I like the simplicity of the addon, however I'd prefer to have a more direct form to take either partial or full screenshots, for example: find one of the options directly in the right-click menu instead of navigating through options, that way it would be quicker and more practical. Also, there should be a function to take snapshots of videos when right-clicking on them.
Malware "may be utilizing an extension like Tampermonkey to facilitate the injection of ads or other malicious behavior. This does not mean that Tampermonkey is malicious, but rather that a malicious program is utilizing a legitimate program for bad behavior."
Opera store and Chrome Webstore BETA versions are not affected.