Cybersecurity researchers have identified a new technique called FileFix that manipulates users into executing malicious commands without software vulnerabilities. This method capitalizes on routine actions in Windows systems, particularly through clipboard manipulation from websites. FileFix uses a Windows File Explorer window to load a disguised PowerShell command, executed upon user pasting. Attackers are already testing it, indicating a shift towards real malware delivery. As social engineering techniques evolve, defenses become harder to implement, showing the urgent need for awareness and protective measures.
The rapid rise of the ClickFix technique in 2025 highlights that social engineering remains one of the most cost-effective and enduring methods cyber criminals use to breach defenses.
FileFix opens a Windows File Explorer window from a web page and surreptitiously loads a disguised PowerShell command into the clipboard, executing when pasted.
Threat actors are rapidly iterating to leverage foundational Windows workflows, making defenses that much harder to deploy and succeed in tricking users.
FileFix is already being tested and used in the wild mere days after its public disclosure, illustrating how quickly attackers adapt to the evolving cyber threat landscape.
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