Summary

Summary
Action
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| How it spreads |
|
|---|---|
| Affected operating systems | Windows |
| Characteristics |
|
| Protection available since | 7 November 2005 11:47:14 (GMT) |
| Last updated | 25 November 2005 13:35:31 (GMT) |
| Detected by | All Sophos products |
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Action

Summary
Action
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Please follow the instructions for removing worms.
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W32/Rbot-AWD is a worm and IRC backdoor Trojan for the Windows platform.
W32/Rbot-AWD 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.
W32/Rbot-AWD spreads:
- to other network computers infected with Troj/Optix
- to other network computers by exploiting common buffer overflow vulnerabilities, including: LSASS (MS04-011), RPC-DCOM (MS04-012), WKS (MS03-049) (CAN-2003-0812), Veritas (CAN-2004-1172), PNP (MS05-039) and ASN.1 (MS04-007)
- by copying itself to network shares protected by weak passwords
W32/Rbot-AWD includes functionality to:
- carry out DDoS flooder attacks
- provide a proxy server
- silently download, install and run new software
- disable other software, including anti-virus, firewall and security related applications
- log keystrokes
When first run W32/Rbot-AWD copies itself to <System>\npfmontr.exe.
The following registry entries are created to run npfmontr.exe on startup:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
NPF Value
NPFMONTR.exe
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
NPF Value
NPFMONTR.exe
Registry entries are set as follows:
HKCU\Software\Microsoft\OLE
NPF Value
NPFMONTR.exe
HKLM\SOFTWARE\Microsoft\Ole
EnableDCOM
N
HKLM\SYSTEM\CurrentControlSet\Control\Lsa
restrictanonymous
1
The following patches for the operating system vulnerabilities exploited by W32/Rbot-AWD can be obtained from the Microsoft website:
