Adware:W32/Midadle

Classification

Spyware

Adware

W32

-

Summary

This program is designed to delivers advertising contents to the user. It is usually annoying but harmless, unless it is combined with spyware or trackware.

Removal

Automatic action

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Technical Details

This advertisement delivery software is distributed by MidADdle (also known as "ADS IN THE MIDDLE"). MidADdle was aquired by InterClick in 2005.

The program can perform the following activities:

  • Display pop-ups advertisements
  • Download, install and& run adware
  • Connect to remote site to download components for upgrading itself

Installation

The executable file needs to be executed manually in order to install the program. Upon execution, it will create files and drop a copy of itself at:

  • %temp%\[Random name].exe

&It will also create randomly-named file components in the temporary folder, such as:

  • %temp%\XzojPHIV.dll
  • %temp%\0W9DGM0.dll
  • %temp%\tFLIVc.dll
  • %temp%\VAfDi.dll
  • %temp%\g.dll

Registry

During installation, the program creates this registry subkey to run itself run automatically after system restart:

  • [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] "[Random name]"="%temp%\[Random name].exe"

And this key, registering the program as a browser helper object (BHO), in order to monitor the user's browser's activity:

  • [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{E8EAEB34-F7B5-4C55-87FF-720FAF53D841}] "@"="WinPage Affiliate"

The program also creates these registry subkeys as well:

  • [HKEY_LOCAL_MACHINE\Software\MidADdle]
  • [HKEY_LOCAL_MACHINE\Software\Classes\AppID\WinAffiliateBHO.DLL]
  • [HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall\midADdle]
  • [HKEY_LOCAL_MACHINE\Software\Classes\WinAffiliateBHO.WinAffiliateIEExtensi.1]
  • [HKEY_LOCAL_MACHINE\Software\Classes\CLSID\{E8EAEB34-F7B5-4C55-87FF-720FAF53D841}]
  • [HKEY_LOCAL_MACHINE\Software\Classes\TypeLib\{ECB25A48-E6E0-49AF-99AF-07C763E31389}]
  • [HKEY_LOCAL_MACHINE\Software\Classes\Interface\{E318D698-27B3-44D5-8998-C35EAFB9C034}]
  • [HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\{E8EAEB34-F7B5-4C55-87FF-720FAF53D841}]

File System Changes

Creates these files:

  • %temp%\clicks.dll
  • %temp%\Updater.exe
  • %temp%\ma.dll
  • %temp%\ma
  • %ProgramFiles%\Common Files\midaddle\clicks.dll

Network Connections

Attempts to download files from:

  • https://www.yellow-sticky.com
  • https://www.midaddle.com

Date Created: 2009-03-27 10:07:45.0

Date Last Modified: 2009-03-30 07:05:39.0