Pierluigi Paganini on June 28, 2026, features significant articles and research related to malware. Highlights include reports of the AryStinger botnet compromising over 4,000 legacy routers, a VBScript campaign on WhatsApp distributing RMM software, and insights on the Prinz Eugen ransomware.
Other notable topics cover supply chain compromises targeting plugins, the emergence of new backdoors potentially linked to ransomware, and disruption operations against various malware threats. The newsletter emphasizes the ever-evolving landscape of malware and cybersecurity challenges.