Sophos

W32/Rbot-DVD

Aliases
  • ackdoor.Win32.Rbot.aym
  • W32/Gaobot.worm.gen.e
  • W32.Spybot.Worm
  • WORM_RBOT.EOB
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 July 2006 (4.07)
Protection available since 26 May 2006 21:48:12 (GMT)
Detected by All Sophos products

Action

More Information

W32/Rbot-DVD is a worm for the Windows platform.

W32/Rbot-DVD spreads
- to computers vulnerable to common exploits, including: RPC-DCOM (MS04-012) and WKS (MS03-049)
- to MSSQL servers protected by weak passwords
- to network shares

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

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

HKCU\Software\Microsoft\Windows\CurrentVersion\Run
ActiveX File Registration Service
filereg.exe

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
ActiveX File Registration Service
filereg.exe

HKCU\Software\Microsoft\Windows\CurrentVersion\RunServices
ActiveX File Registration Service
filereg.exe

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
ActiveX File Registration Service
filereg.exe

Registry entries are set as follows:

HKCU\SYSTEM\CurrentControlSet\Control\Lsa
ActiveX File Registration Service
filereg.exe

HKLM\SYSTEM\CurrentControlSet\Control\Lsa
ActiveX File Registration Service
filereg.exe

HKCU\Software\Microsoft\OLE
ActiveX File Registration Service
filereg.exe

HKLM\SOFTWARE\Microsoft\Ole
ActiveX File Registration Service
filereg.exe

W32/Rbot-DVD attempts to reset thes registry entries periodically.

W32/Rbot-DVD attempts to terminate a large number of processes related to anti-virus and security software.

W32/Rbot-DVD modifies the HOSTS file, appending the following lines to prevent access to the websites listed:

0.0.0.0 www.symantec.com
0.0.0.0 securityresponse.symantec.com
0.0.0.0 symantec.com
0.0.0.0 www.sophos.com
0.0.0.0 sophos.com
0.0.0.0 www.mcafee.com
0.0.0.0 mcafee.com
0.0.0.0 liveupdate.symantecliveupdate.com
0.0.0.0 www.viruslist.com
0.0.0.0 viruslist.com
0.0.0.0 viruslist.com
0.0.0.0 f-secure.com
0.0.0.0 www.f-secure.com
0.0.0.0 kaspersky.com
0.0.0.0 kaspersky-labs.com
0.0.0.0 www.avp.com
0.0.0.0 www.kaspersky.com
0.0.0.0 avp.com
0.0.0.0 www.networkassociates.com
0.0.0.0 networkassociates.com
0.0.0.0 www.ca.com
0.0.0.0 ca.com
0.0.0.0 mast.mcafee.com
0.0.0.0 my-etrust.com
0.0.0.0 www.my-etrust.com
0.0.0.0 download.mcafee.com
0.0.0.0 dispatch.mcafee.com
0.0.0.0 secure.nai.com
0.0.0.0 nai.com
0.0.0.0 www.nai.com
0.0.0.0 update.symantec.com
0.0.0.0 updates.symantec.com
0.0.0.0 us.mcafee.com
0.0.0.0 liveupdate.symantec.com
0.0.0.0 customer.symantec.com
0.0.0.0 rads.mcafee.com
0.0.0.0 trendmicro.com
0.0.0.0 pandasoftware.com
0.0.0.0 www.pandasoftware.com
0.0.0.0 www.trendmicro.com
0.0.0.0 www.grisoft.com
0.0.0.0 www.microsoft.com
0.0.0.0 microsoft.com
0.0.0.0 www.virustotal.com
0.0.0.0 virustotal.com
0.0.0.0 www.zango.com
0.0.0.0 zango.com

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