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AI-powered Dolphin X Malware Ranks Victims for Cybercriminals: How to Protect Your Data

23 July 2026

Researchers at Varonis Threat Labs have identified a new Windows infostealer and remote access trojan called Dolphin X, which utilizes an AI-powered profiling system to help cybercriminals target valuable victims.
The malware targets over 300 applications, stealing sensitive data like cryptocurrency wallets, SSH keys, and more.
The standout feature of Dolphin X is an "AI Profiler" that ranks infected users based on various factors.
Attackers receive daily rankings to identify high-value users efficiently.
The malware's operator panel lists 329 features across ten categories, with a focus on targeting credentials from various applications.
Varonis recommends keeping long-lived credentials off disk and focusing on behavior detection rather than file signatures to defend against such threats.