high
Summary
Summary
Action- More Information
| How it spreads |
|
|---|---|
| Affected operating systems | Windows |
| Characteristics |
|
| Included in our products from | February 2006 (4.02) |
| Protection available since | 30 December 2005 09:53:46 (GMT) |
| Detected by | All Sophos products |
Action
- Summary
- Action
- More Information
Please contact technical support.
More Information
W32/Brontok-L is an email worm for the Windows platform.
W32/Brontok-L attempts to send itself to email addresses harvested from the computer. The worm will also attempt to modify various Windows Explorer settings. W32/Brontok-L is an email worm for the Windows platform.
W32/Brontok-L attempts to send itself to email addresses harvested from the computer. The worm will also attempt to modify various Windows Explorer settings.
When first run W32/Brontok-L copies itself to:
<User>\Local Settings\Application Data\br6591on.exe
<User>\Local Settings\Application Data\csrss.exe
<User>\Local Settings\Application Data\inetinfo.exe
<User>\Local Settings\Application Data\lsass.exe
<User>\Local Settings\Application Data\services.exe
<User>\Local Settings\Application Data\smss.exe
<Windows>\KesenjanganSosial.exe
<Windows>\ShellNew\RakyatKelaparan.exe
<System>\cmd-brontok.exe
The following registry entries are created to run br6591on.exe and RakyatKelaparan.exe on startup:
HKCU\Software\Microsoft\Windows\CurrentVersion\Run
Tok-Cirrhatus-2784
<User>\Local Settings\Application Data\br6591on.exe
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Bron-Spizaetus
<Windows>\ShellNew\RakyatKelaparan.exe
The following registry entry is changed to run KesenjanganSosial.exe on startup:
HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
Shell
Explorer.exe "<Windows>\KesenjanganSosial.exe"
(the default value for this registry entry is "Explorer.exe" which causes the Microsoft file <Windows>\Explorer.exe to be run on startup).
The following registry entry is set, disabling the registry editor (regedit):
HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System
DisableRegistryTools
1
Registry entries are set as follows:
HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer
NoFolderOptions
1
HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System
DisableCMD
0
HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced
Hidden
0
HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced
HideFileExt
1
HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced
ShowSuperHidden
0
|
