FreeVPN.One Chrome Extension Caught Secretly Spying on Users With Unauthorized Screenshots

Security researchers are warning users against relying on free VPN services after uncovering alarming surveillance practices linked to a popular Chrome extension. The extension in question, FreeVPN.One, has been downloaded over 100,000 times from the Chrome Web Store and even carried a “featured” badge, which typically indicates compliance with recommended standards. Despite this appearance of legitimacy, the tool was found to be secretly spying on its users.  

FreeVPN.One was taking screenshots just over a second after a webpage loaded and sending them to a remote server. These screenshots also included the page URL, tab ID, and a unique identifier for each user, effectively allowing the developers to monitor browsing activity in detail. While the extension’s privacy policy referenced an AI threat detection feature that could upload specific data, Koi’s analysis revealed that the extension was capturing screenshots indiscriminately, regardless of user activity or security scanning. 

The situation became even more concerning when the researchers found that FreeVPN.One was also collecting geolocation and device information along with the screenshots. Recent updates to the extension introduced AES-256-GCM encryption with RSA key wrapping, making the transmission of this data significantly more difficult to detect. Koi’s findings suggest that this surveillance behavior began in April following an update that allowed the extension to access every website a user visited. By July 17, the silent screenshot feature and location tr

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