How does the ClickFix campaign use fake Windows updates?

ClickFix disguises malware as a Windows update prompt, tricking users into executing commands that download infostealer malware.

What kind of data can be stolen by fake Windows update malware?

The malware, often an infostealer, can steal passwords, cookies, and other sensitive data from your computer.

How can I protect myself from fake Windows update scams?

Never paste commands from webpages into Run or other command tools, and always verify updates through official Windows Settings.

Home / Technology / Fake Windows Update Scams Steal Your Data

Fake Windows Update Scams Steal Your Data

14 Dec, 2025

•

Summary

Cybercriminals now impersonate Windows updates to trick users.
Malware is downloaded when users paste commands into Run.
Infostealers harvest passwords and sensitive data from infected machines.

Fake Windows Update Scams Steal Your Data

A sophisticated cyber threat, dubbed the ClickFix campaign, is now leveraging fake Windows update screens to deploy malware. Attackers present a convincing facade, complete with progress bars, that prompts users to execute commands. This action, intended to trick users into believing they are performing a critical update, instead downloads malicious software designed to steal sensitive information.

The malware operates stealthily, often using techniques like steganography to hide within image files and injecting code directly into trusted Windows processes. This in-memory execution bypasses traditional file-scanning security measures, making detection difficult. The ultimate goal is to steal passwords, cookies, and other credentials, compromising user accounts and personal data.

To combat these evolving threats, users are advised to exercise extreme caution with any unexpected prompts requesting command execution. Real system updates originate from official channels, not webpages. Employing robust antivirus software with behavioral detection and utilizing password managers can significantly enhance protection against such deceptive cyberattacks.