Troj/Prorat-H

Please follow the instructions for removing Trojans.

You will also need to edit the following registry entries, if they are present. Please read the warning about editing the registry.

At the taskbar, click Start|Run. Type 'Regedit' and press Return. The registry editor opens.

Before you edit the registry, you should make a backup. On the 'Registry' menu, click 'Export Registry File'. In the 'Export range' panel, click 'All', then save your registry as Backup.

Locate the HKEY_CURRENT_USER entry:

HKCU\Software\Microsoft DirectX\

and delete it if it exists.

Locate the HKEY_LOCAL_MACHINE entry:

HKLM\Software\Microsoft\Active Setup\Installed Components\
(BTT9AE78-87RT-11dW-2944-FF034297)\

and, if present, delete it and all sub-entries.

Locate the HKEY_LOCAL_MACHINE entry:

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\
Explorer\Run\Microsoft DirectX Diagnostic Tool=C:\WINDOWS\dxdiag.exe

and delete it if it exists.

Locate the HKEY_LOCAL_MACHINE entry:

HKLM\Software\Microsoft\Windows\CurrentVersion\policies\Explorer\

and delete any entries, or sub-entries, that refer to any file that you deleted.

Locate the HKEY_LOCAL_MACHINE entry:

HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\shell

it should contain a reference to explorer.exe (or possibly NALWIN32.exe if you are using NetWare) only. Remove any reference to any file you deleted. You may need to replace the reference to explorer.exe.

Close the registry editor.

• Delete the log files _fps.dat, _mps.dat, _key.dat and _pnc.dat.
• Change any data that may have become compromised.
• Change any passwords that may have become compromised.

The Trojan attempts to download additional components from a remote site.

When first run, Troj/Prorat-H copies itself into: %Windows%\_dxdiag.exe%system32%\_dxdiag.exe

The Trojan also drops additional executable files into the system32 folder:

_mps.exe, _fps.exe, _icq.dll, _key.dll, _pnc.exe

The information stolen by above executable will be stored in following log files:

_fps.dat, _mps.dat, _key.dat, _pnc.dat

In order to run automatically when Windows starts up Troj/Prorat-H creates the following registry entries:

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\
Explorer\Run\Microsoft DirectX Diagnostic Tool=C:\WINDOWS\dxdiag.exe

HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\
Shell=Explorer.exe C:\WINDOWS\dxdiag.exe.

Troj/Prorat-H creates or modifies several registry entries under:

HKCU\Software\Microsoft DirectX\
HKLM\Software\Microsoft\Active Setup\Installed Components\
(BTT9AE78-87RT-11dW-2944-FF034297)\
HKLM\Software\Microsoft\Windows\CurrentVersion\policies\Explorer\