Sophos

Troj/Poison-AG

Aliases
  • Backdoor.Win32.Agent.mrv
  • BDS/Poison.CPD
  • Backdoor:Win32/Poisonivy.E
Category
Type
What to do
Prevalence low high

Summary

 
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Protection available since 10 October 2008 23:31:18 (GMT)
Last updated 11 October 2008 15:49:07 (GMT)
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Action

More Information

Troj/Poison-AG is an IRC backdoor Trojan for the Windows platform.

When Troj/Poison-AG is installed the following files are created:

<Temp>\tm32.dll
<Temp>\tm32.exe
<Windows>\t.bat
<System>\x32.exe

The following registry entries are created to run tm32.exe and x32.exe on startup:

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Application Layer Gateway Service
<System>\x32.exe

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Service Host
<Temp>\tm32.exe

HKLM\SOFTWARE\Microsoft\Active Setup\Installed Components\{B13DF0A7-2B8C-16F7-8500-FD2DA867C5A4}
StubPath
<System>\x32.exe

The following registry entries are set:

HKLM\SOFTWARE\Microsoft\Ole
EnableDCOM
N

HKLM\SYSTEM\CurrentControlSet\Control\Lsa
restrictanonymous
2

HKLM\SYSTEM\CurrentControlSet\Services\NetBT\Parameters
TransportBindName
<no value - any existing value is deleted>

HKLM\SYSTEM\CurrentControlSet\Services\lanmanserver\DefaultSecurity
PreviousAnonymousRestriction
1

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