Sophos

W32/Rbot-FKQ

Aliases
  • Backdoor.Win32.Rbot.bgg
  • Win32/Rbot
  • trojan
Category
Type
What to do
Prevalence low high

Summary

 
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Included in our products from October 2006 (4.10)
Protection available since 22 August 2006 22:39:32 (GMT)
Detected by All Sophos products

Action

More Information

W32/Rbot-FKQ is a worm and IRC backdoor Trojan for the Windows platform.

W32/Rbot-FKQ spreads to weakly protected network shares and to computers vulnerable to the RPC-DCOM, PNP, ASN.1 and MSDTC exploits. For more information about these vulnerabilities see MS04-012 (for the RPC-DCOM exploit), MS05-039 (for the PNP exploit), MS04-007 (for the ASN.1 exploit) and MS05-051 (for the MSDTC exploit).

W32/Rbot-FKQ 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-FKQ is a worm and IRC backdoor Trojan for the Windows platform.

W32/Rbot-FKQ spreads to weakly protected network shares and to computers vulnerable to the RPC-DCOM, PNP, ASN.1 and MSDTC exploits. For more information about these vulnerabilities see MS04-012 (for the RPC-DCOM exploit), MS05-039 (for the PNP exploit), MS04-007 (for the ASN.1 exploit) and MS05-051 (for the MSDTC exploit).

W32/Rbot-FKQ 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-FKQ copies itself to <System>\ActiveScan.exe.

The following registry entries are created to run ActiveScan.exe on startup:

HKCU\Software\Microsoft\Windows\CurrentVersion\Run
ActiveScan Antivirus
ActiveScan.exe

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
ActiveScan Antivirus
ActiveScan.exe

HKCU\Software\Microsoft\Windows\CurrentVersion\RunServices
ActiveScan Antivirus
ActiveScan.exe

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
ActiveScan Antivirus
ActiveScan.exe

Registry entries are set as follows:

HKCU\SYSTEM\CurrentControlSet\Control\Lsa
ActiveScan Antivirus
ActiveScan.exe

HKLM\SYSTEM\CurrentControlSet\Control\Lsa
ActiveScan Antivirus
ActiveScan.exe

HKCU\Software\Microsoft\OLE
ActiveScan Antivirus
ActiveScan.exe

HKLM\SOFTWARE\Microsoft\Ole
ActiveScan Antivirus
ActiveScan.exe

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