Sophos

Troj/Zlob-AFC

Aliases
  • TROJ_ZLOB.DWF
  • TR/DNSChanger.GH
  • Trojan.Win32.DNSChanger.ph
Category
Type
What to do
Prevalence low high

Summary

 
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Included in our products from December 2007 (4.24)
Protection available since 12 October 2007 01:33:07 (GMT)
Detected by All Sophos products

Action

More Information

Troj/Zlob-AFC is a Trojan for the Windows platform.

Troj/Zlob-AFC contains functionality to access the internet and communicate with a remote server via HTTP.

When first run Troj/Zlob-AFC creates files under the following folders:

<Start Menu>\Programs\VideoHeaven
<Program Files>\VideoHeaven

Troj/Zlob-AFC creates the following registry entry to start itself:

HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
System
kdces.exe

and creates entries under the following registry trees:

HKCR\VideoHeaven\
HKCU\Software\VideoHeaven\
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\VideoHeaven\

The following registry entries are added or modified to override default DNS settings:

HKLM\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\DhcpNameServer
HKLM\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\NameServer\
HKLM\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\Interfaces\

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