17 malicious GhostPoster browser extensions found in Chrome, Firefox, and Edge have accumulated 840,000 installs, employing hidden JavaScript for tracking, ad fraud, and backdoor access. These extensions, initially reported in December, include popular ones like “Google Translate in Right Click” and “Ads Block Ultimate.” They originated on Microsoft Edge and spread to other browsers, with some active since 2020. Recent variants show advanced evasion tactics, but affected users remain at risk even after removals from stores.
Malicious GhostPoster Browser Extensions Found With 840,000 Installs
