Sophos

Troj/DwnLdr-HAO

Category
Type
What to do
Prevalence low high

Summary

 
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Included in our products from April 2008 (4.28)
Protection available since 6 February 2008 09:17:26 (GMT)
Last updated 12 February 2008 19:46:18 (GMT)
Detected by All Sophos products

More Information

Troj/DwnLdr-HAO is a Trojan for Windows Platform.

Troj/DwnLdr-HAO includes functionality to access the internet, download other malware and execute them.

When first run Troj/DwnLdr-HAO copies itself to
<Windows system folder>\<sescmgr>.exe.

The following registry entry is created to run sescmgr.exe on startup:

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
<sctrlmgr>
<Windows system folder>\<sescmgr>.exe

The following registry entry is set, affecting internet security:

HKCU\Software\Microsoft\CurrentVersion\Internetsettings\Zonemap\Domains\aflashcounter.com

Adds itself to the folowing key to be registered as an authorized application:

HKLM\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\
AuthorizedApplication

It tries to download the following files from web :

<Windows system folder>\rsoprov.exe
<Windows system folder>\rdpslip.exe
<Windows system folder>\sescmgr.exe
       

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