Sophos

W32/Rbot-FA

Aliases
  • Backdoor.Rbot.gen
Category
Type
What to do
Prevalence low high

Summary

 
How it spreads
  • Network shares
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Protection available since 29 July 2004 13:09:33 (GMT)
Detected by All Sophos products
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Action

Please follow the instructions for removing worms.

Please read the instructions for removing W32/Rbot-FA.

More Information

W32/Rbot-FA is a worm which attempts to spread to remote network shares. It also contains backdoor Trojan functionality, allowing unauthorized remote access to the infected computer via IRC channels while running in the background as a service process.

W32/Rbot-FA spreads to network shares with weak passwords as a result of the backdoor Trojan element receiving the appropriate command from a remote user.

Patches for the operating system vulnerabilities exploited by W32/Rbot-FA can be obtained from Microsoft at:
MS04-011
MS03-026
MS03-007
MS01-059 W32/Rbot-FA is a worm which attempts to spread to remote network shares. It also contains backdoor Trojan functionality, allowing unauthorized remote access to the infected computer via IRC channels while running in the background as a service process.

W32/Rbot-FA spreads to network shares with weak passwords as a result of the backdoor Trojan element receiving the appropriate command from a remote user.

W32/Rbot-FA copies itself to the Windows System folder as NTCE.EXE and creates entries in the registry at the following locations to run itself on system startup:

HKCU\Software\Microsoft\Windows\CurrentVersion\Run\
Microsoft Update Machine = "ntce.exe"

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\
Microsoft Update Machine = "ntce.exe"

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices\
Microsoft Update Machine = "ntce.exe"

Patches for the operating system vulnerabilities exploited by W32/Rbot-FA can be obtained from Microsoft at:
MS04-011
MS03-026
MS03-007
MS01-059

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