They pushed this extension down to most users without warning.
Looks very suspicious and the first time I saw it I clicked Remove immediately. After all a weird extension name that I knew I hadn’t installed with an all caps Lewis Carol quote seems like some kind of malware. For a while I was thinking of uninstalling Firefox because if malware extensions are going to appear without any user action or notification it must be horribly insecure.
After investigating a bit and learning it was not malware simply a Firefox team error, so I clicked the More link.
Two observations, this is a handy list of the incompetent people who did this incredibly stupid act so other companies know not to hire them. Second observation it’s been out for a whole day and the Firefox team hasn’t fixed this yet, not good. Frankly if I didn’t love NoScript I’d dump Firefox since it is not any faster than Chrome in any usage or testing I’ve done.
Paul Hutchinson's Blog 