Sophos

W32/Rbot-ATB

Aliases
  • Backdoor.Win32.SdBot.afg
  • W32/Sdbot.worm.gen.g
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 22 October 2005 15:20:48 (GMT)
Last updated 10 November 2005 14:39:39 (GMT)
Detected by All Sophos products
Download Free virus scan
Download the Threat Detection Test
  • Free virus, spyware, and adware scan
  • Test your existing anti-virus protection
  • Find threats your anti-virus missed

Action

More Information

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

W32/Rbot-ATB spreads via network shares and to other network computers by exploiting common buffer overflow vulnerabilities, including: RPC-DCOM (MS04-012), PNP (MS05-039) and ASN.1 (MS04-007).

When first run W32/Rbot-ATB copies itself to <System>\hhs.pif.

The following registry entries are created to run hhs.pif on startup:

HKCU\Software\Microsoft\Windows\CurrentVersion\Run
HTML Help System
hhs.pif

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
HTML Help System
hhs.pif

HKCU\Software\Microsoft\Windows\CurrentVersion\RunServices
HTML Help System
hhs.pif

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
HTML Help System
hhs.pif

Registry entries are set as follows:

HKCU\Software\Microsoft\OLE
HTML Help System
hhs.pif

HKLM\SOFTWARE\Microsoft\Ole
HTML Help System
hhs.pif

HKCU\SYSTEM\CurrentControlSet\Control\Lsa
HTML Help System
hhs.pif

HKLM\SYSTEM\CurrentControlSet\Control\Lsa
HTML Help System
hhs.pif

RSS|Atom
Get reports about the latest virus and spyware threats delivered to your computer