This trojan allows others to access the computer, drops more malware, installs itself in the Registry.
For check your PC, Download HijackThis and save the file to your desktop.
Double click on the file to extract it to it’s own folder on the desktop.
Now you need to run HijackThis and click “Do a system scan only”. If your found any simulat entry
O20 – Winlogon Notify: pptp32 – C:\WINDOWS\SYSTEM32\pptp32.dll
O20 – Winlogon Notify: avpe32 – C:\WINDOWS\SYSTEM32\avpe32.dll
then you have HaxDoor trojan infection!
For remove the serious infection, please follow these instructions step by step.
Download haxfix.exe. Save it to your desktop.
Double click on haxfix.exe to install haxfix. (standard installation path is c:\program Files\haxfix)
Checkmark “Create a desktop icon”.
When the installation is completed, make sure that the checkmark “Launch HaxFix” is placed.
A red “dos window” (dos box) will open.
Select option 2. Run auto fix by typing 2, and then pressing Enter.
If an infection is found, you’ll get a message to close all other open windows.
Close them, except the red dos window from haxfix and then press Enter.
The computer will reboot.
Haxdoor can drops more malware, also if you are still having problems with your PC , then please follow the steps outlined in the topic linked below Spyware removal – Read Before Posting