Google has removed 32 malicious extensions from the Chrome Web Store after they were found to have been downloaded over 75 million times. These extensions could manipulate search results, display unwanted ads, and generate spam, presenting a serious risk to users. The warning comes from a security overview of popular browser add-ons and their potential impact on everyday browsing.
The hidden danger was uncovered by cybersecurity researcher Vladimir Palant, who conducted a two-month investigation. He found that these extensions included a covert feature capable of injecting arbitrary JavaScript into any website the user visits. Even more concerning, the injected code does not activate immediately; it remains dormant for 24 hours after installation before taking effect, making detection harder for typical users.
Among the most widely installed malicious extensions were Autoskip for YouTube, with about 9 million downloads; Soundboost, around 6.9 million; and Crystal Ad Block, approximately 6.8 million. User reports described redirections to unfamiliar websites, the display of deceptive search results, and an uptick in unwanted advertisements, all of which degrade the browsing experience and raise security concerns.
Google has confirmed the removal of these extensions from the Chrome Web Store. Nonetheless, users may still be exposed unless they proactively audit and clean their devices to remove any lingering extensions and associated permissions. Security researchers emphasize the importance of reviewing installed extensions, reading permission requests carefully, and applying the latest browser updates to reduce exposure to similar threats.
Additionally, a separate report from a technology site previously highlighted concerns about scams targeting job-seekers, noting that similar deceptive tactics can appear in various online environments. The recurring theme is clear: malicious software and fraud schemes adapt quickly to leverage popular platforms, underscoring the need for ongoing vigilance and robust digital hygiene across both consumers and organizations.