Ribeiro has been linked with Manchester United this season.
His agent Robson Ferreira confirmed the news, revealing there had been one offer from Germany, two from England and another, which remains undisclosed for the Cruzeiro star.
"Everton received official proposals to leave and his family are aware of this.
"Let's first talk with Cruzeiro who owns the federative rights of the player.
"As the club president said himself, Everton is the ace of the team and was the player who improved the most last season.
"He was elected by all national sports critics as the best Brazilian player and received the Golden Ball.
"He appreciates that he reached new heights last season."