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New Millenium RAT version infects 62,000 Windows systems worldwide

📅 26 June 2026 at 15:20 UTC📰 Cyber InsiderView original source ↗
New Millenium RAT version infects 62,000 Windows systems worldwide

A major evolution of the Millenium remote access trojan (RAT) has infected more than 62,000 Windows devices across over 160 countries while continuing to use Telegram bots for command-and-control. Group-IB examined Millenium RAT version 4.*, which it says represents a significant architectural shift from previous .NET-based releases. The researchers attribute active malware campaigns to a … The post New Millenium RAT version infects 62,000 Windows systems worldwide appeared first on CyberInsider.

🤖 AI BriefingAuto-generated threat analysis
🔍Threat Overview

Millennium RAT version 4.* has infected over 62,000 Windows devices worldwide, using Telegram bots for command-and-control and a malware-as-a-service model that makes it accessible to a wide range of threat actors.

⚙️Technical Details
Affected Systems
Windows devices
Attack Vectors
Social engineering lures (cracked software, cryptocurrency utilities, hacking toolkits, OSINT tools, exploit builders, and Roblox-related cheats)Malicious Windows shortcuts and PDF-themed lures
💥Impact Assessment
Severity: High
Who Is at Risk
Users of Windows devices worldwide
🛡️Recommended Actions
1Avoid executables from untrusted sources
2Apply security updates promptly
3Enable multi-factor authentication and monitor for unusual autorun registry entries and system-named processes executing from user-writable directories
📦Affected Products
Software: Windows devices

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