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Written by Feb 5, 2026

security: New Clickfix variant ‘CrashFix’ deploying Python Remote Access Trojan

Feb 5, 2026

Microsoft reports a new ClickFix variant, “CrashFix,” that intentionally crashes browsers to trick users into running commands that install a Python-based remote access trojan (RAT). The campaign abuses built-in utilities (finger.exe) and a portable Python runtime to reduce detection and maintain persistence on targeted systems.

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