In January 2012, he signed a new contract with the C.S. Cartaginés. On 15 January 2012, Araúz made his official debut for Cartaginés in the opening match in the Summer 2012 playing 74 minutes in the victory 1-3 over San Carlos. On 22 January 2012, Araúz played in the first official match of Cartaginés in the Estadio Nacional de Costa Rica and substituted by José Sánchez at 56 minutes in the team's victory against tri-champion Alajuelense in the "Clasico Provincial". On 12 February 2012, he scoring his first official goal in the "Clasico Provincial" against Herediano at 45 minutes in week 7. At halftime, he picks up the ball with his chest on the edge of the box, shoot with the right leg and deviates in José Miguel Cubero for the 1x0. On 26 February 2012, scored his second goal for the club in week 10, was 0-1 against Santos de Guápiles, but the team would lose 3-2. On 18 April 2012, against Santos de Guápiles Araúz made the pass in the third goal for Pablo Brenes and in the fifth goal Araúz retrieves the ball, the Cartaginés made 5 passes and the play ends in a goal. The match would end 5-1. On 5 August 2012, score the third goal against the runner up Santos de Guapiles in the 6-0 victory, after a play between Erick Ponce and Pablo Brenes, the Mexican would make the center and Araúz would score a header in 59 minutes.