one week ago my computer (backdoor.win32.ircbot.aod) was infected by a virus. the virus sent online people "name@hotmail.com" exe file automatically. after that i cannot see my chat files. when i open files i see an empty page. how can i see again my chats? i uninstall Messenger Plus live and install again but it does not change. and i delete the virus. please help me, i have very important things in these files