There are plenty of removal options if you do a search for its removal.
Following the instructions on this site should help you:
On 1 site I see
Also, many victims said :”Malwarebytes, Stinger, Mcafee, AVG, Norton, TDSSKiller and others don’t even find the malware”
The top bleeping computer link says to use tdsskiller but second quote says it fails to find it. That seems to imply something new added.
Where was the trojan found? that is in what folder and file?
If it's Alureon.A then it's not an easy one to remove, because it's a bootkit. That means your MBR and BCD has probably been changed.
Read these, in order :
The advice in the Microsoft threads is about the best you're going to get. Read everything first so you know what you're dealing with. TDSSKiller is probably your best first choice but the articles and posts note other things you may need to do.
This is malware, so the thread has been moved to Security Awareness / Malware Discussion / Home User Assistance.
Marking this thread as 'Assumed Answered', as there has been no further correspondence since 2012.