high
Summary
Summary
Action- More Information
| Affected operating systems | Windows |
|---|---|
| Characteristics |
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| Protection available since | 22 September 2004 09:36:21 (GMT) |
| Detected by | All Sophos products |
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Action
- Summary
- Action
- More Information
Please follow the instructions for removing worms.
Download and install the Microsoft patch mentioned above.
You will also need to edit the following registry entries, if they are present. Please read the warning about editing the registry.
At the taskbar, click Start|Run. Type 'Regedit' and press Return. The registry editor opens.
Before you edit the registry, you should make a backup. On the 'Registry' menu, click 'Export Registry File'. In the 'Export range' panel, click 'All', then save your registry as Backup.
Locate the HKEY_LOCAL_MACHINE entries:
HKLM\Software\Microsoft\Windows\CurrentVersion\Run
Microsoft IE = "IEXPLORE.EXE"
HKLM\Software\Microsoft\Windows\CurrentVersion\RunOnce
Microsoft IE = "IEXPLORE.EXE"
HKLM\Software\Microsoft\Windows\CurrentVersion\RunServices
Microsoft IE = "IEXPLORE.EXE"
HKLM\Software\Microsoft\Windows\CurrentVersion\Run
Microsoft IE = "IEXPLORE.EXE"
HKLM\Software\Microsoft\Windows\CurrentVersion\RunOnce
Microsoft IE = "IEXPLORE.EXE"
and delete them if they exist.
Close the registry editor.
More Information
W32/Forbot-AG is a worm and backdoor for the Windows platform.
The worm spread by exploiting operating system vulnerabilities and backdoors opened by other worms. The vulnerabilities exploited by W32/Forbot-AG are addressed by MS04-011.
The backdoor component contacts a predefined IRC server and waits for commands from a remote attacker. W32/Forbot-AG is a worm and backdoor for the Windows platform.
The worm spread by exploiting operating system vulnerabilities and backdoors opened by other worms. The vulnerabilities exploited by W32/Forbot-AG are addressed by MS04-011.
The backdoor component contacts a predefined IRC server and waits for commands from a remote attacker.
When run W32/Forbot-AG copies itself to the Windows system folder as IEXPLORE.EXE and creates the following registry entries:
HKLM\Software\Microsoft\Windows\CurrentVersion\Run
Microsoft IE = "IEXPLORE.EXE"
HKLM\Software\Microsoft\Windows\CurrentVersion\RunOnce
Microsoft IE = "IEXPLORE.EXE"
HKLM\Software\Microsoft\Windows\CurrentVersion\RunServices
Microsoft IE = "IEXPLORE.EXE"
HKLM\Software\Microsoft\Windows\CurrentVersion\Run
Microsoft IE = "IEXPLORE.EXE"
HKLM\Software\Microsoft\Windows\CurrentVersion\RunOnce
Microsoft IE = "IEXPLORE.EXE"
The worm also installs itself as a service named "Microsoft IE".
The backdoor component allows a remote attacker to control the infected computer and includes functionality to launch distributed denial of service attacks or act as a proxy server.
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