Avast! Security Center

when I enter my login and tightness in my clan my antivirus Avast sends this mess

http://www.avast.com/pt-br/lp-security-information-fp?p_ext=0&utm_campaign=Virus_alert&utm_source=prg_fav_60_0&utm_medium=prg_systray&utm_content=.%2Ffa%2Fpt-br%2Fvirus-alert-default2&p_vir=js:Redirector-KP%20[Trj]&p_prc=file://C:\Program%20Files\Google\Chrome\Application\chrome.exe&p_obj=http://clan.z8games.com/script/js_match_new.js|%3E{gzip}&p_var=.%2Ffa%2Fpt-br%2Fvirus-alert-default2&p_pro=0&p_vep=6&p_ves=0&p_lqa=0&p_lsu=24&p_lst=0&p_lex=58&p_lng=pt&p_lid=pt-br&p_elm=7&p_vbd=1367