Summary

Summary
Action
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| How it spreads |
|
|---|---|
| Affected operating systems | Windows |
| Characteristics |
|
| Protection available since | 14 October 2005 09:18:36 (GMT) |
| Detected by | All Sophos products |
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- Test your existing anti-virus protection
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Action

Summary
Action
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Please follow the instructions for removing worms.
More Information
W32/Forbot-GB is a worm and IRC backdoor Trojan for the Windows platform.
W32/Forbot-GB spreads to other network computers by exploiting common buffer overflow vulnerabilities, including PNP (MS05-039).
W32/Forbot-GB runs continuously in the background, providing a backdoor server which allows a remote intruder to gain access and control over the computer via IRC channels.
When first run W32/Forbot-GB copies itself to <System>\msdt32.exe.
The following registry entries are created to run msdt32.exe on startup:
HKCU\Software\Microsoft\Windows\CurrentVersion\Run
Norton Drive Protection
msdt32.exe
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Norton Drive Protection
msdt32.exe
HKCU\Software\Microsoft\Windows\CurrentVersion\RunOnce
Norton Drive Protection
msdt32.exe
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce
Norton Drive Protection
msdt32.exe
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
Norton Drive Protection
msdt32.exe
The file msdt32.exe is registered as a new file system driver service named "System Event Logs", with a display name of "Norton Drive Protection". Registry entries are created under:
HKLM\SYSTEM\CurrentControlSet\Services\System Event Logs\
