Sophos

Troj/Multidr-ER

Aliases
  • Trojan-Dropper.Win32.Agent.xc
  • StartPage.g
Category
Type
What to do
Prevalence low high

Summary

 
Affected operating systems Windows
Characteristics
  • Drops more malware
  • Installs itself in the registry
Included in our products from December 2005 (4.00)
Protection available since 26 October 2005 08:04:21 (GMT)
Detected by All Sophos products

Action

More Information

Troj/Multidr-ER is a Trojan for the Windows platform.

Troj/Multidr-ER includes functionality to access the internet and communicate
with a remote server via HTTP.

When Troj/Multidr-ER is installed the following files are created:

\DelUS.bat
<Windows>\EliteToolBar\EliteToolBar version 60.dll
<System>\elitelsj32.exe

The file elitelsj32.exe is detected as Troj/StartPa-FK and "EliteToolBar version
60.dll" is an AdWare application.

The following registry entry is created to run elitelsj32.exe on startup:

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
checkrun
<System>\elitelsj32.exe

The file "EliteToolBar version 60.dll" is registered as a COM object, toolbar and
Browser Helper Object (BHO) for Microsoft Internet Explorer, creating registry
entries under:

HKCU\Software\Microsoft\Internet
Explorer\Toolbar\WebBrowser\(825CF5BD-8862-4430-B771-0C15C5CA8DEF)
HKLM\SOFTWARE\Microsoft\Internet
Explorer\Toolbar\(825CF5BD-8862-4430-B771-0C15C5CA8DEF)
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper
Objects\(28CAEFF3-0F18-4036-B504-51D73BD81ABC)
HKCR\CLSID\(28CAEFF3-0F18-4036-B504-51D73BD81ABC)
HKCR\CLSID\(825CF5BD-8862-4430-B771-0C15C5CA8DEF)

Registry entries are created under:

HKCU\Software\LQ\
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\EliteBar Internet
Explorer Toolbar\
HKLM\SOFTWARE\Elitum\EliteToolBar\

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