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Troj/Bckdr-GPJ

Aliases
  • BackDoor-CKB.dll
Category
Type
What to do
Prevalence low high

Summary

 
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Protection available since 28 March 2006 05:33:49 (GMT)
Detected by All Sophos products
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Action

More Information

Troj/Bckdr-GPJ is a backdoor Trojan for the Windows platform.

When run Troj/Bckdr-GPJ creates the following files:

<System>\Zcjflmoj.dll
<System>\Zcjflmoj.drv
<System>\Zcjflmoj.sys

These files are also detected as Troj/Bckdr-GPJ. The file <System>\Zcjflmoj.sys is a kernel driver rootkit that will attempt to hide registry entries, filenames, folder names, processes and services with the name "Zcjflmoj".

When run Troj/Bckdr-GPJ may create the following registry entries to run itself on startup:

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Zcjflmoj
<path to Trojan executable>

The file Zcjflmoj.sys is registered as a new system driver service named "Zcjflmoj" with a display name of "Zcjflmoj" and a startup type of automatic, so that it is started automatically during system startup. Registry entries are created under:

HKLM\SYSTEM\CurrentControlSet\Services\Zcjflmoj

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