Sophos

Troj/Bdoor-ANP

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 2008 (4.34)
Protection available since 6 September 2008 17:31:21 (GMT)
Detected by All Sophos products

Action

More Information

Troj/Bdoor-ANP is a Trojan for the Windows platform.

When first run Troj/Bdoor-ANP copies itself to <Windows>\services.exe.

The following registry entry is created to run Troj/Bdoor-ANP on startup:

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
services
<Windows>\services.exe

Troj/Bdoor-ANP sets the following registry entries, disabling the automatic startup of other software:

HKLM\SYSTEM\CurrentControlSet\Services\SharedAccess
Start
4

Note: disabling autostart for the SharedAccess service deactivates the Microsoft Internet Connection Firewall (ICF).

Registry entries are set as follows:

HKCU\Software\Microsoft\Internet Explorer\Desktop
id
828645236425

HKCU\Software\Microsoft\Internet Explorer\Desktop
host
<ip_address>

HKLM\SOFTWARE\Policies\Microsoft\WindowsFirewall\DomainProfile
EnableFirewall
0

HKLM\SOFTWARE\Policies\Microsoft\WindowsFirewall\StandardProfile
EnableFirewall
0

Registry entries are created under:

HKLM\SOFTWARE\Microsoft\Security Center

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