Sophos

Troj/Bdoor-GP

Aliases
  • Backdoor.Win32.Coldfusion.f
  • BackDoor-AOP
Category
Type
What to do
Prevalence low high

Summary

 
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Included in our products from May 2005 (3.93)
Protection available since 4 April 2005 21:44:59 (GMT)
Detected by All Sophos products

Action

More Information

Troj/Bdoor-GP is a backdoor Trojan for the Windows platform that provides an
unauthorised remote access to the infected computer.

Once executed Troj/Bdoor-GP copies itself to the Windows system folder with
the filename userinit.exe , and creates following executables in the Windows
and Windows system folders respectively:

keyboard_enum.exe
sound_drive16.exe

and

iexpress32.exe
www.microsoft.com

In order to be able to run automatically when Windows starts up Troj/Bdoor-GP
sets the registry entries:

HKLM\Software\Microsoft\Windows\CurrentVersion\Run\
keyboard_enum
"keyboard_enum.exe"

HKLM\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\
Shell
"Explorer.exe sound_drive16.exe"

Also Troj/Bdoor-GP may create a number of the log and data files including
following:

%CLSID1%.%CLSID2%.crmlog where CLSID1, CLSID2 are CLSID identification numbers
and
ex050403.log

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