folder are changed into system files

[tabish3]

hi friends my computer was infected by infostealer.yahmali virus which i'd removed with norton now i m facing anew problem the folder which was infected by that virus are being treated as system files folder wiondow hide them plz tell me how ca i revert them i m unable to uncheck the hidden option in propertiies of folder it is check marked by windows i want my foder back

[Spartan Erik]

Have you tried scanning in safe mode?