Esteghlal signed the 28-year-old player after he successfully passed a medical test.
Antonio de Moura Carvalho has played for Brazilian football clubs Botafogo, Duque de Caxias and ABC.
Also, Esteghlal international midfielder Javad Nekounam has said some Chinese and Qataris clubs are interested in signing him.
Last week Esteghlal defender Pejman Montazeri joined Umm Salal of Qatar.
Esteghlal stays top of the Iran Professional League and Persepolis trails its arch-rival by just one point.
Brazilian midfielder Antonio de Moura Carvalho nicknamed Toni joined Esteghlal football team until the end of the season for an undisclosed fee.
News ID 186006
