Win32/AgentBypass.gen!K detected, help

Hello,
I am infected with a Torjan since yesterday and I can not remove it.
Detected with Windows Defender, here is the background:

Category:
Trojan

Description:
This program is dangerous and it attacks the computer on which it runs.

Tip:
Remove this software immediately.

Resources:
process:
pid: 2588

file:
C:\WINDOWS\system32\optyhww1.dll

file:
C:\WINDOWS\system32\optyhww0.dll

containerfile:
C:\WINDOWS\system32\optyhww1.dll

containerfile:
C:\WINDOWS\system32\optyhww0.dll

With avast, I find a file named C:\qs.exe

I am a novice, therefore thank you in advance for Results.

Downloads Random's System Information Tool (RSiT) by random / random and saves it on your desktop.

• Double-click your "RSIT.exe.
• in the window that will open selected for 1 month for the option "List files / folders created ..." ,
• then click "Continue" to begin the analysis ...

Every process has a file associated with his name, so Windows Defender should detect a file too. If not, this might be an issue with Windows Defender. Please check Windows Defender logs for details.

I just did a little research and found that Malwarebytes should remove your crafty Trojan. You can get a free copy here http://www.malwarebytes.org/mbam.php Download it, install it, update it and do a quick scan first. Follow any removal instructions suggested.
Do a full scan to make sure it's all cleared up. It might take a while so be prepared.