Troj/Bdoor-YP

Please follow the instructions for removing Trojans.

Windows NT/2000/XP/2003

In Windows NT/2000/XP/2003 you will also need to edit the following registry entry. The removal of this entry is optional in Windows 95/98/Me. 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_LOCAL_MACHINE entry:

HKLM\Software\Microsoft\Windows\CurrentVersion\Run\
vssms32
<System>\vssms32.exe

and delete it if it exists.

Close the registry editor.

Troj/Bdoor-YP is a Trojan for the Windows platform.

Troj/Bdoor-YP also attempts to install the Trojans Troj/Mpass-B and
Troj/LdPinch-IP. Troj/Bdoor-YP is a Trojan for the Windows platform.

When first run Troj/Bdoor-YP copies itself to <System>\vssms32.exe and
creates the following files:

<Windows>\hkr32.asm
<System>\ldapi32.exe
<System>\ntcvx32.dll
<System>\ntswrl32.dll

The following registry entry is created to run vssms32.exe on startup:

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
vssms32
<System>\vssms32.exe

The following registry entries are set, affecting internet security:

HKLM\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\
FirewallPolicy\StandardProfile\AuthorizedApplications\List\
<Windows>\System32
vssms32.exe
<System>\vssms32.exe:*:Enabled:Dnode

Registry entries are created under:

HKCU\Software\

Troj/Bdoor-YP also attempts to install the Trojans Troj/Mpass-B and
Troj/LdPinch-IP.