An Annoying Trojan

About 2 days ago, I started getting AVG pop-ups saying that it detects a trojan virus. In fact, here's the exact text:

Threat Detected!
While opening file C:/WINDOWS/csrss.exe
Trojan Horse Generic11.EXV

I have tried to Heal and Move To Vault, but this prompt keeps popping up every 5-10 minutes. No matter what I do, I'm unable to get rid of it.

I tried dumping my temporary internet files, I've tried running the full AVG virus scan and I've run spyware removal programs. On two different occasions, it worked, but several hours later, it started coming back again. So, I then did a system restore, but the trojan horse still keeps plaguing me.

Any help would be appreciated.

Thanks.

 

Welcome to TSG

Please click Here to download HijackThis to your desktop.

Click the Download button. When the Trend Micro HJT install box appears, double click on the HJTInstall.exe. Click on Install.

It will be installed by default here: C:\Program Files\Trend Micro\HijackThis

A shortcut to the application will also be placed on your Desktop.

The program will open automatically after installation.

You can double-click the icon that was placed on the Desktop to run subsequent HijackThis scans or you can use the icon inside the folder. The folder HijackThis is where you will find the HJT logs that you save. When you use the application to remove anything, you will also find the backup copies made by HJT inside this folder.

Close all other windows except HijackThis.

Click on "Do a system scan and save logfile" When the log pops up in Notepad, copy and paste that file back here.

Do NOT have HijackThis fix anything yet. Most of what it finds will be harmless or even required.