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ADW_CONDUBAR

August 12, 2014
 Analysis by: Jaime Benigno Reyes
 PLATFORM:

Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:
 INFORMATION EXPOSURE:

  • Threat Type: Adware

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This adware arrives as a component bundled with malware/grayware packages. It may be manually installed by a user.

  TECHNICAL DETAILS

File Size:

325,952 bytes

File Type:

DLL

Memory Resident:

Yes

Initial Samples Received Date:

19 May 2014

Arrival Details

This adware arrives as a component bundled with malware/grayware packages.

It may be manually installed by a user.

Autostart Technique

This adware adds the following registry entries to enable its automatic execution at every system startup:

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
BackgroundContainerV2 = ""%System%\Rundll32.exe" "{grayware path}\{grayware name}",DllRun"

Other System Modifications

This adware adds the following registry keys:

HKEY_CURRENT_USER\Software\BackgroundContainerV2

HKEY_CURRENT_USER\Software\BackgroundContainerV2\
LogicFileManager

It adds the following registry entries:

HKEY_CURRENT_USER\Software\BackgroundContainerV2
LastAutoUpdateTime = {value}

HKEY_CURRENT_USER\Software\BackgroundContainerV2\
LogicFileManager
LogicFileVersion = "1.0.0.1"

HKEY_CURRENT_USER\Software\BackgroundContainerV2\
LogicFileManager
LogicFilePath = "{grayware path}\TBUpdaterLogic_1.0.0.1.dll"

Download Routine

This adware connects to the following URL(s) to download its component file(s):

  • http://storage.{BLOCKED}int.com/IEBackgroundContainer/TBUpdaterLogic/1.0.0.1/TBUpdaterLogic.dll

It saves the files it downloads using the following names:

  • {grayware path}\TBUpdaterLogic_1.0.0.1.dll

Other Details

This adware connects to the following possibly malicious URL:

  • http://{BLOCKED}r-ie-updater.{BLOCKED}t.com/update/?productId=TBUpdaterLogic&ver={value}&itemId={value}
  • http://usage.toolbar.{BLOCKED}t.com/ToolbarUsage.ashx
  • http://usage.toolbar.{BLOCKED}t-services.com/ToolbarUsage.ashx