high
Summary
Summary
Action- More Information
| How it spreads |
|
|---|---|
| Affected operating systems | Windows |
| Characteristics |
|
| Included in our products from | April 2008 (4.28) |
| Protection available since | 4 March 2008 07:39:36 (GMT) |
| Detected by | All Sophos products |
Action
- Summary
- Action
- More Information
Please follow the instructions for removing worms.
More Information
W32/Sdbot-DKD is a worm for the Windows platform.
W32/Sdbot-DKD runs continuously in the background, providing a backdoor server which allows a remote intruder to gain access and control over the computer.
W32/Sdbot-DKD includes functionality to access the internet and communicate with a remote server via HTTP.
When first run W32/Sdbot-DKD copies itself to <Windows>\svchost.exe.
The file <Windows>\svchost.exe is registered as a new system driver service named "Generic Host Process for Win-32 Service", with a display name of "Generic Host Process for Win-32 Service" and a startup type of automatic, so that it is started automatically during system startup. Registry entries are created under:
HKLM\SYSTEM\CurrentControlSet\Services\Generic Host Process for Win-32 Service
The following registry entries are set, disabling system software:
HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System
DisableTaskMgr
1
HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System
DisableRegistryTools
1
W32/Sdbot-DKD sets the following registry entries, disabling the automatic startup of other software:
HKLM\SYSTEM\CurrentControlSet\Services\Messenger
Start
4
HKLM\SYSTEM\CurrentControlSet\Services\RemoteRegistry
Start
4
HKLM\SYSTEM\CurrentControlSet\Services\TlntSvr
Start
4
Registry entries are set as follows:
HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
SFCScan
0
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\SOFTWARE\Microsoft\Ole
EnableDCOM
N
HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
SFCDisable
ffffff9d
HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
Shell
Explorer.exe %WINDIR%\svchost.exe
Registry entries are created under:
HKLM\SOFTWARE\Microsoft\Security Center
HKLM\SOFTWARE\Symantec\LiveUpdate Admin
|
