Summary

Summary
Action
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| How it spreads |
|
|---|---|
| Affected operating systems | Windows |
| Characteristics |
|
| Protection available since | 2 September 2005 13:10:56 (GMT) |
| Last updated | 11 October 2005 19:50:10 (GMT) |
| Detected by | All Sophos products |
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Action

Summary
Action
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Please follow the instructions for removing worms.
Please read the instructions for removing W32/Rbot-AMN.
More Information
W32/Rbot-AMN is a network worm and IRC backdoor Trojan for the Windows platform.
W32/Rbot-AMN spreads:
- to other network computers infected with: Troj/Kuang, Troj/Sub7, Troj/NetDevil, W32/MyDoom, W32/Bagle and Troj/Optix
- by copying itself to network shares protected by weak passwords
W32/Rbot-AMN 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/Rbot-AMN copies itself to <System>\wininit.exe.
The following registry entries are created to run wininit.exe on startup:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Microsoft Update 32
wininit.exe
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
Microsoft Update 32
wininit.exe
Registry entries are set as follows:
HKCU\Software\Microsoft\OLE
Microsoft Update 32
wininit.exe
HKLM\SOFTWARE\Microsoft\Ole
EnableDCOM
N
HKLM\SYSTEM\CurrentControlSet\Control\Lsa
restrictanonymous
1
