problem please reply cant remove trojan

hi ive just installed the comodo free version of internet security anti virus and firewall version 3.13. the problem being i done a full scan and it picked up the following backdoor win 32.refpron so i clicked remove and doneanorther scan but it still picked it yp. how can i delete this so it wont pick it up again. im running windows xp home. hope some 1 can help me here.

I moved your topic to Virus/Malware Removal Assistance board.

Now follow What to do if you’re infected - eXPerience Rev.3 and report back as instructed.

Please try scanning with some of the programs in this list:
What You Need To Know About Removing Infections and Securing Your Computer

here is the hijack log file

[attachment deleted by admin]

Hi Pcfan,

Can you please tell us what problems you are experiencing on your system?
And what actions you have already taken?

I merged two topics and I deleted the other topics he made regarding this HJT log.

Did you try to restart? if not try it

Try to run malwarebytes and GMER.

whats gmr. oh i run cc cleaner and then comodo again this time the trojan dident show up thx god but again thx 4 all the help and sorry bout all the posts just i thought my posts would av been missed thats all

You can find GMER on www.gmer.net it’s a anti-rootkit scanner.