trojan virus

Try Avast! 4.8 Anti-virus Home edition for free, it removes all types of viruses, this includes:
Rootkit
Virus
Spyware
Trojan
Worm
Backdoor
and sometimes may detect Hacking tools/Keygens.
NOTE: Avast! Home edition is free, but you must activate it for free for a year by clicking here or after 60 days it will shut itself out so you cannot start it.

Hi

Which OS are you using? Have you backed up all you data? Do you have a real-time anti-virus? What's your internet connection speed?

You can get the F-secure OR AntiVir rescue disk from here:
F-secure disk is 150mg, AntiVir is 50mb
http://www.f-secure.com/linux-weblog/2008/06/19/f-secure-rescue-cd-300-r...
http://www.free-av.com/en/tools/12/avira_antivir_rescue_system.html

Then you can get:
1. SUPERAntiSpyware free
http://www.superantispyware.com/superantispywarefreevspro.html
Go the Preferences, Scanning Control, Scanner Options, make everything unticked except for the bottom six (Scan Alternative Data Streams to Display Scan Option in Explorer Context menu) and check "Scan for tracking Cookies" and "Resolve Links/Shortcuts during scan (.Ink)

2. Malwarebytes' Anti-Malware free
http://www.majorgeeks.com/Malwarebytes_Anti-Malware_d5756.html

3. Panda Anti-rootkit
http://www.download.com/Panda-Anti-Rootkit/3000-8022_4-10717196.html?par...
Check In-depth Scan (You must restart your system) then Scan

4. F-secure Blacklight
http://www.f-secure.com/security_center/

5. Trend Micro Rootkit Buster
http://www.trendmicro.com/download/rbuster.asp

Update and full scan 1 to 5

how I ken remove trojan from my drive C;