Beware: Deceptive Chrome Extensions Falsely Pose as Password Managers

Google Chrome extensions are extremely helpful, whether you aim to block advertisements, monitor the best deals, or enhance your browsing experience They can be obtained from the Chrome Web Store, similar to how applications work in the Play Store. Nonetheless, extensions are more susceptible to being replicated and transformed into harmful software than apps are.

As we recently reported, more than 3.2 million users fell prey to a security breach linked to 16 malicious browser extensions , emphasizing how attackers use seemingly legitimate tools to propagate malware or pilfer confidential information.

Currently, security experts have identified a shape-shifting assault enabling harmful Chrome extensions to morph into various browser add-ons such as password managers, cryptocurrency wallets, and banking applications with the intent of extracting confidential data.

Continue reading to understand how this assault operates and ways to safeguard yourself against it.

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Security researchers at SquareX Labs I have discovered a novel technique that enables harmful Chrome extensions to masquerade as reputable ones, such as password managers, cryptocurrency wallets, and financial applications, thereby facilitating the theft of confidential data. This “polymorphic” assault exploits vulnerabilities within Chrome’s extension framework to deceive users without drawing attention.

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The assault begins when attackers post what appears to be an innocuous add-on on the Chrome Web Store. This extension could include genuine functionalities, such as an AI-driven marketing utility, which helps persuade users to install and fix it within their browser interface.

After installation, the harmful extension examines the user's browser for additional installed extensions. This process occurs through two methods. Should it possess access to the "chrome.management" API, it obtains a direct listing of the installed extensions. However, if such permissions aren’t granted, it introduces scripts onto websites to identify specific files or assets associated with particular extensions.

When it identifies a specific target such as 1Password, the harmful extension communicates with a server controlled by attackers. Following this communication, the assailants instruct it to mimic the genuine extension by deactivating it when permitted, altering its title and symbol, and showing a counterfeit login pop-up that closely resembles the actual one.

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In order to obtain user login details, the harmful browser add-on initiates a counterfeit "Session Expired" notification whenever the target attempts to sign in to a site. It deceives them into believing they must enter their authentication information again for their password management tool or financial application. Once this occurs, the captured data gets dispatched directly to the perpetrators.

Once the necessary credentials have been obtained, the extension reverts to its initial state. By restoring the genuine extension, all appearances become typical again, ensuring the user remains unaware of any foul play. This highlights the significant threat posed by harmful Chrome extensions and underscores the necessity for enhanced security protocols to safeguard users effectively.

We contacted Google, and a representative informed CyberGuy, "We value the efforts of the research community, and we have received their report. We continuously invest in enhancing the security measures for the Chrome Web Store, and we address potential risks promptly upon being notified."

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Below are five methods to protect your private data and uphold your online privacy.

1. Ensure your web browser and add-ons are current: Obsolete software serves as a treasure trove for cybercriminals. Flaws or security loopholes in outdated editions of your web browsers or plugins can be leveraged to introduce harmful code, pilfer information, or seize control of your device. Software updates address these weaknesses, rendering them an essential safeguard. Enable automatic updating for your browser (such as Chrome, Firefox, or Edge) so you consistently operate with the most recent version effortlessly. For more details, check out my guide on this topic. staying current with updates for your gadgets and software applications for more information.

2. Download extensions exclusively from reputable sources: The official extension repositories such as the Chrome Web Store or Firefox Add-ons include checks and regulations designed to identify malicious entities, though these safeguards aren't infallible. Downloading add-ons from obscure sites or unverified sources significantly increases the risk of encountering harmful software like malware or spyware. Always obtain extensions directly through your browser’s official store; avoid installing them from dubious links.

3. Use robust antivirus protection: To protect yourself against harmful links that could lead to malware installation and unauthorized access to your sensitive data, installing antivirus software across all your gadgets is essential. Such protective measures can additionally warn you about phishing attempts and ransomware schemes, ensuring the security of both your personal details and online possessions. Check out my selections for the top 2025 antivirus protections for your Windows, Mac, Android, and iOS gadgets. .

4. Update your passwords: Update the passwords for any accounts that might have been impacted by the extension, ensuring you utilize distinct and robust passwords for every service. It would be beneficial to adopt a password manager. Such tools can assist you in creating and safeguarding strong, individualized passwords across all your platforms. For further information, visit my website. top-rated password managers according to experts for 2025 .

5. Spend money on personal data elimination services: Should your private details be compromised by an extension, it’s essential to take swift action to minimize the chances of falling victim to identity theft or fraud. Although no platform guarantees complete eradication of all your data online, utilizing a removal service can be highly beneficial if you aim to consistently oversee and automatize the task of eliminating your information across numerous websites over extended periods. Take a look at my recommended data removal services below. .

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The malicious extension highlights that Google isn’t doing enough to keep malware off its platform. Security researchers pointed out that the Chrome Web Store lacks protections against these types of attacks, such as blocking sudden changes to an extension’s icon or HTML, or at least alerting users when such changes occur. The problem isn’t limited to the Chrome Web Store. The Play Store also hosts malicious apps from time to time, affecting millions of users. Google needs to step up its security efforts and put user privacy front and center.

Do you have confidence in Google to prevent harmful applications and browser add-ons from appearing on its platforms? Share your thoughts with us by contacting us at Cyberguy.com/Contact.

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Original article source: Risky Chrome extensions imitate password managers