

The most obvious change end users noticed was that infected browsers were automatically issuing likes for large numbers of Instagram posts, with no input from users. “In simple words, the extension remotely checks whether you are using the extension dev tools-which is what you would do if you wanted to find out what the extension is doing,” he wrote. If it was opened, the extension sent a file titled "report" to a server at. The first thing Hill noticed the new extension doing was checking if the user had opened the developer console. Xu told me that Nano Adblocker and Nano Defender, which often are installed together, have about 300,000 installations total.įour days ago, Raymond Hill, maker of the uBlock Origin extension upon which Nano Adblocker is based, revealed that the new developers had rolled out updates that added malicious code.

Cyril GorllaHugo Xu, developer of the Nano Adblocker and Nano Defender extensions, said 17 days ago that he no longer had the time to maintain the project and had sold the rights to the versions available in Google’s Chrome Web Store.
