Indie game storeFree gamesFun gamesHorror games
Game developmentAssetsComics

It's Malware Bytes and it's not even reporting it as malware. This type of warning is an anomaly. It says it doesn't fit patterns. It's one of my least favorite alerts from the software because it misleads people that don't look into the actual warning.

Def see how Malware might be worried, considering what this app does. I haven't downloaded the app but maybe this will help you figure it out.

can i use task manager to stop the file

According to the readme, you can quit the goose by holding ESC for a few seconds.