trojan horse backdoor.beastdoor.fe help!

hi im not really sure where this post should go so i thought ill put it ere sorry if it aint supposed to be. My computer has this virus called "trojan horse backdoor.beastdoor.fe" i use AVG and it cant get rid of it. I cant even move it to the virus vault its in the file C:\WINDOWS\system32.comdlg.dll does any one know how i could get rid of it? plz i need to get rid of it i hate it being there . AVG was healing it but now it doesnt no more plz if someone could help me out and tell me how to get rid of i would be very happy plz. Thank u...

Toruxxx

 

I looked in AVG site and cant find 'trojan horse backdoor.beastdoor.fe' in their virus encyclopedia.
Does that mean AVG cant catch it?

 

i also did that to so i guess it does mean they cant do nothing it sux

 

See if this site helps http://securityresponse.symantec.com/avcenter/venc/data/backdoor.beasty.family.html

 

woohoo ^_^ its gone hehe thank u everyone who posted bk i didnt actually do it my bro did but he got the info from one of ur guys post websites u said to get rid of thx again.