Sophos

Troj/VB-DZM

Aliases
  • Win32/VB.CWA
  • Backdoor.Win32.VB.dcr
Category
Type
What to do
Prevalence low high

Summary

 
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Protection available since 2 May 2008 18:06:06 (GMT)
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Action

More Information

Troj/VB-DZM is a Trojan for the Windows platform.

When Troj/VB-DZM is installed the following files are created:

<Windows>\Config\csrss.exe
<System>\mswinsck.ocx

crss.exe is also detected as Troj/VB-DZM.

The following registry entry is changed to run Troj/VB-DZM on startup:

HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
Shell
Explorer.exe <Windows>\Config\csrss.exe

The file mswinsck.ocx is registered as a COM object, creating registry entries under:

HKCR\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}
HKCR\CLSID\{248DD897-BB45-11CF-9ABC-0080C7E7B78D}
HKCR\Interface\{248DD892-BB45-11CF-9ABC-0080C7E7B78D}
HKCR\Interface\{248DD893-BB45-11CF-9ABC-0080C7E7B78D}
HKCR\TypeLib\{248DD890-BB45-11CF-9ABC-0080C7E7B78D}

Registry entries are set as follows:

HKCR\MSWinsock.Winsock.1\CLSID
(default)
{248DD896-BB45-11CF-9ABC-0080C7E7B78D}

HKCR\MSWinsock.Winsock\CLSID
(default)
{248DD896-BB45-11CF-9ABC-0080C7E7B78D}

Registry entries are created under:

HKCR\MSWinsock.Winsock

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