In [url-http://forums.avg.com/us-en/avg-forums?sec=thread&act=show&id=219201#post_219201]your post at the AVG forum, you were instructed to follow the instructions at " How To Handle Suspicious False Positive Detection?". If you did as they instructed, they WILL get back to you.
You stated you didn't know if Tee Support could be trusted. Personally, I would say, "NO!!". Not only does Web of Trust (WOT) indicate they have a poor reputation, they have made a habit of spamming these forums. Have a look at WOT's report for Tee Support and read the comments made. I'd shy away from this paid service.
You haven't mentioned where the trojan was supposed to be located. You have the option of uploading the file to VirusTotal while you're waiting for AVG to get back to you. They're a free service which analyzes suspicious files. You can read more about them here.
It would be in your best interest to wait for AVG to get back to you. You also might want to consider installing WOT. It's free and a very helpful browsing tool.
Best of luck..
A few days ago, AVG Free detected 'Trojan horse Agent3.CGQC' which was said to be secured, but was re detected with every scan, House call, MSE, Avast and Malwarebytes detected nothing, and then another virus named 'Trojan horse Agent3.CHDH' appeared, which was immediatly moved to the virus vault. I contacted AVG but they have not replied, 'teesupport' told me the the CHDH virus was genuine, but when I did a simple google search, numerous 'Steam' users had the same virus, saying it was only a 'false positive' and was nothing to worry about.. I've updated my AVG and now it detects nothing! I ran a boot time scan also from avast, which detected nothing.. TeeSupport have told me the virus is genuine, but other forums and wider users have said otherwise... I'm not really sure if I can trust TeeSupport anymore!
Are these genuine viruses? please help! Complete computer noob here, also a student, so I haven't used any paid services :s