Sophos

W32/Rbot-BSD

Aliases
  • Backdoor.Win32.SdBot.als
  • W32/Sdbot.worm.gen.bq
Category
Type
What to do
Prevalence low high

Summary

 
How it spreads
  • Network shares
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Protection available since 24 January 2006 05:25:25 (GMT)
Last updated 24 January 2006 15:25:14 (GMT)
Detected by All Sophos products
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Action

More Information

W32/Rbot-BSD is a worm for the Windows platform.

When W32/Rbot-BSD is installed it copies itself to <Windows>\win32ssr.exe.

The file win32ssr.exes is registered as a new system driver service named "Win32Sr", with a display name of "Platform SDK Enviroment" and a startup type of automatic, so that it is started automatically during system startup. Registry entries are created under:

HKLM\SYSTEM\CurrentControlSet\Services\Win32Sr\
HKLM\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_WIN32SR\

The following registry entries are set:

HKLM\SOFTWARE\Microsoft\Security Center
AntiVirusDisableNotify
1

HKLM\SOFTWARE\Microsoft\Security Center
AntiVirusOverride
1

HKLM\SOFTWARE\Microsoft\Security Center
FirewallDisableNotify
1

HKLM\SOFTWARE\Microsoft\Security Center
FirewallOverride
1

HKLM\SOFTWARE\Microsoft\Security Center
UpdatesDisableNotify
1

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate\Auto Update
AUOptions
1

HKLM\SOFTWARE\Policies\Microsoft\WindowsFirewall\DomainProfile
EnableFirewall
0

HKLM\SOFTWARE\Policies\Microsoft\WindowsFirewall\StandardProfile
EnableFirewall
0

HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate
DoNotAllowXPSP2
1

HKLM\SYSTEM\CurrentControlSet\Services\lanmanserver\parameters
AutoShareServer
0

HKLM\SYSTEM\CurrentControlSet\Services\lanmanserver\parameters
AutoShareWks
0

HKLM\SYSTEM\CurrentControlSet\Services\lanmanworkstation\parameters
AutoShareServer
0

HKLM\SYSTEM\CurrentControlSet\Services\lanmanworkstation\parameters
AutoShareWks
0

HKLM\SYSTEM\CurrentControlSet\Services\wscsvc
Start
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