Trojan hijack?

I have a medium threat trojan which i cannot get rid of. it has taken over my media player, and any updates for my anti virus,ad-aware,and spyware. Do you know any free downloads to get rid of my trojan.

Trojan hijack?photoshop

All of these are free. I like ewido the best.

Spybots search and Destroy http://www.download.com/3000-8022-101221...

adaware se%26gt; http://www.download.com/Ad-Aware-SE-Pers...

http://www.webroot.com/land/freescan.php

a-squared Free%26gt; http://www.emsisoft.com/en/software/free...

http://housecall.antivirus.com/housecall...

http://housecall65.trendmicro.com/

X -Cleaner Micro Edition scan http://www.spywareguide.com/onlinescan.p...

http://www.kaspersky.com/virusscanner

http://www.windowsecurity.com/trojanscan...

http://www.bitdefender.com/scan8/ie.html

http://www.pandasoftware.com/products/ac...

http://www3.ca.com/securityadvisor/virus...

http://www.javacoolsoftware.com/spywareb...

Spywareguard too.

http://www.javacoolsoftware.com/spywareg...

http://www.ewido.net/en/onlinescan/

Get free anti virus for free click here.

http://free.grisoft.com/doc/1

http://avast.com

Trojan hijack?symatec

Free Anti-Adware/Malware/Spyware protection: