Sophos

W32/Rbot-BLC

Aliases
  • Backdoor.Win32.Rbot.akt
  • W32/Spybot.NQM
Category
Type
What to do
Prevalence low high

Summary

 
How it spreads
  • Network shares
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Included in our products from March 2006 (4.03)
Protection available since 13 January 2006 22:26:36 (GMT)
Last updated 25 January 2006 06:31:48 (GMT)
Detected by All Sophos products

Action

More Information

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

W32/Rbot-BLC 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-BLC spreads via network shares and by exploiting the following vulnerabilities:
LSASS (MS04-011)
RPC-DCOM (MS04-012)
WKS (MS03-049) (CAN-2003-0812)
PNP (MS05-039)
ASN.1 (MS04-007) W32/Rbot-BLC is a worm and IRC backdoor Trojan for the Windows platform.

W32/Rbot-BLC 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-BLC spreads via network shares and by exploiting the following vulnerabilities:
LSASS (MS04-011)
RPC-DCOM (MS04-012)
WKS (MS03-049) (CAN-2003-0812)
PNP (MS05-039)
ASN.1 (MS04-007)

When first run W32/Rbot-BLC copies itself to <System>\Acrord32.exe.

The following registry entries are created to run Acrord32.exe on startup:

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Adobe Reader32
Acrord32.exe

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
Adobe Reader32
Acrord32.exe

The following registry entry is set:

HKCU\Software\Microsoft\OLE
Adobe Reader32
Acrord32.exe

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