How can I block Smallgreatfreechecknowliteflash.icu Flash Player Alerts?

Smallgreatfreechecknowliteflash.icu – What is it? Smallgreatfreechecknowliteflash.icu messages are the outcome of severe computer threat activity. This is most likely to be adware or browser hijacker. Notifications with such information: “Flash Player is out of date. Download an updated version.” are a part of deceiving technique.