Update database URLs.
UPDATE wp_options SET option_value = replace(option_value, 'SITE_ANTIGO_AQUI', 'SITE_NOVO_AQUI') WHERE option_name = 'home' OR option_name = 'siteurl';
UPDATE wp_posts SET guid = REPLACE (guid, 'SITE_ANTIGO_AQUI', 'SITE_NOVO_AQUI');
UPDATE wp_posts SET post_content = REPLACE (post_content, 'SITE_ANTIGO_AQUI', 'SITE_NOVO_AQUI');
UPDATE wp_posts SET post_content = REPLACE (post_content, 'src="SITE_ANTIGO_AQUI', 'src="SITE_NOVO_AQUI');
UPDATE wp_posts SET guid = REPLACE (guid, 'SITE_ANTIGO_AQUI', 'SITE_NOVO_AQUI') WHERE post_type = 'attachment';