Not the GP, but just last week Google automatically removed a single use extension (https://readermode.io) from my browser after flagging it as malware (as I recall the extension updated itself a day before the removal). The extension has also been taken down from the Chrome web store (https://chromewebstore.google.com/detail/reader-mode/llimhhc...) though Google hasn't provided any details about what it was doing that led to the removal.