high
Summary
Summary
Action- More Information
| Affected operating systems | Windows |
|---|---|
| Characteristics |
|
| Protection available since | 4 January 2006 09:06:06 (GMT) |
| Last updated | 22 November 2006 23:59:17 (GMT) |
| Detected by | All Sophos products |
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Action
- Summary
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Please follow the instructions for removing worms.
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More Information
W32/Brontok-M is a worm for the Windows platform.
When first run W32/Brontok-M may copy itself to:
<User>\Local Settings\Application Data\br<4 random digits>on.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
<User>\Local Settings\Application Data\svchost.exe
<Windows>\ShellNew\bbm-qotkmgfc.exe
<Windows>\sembako-cfzjkmg.exe
<System>\cmd-bro-mkx.exe
and create the following file:
<System>\sistem.sys W32/Brontok-M is a worm for the Windows platform.
When first run W32/Brontok-M may copy itself to:
<User>\Local Settings\Application Data\br<4 random digits>on.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
<User>\Local Settings\Application Data\svchost.exe
<Windows>\ShellNew\bbm-qotkmgfc.exe
<Windows>\sembako-cfzjkmg.exe
<System>\cmd-bro-mkx.exe
and create the following file:
<System>\sistem.sys
The following registry entries are created to run br6591on.exe and bbm-qotkmgfc.exe on startup:
HKCU\Software\Microsoft\Windows\CurrentVersion\Run
Tok-Cirrhatus-<4 random digits>
<User>\Local Settings\Application Data\br<4 random digits>on.exe
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Bron-Spizaetus-cfgmktoq
<Windows>\ShellNew\bbm-qotkmgfc.exe
The following registry entry is changed to run sembako-cfzjkmg.exe on startup:
HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
Shell
Explorer.exe "<Windows>\sembako-cfzjkmg.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
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