Sophos

Troj/Daoser-C

Aliases
  • Trojan-Dropper.Win32.Small.vn
  • TROJ_DROPPER.DI
Category
Type
What to do
Prevalence low high

Summary

 
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Included in our products from June 2005 (3.94)
Protection available since 7 May 2005 13:10:17 (GMT)
Detected by All Sophos products

Action

More Information

Troj/Daoser-C is a Trojan for the Windows platform.

Troj/Daoser-C will modify the start page for Internet Explorer.

Troj/Daoser-C may display popups and spy on web searches and browsing habits. Troj/Daoser-C is a Trojan for the Windows platform.

Troj/Daoser-C will modify the start page for Internet Explorer.

Troj/Daoser-C may display popups and spy on web searches and browsing habits.

When the Trojan is installed the following files are created:

<SYSTEM>\Services\<random>\SVCHOST32.DLL
<SYSTEM>\Services\<random>\security.exe
<SYSTEM>\Services\<random>\svchost.dll
<SYSTEM>\Services\<random>\svchost.exe

where <random> is a string of letters and numbers.

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

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Service Host
<SYSTEM>\Services\<random>\SVCHOST.EXE

The Trojan changes the Start Page for Microsoft Internet Explorer by altering the registry entry:

HKCU\Software\Microsoft\Internet Explorer\Main\Start Page

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