Adware.DoubleD is a potentially unwanted application or adware program that displays out-of-context advertisements on the affected computers. It will also add a Desktop Smiley Toolbar on the computer.

Type Adware
Sub-Type Downloader
Aliases Desktop Smiley Toolbar
OS Affected Windows
Detected By Sophos

What Adware.DoubleD Does?

It will modify Windows Registry and add the following entries:

  • HKEY_CURRENT_USER\Software\DoubleD
  • HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\MenuExt\&Funband Serach
  • HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\SearchScopes
  • HKEY_CURRENT_USER\Software\Microsoft\Windows\Current Version\Ext\Stats\{5617ECA9-488D-4BA2-8562-9710B9AB78D2}
  • HKEY_CURRENT_USER\Software\Microsoft\Windows\Current Version\Internet Settings\User Agent
  • HKEY_CURRENT_USER\{5617ECA9-488D-4BA2-8562-9710B9AB78D2}
  • HKEY_CLASSES_ROOT\AIMActiveXDLL.AIMHelper.1
  • HKEY_CLASSES_ROOT\AIMActiveXDLL.AIMHelper
  • HKEY_CLASSES_ROOT\AppID\AIMActiveXDLL.DLL
  • HKEY_CLASSES_ROOT\AppID\AxGifAnimator.DLL
  • HKEY_CLASSES_ROOT\AppID\{57ABA38E-6535-48F3-99FD-EFDC62137C78}
  • HKEY_CLASSES_ROOT\AppID\{E97BE7A8-7FBA-49FA-A742-BCFB5DAA0ED5}
  • HKEY_CLASSES_ROOT\AxGifAnimator.GifAnimator.1
  • HKEY_CLASSES_ROOT\AxGifAnimator.GifAnimator
  • HKEY_CLASSES_ROOT\CLSID\{27FF1EE8-8CCC-49E1-B801-F212E3744E80}
  • HKEY_CLASSES_ROOT\CLSID\{2E8E2100-98CB-4AAC-9480-63A281ACAFF5}
  • HKEY_CLASSES_ROOT\CLSID\{3FB17508-0BF4-4FDE-845A-323A1052957C}
  • HKEY_CLASSES_ROOT\CLSID\{51B67A88-02D0-43CB-8D12-5CA3E2D4CF49}
  • HKEY_CLASSES_ROOT\CLSID\{5617ECA9-488D-4BA2-8562-9710B9AB78D2}
  • HKEY_CLASSES_ROOT\CLSID\{D44CC2FB-77B8-48A5-A5DC-F961F2D258FB}
  • HKEY_CLASSES_ROOT\Installer\Features\7AD2B90A400825245BC229FFAEC2D5DB
  • HKEY_CLASSES_ROOT\Installer\Products\7AD2B90A400825245BC229FFAEC2D5DB
  • HKEY_CLASSES_ROOT\Installer\UpgradeCodes\2E6AF0CA64E1D164E8A1442284D2E132
  • HKEY_CLASSES_ROOT\Interface\{3FB17508-0BF4-4FDE-845A-323A1052957C}
  • HKEY_CLASSES_ROOT\Interface\{42C23154-00FA-4A93-9DE9-3EB523CFFFF6}
  • HKEY_CLASSES_ROOT\Interface\{803E73FE-CB73-4D49-8AFF-653FD6F44171}
  • HKEY_CLASSES_ROOT\Interface\{95B92D92-8B7D-4A19-A3F1-43113B4DBCAF}
  • HKEY_CLASSES_ROOT\Interface\{EDB1A56E-2224-4C79-A4BD-42A39C6E4608}
  • HKEY_CLASSES_ROOT\OEActiveXDLL.DesktopButtonHandler.1
  • HKEY_CLASSES_ROOT\OEActiveXDLL.DesktopButtonHandler
  • HKEY_CLASSES_ROOT\OEActiveXDLL.DesktopOEAddin1.1
  • HKEY_CLASSES_ROOT\OEActiveXDLL.DesktopOEAddin1
  • HKEY_CLASSES_ROOT\TypeLib\{0514C9B0-E4C6-4D6B-A3A6-B38BC280B115}
  • HKEY_CLASSES_ROOT\TypeLib\{22C12739-C111-44C6-9BB7-F335C2A9BE2A}
  • HKEY_CLASSES_ROOT\TypeLib\{5297E905-1DFB-4A9C-9871-A4F95FD58945}
  • HKEY_CLASSES_ROOT\TypeLib\{D335D84D-61D8-4B5F-9C4E-067DC8B27ED5}
  • HKEY_LOCAL_MACHINE\SOFTWARE\DoubleD
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Current Version\Uninstall\Desktop Smiley Toolbar
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Current Version\Uninstall\{A09B2DA7-8004-4252-B52C-92FFEA2C5DBD}
  • HKEY_LOCAL_MACHINE\SOFTWARE\MimarSinan\InstallAware\Ident.Cache\{A09B2DA7-8004-4252-B52C-92FFEA2C5DBD}
  • HKEY_LOCAL_MACHINE\SOFTWARE\Mozilla\Firefox
  • HKEY_LOCAL_MACHINE\SOFTWARE\{5617ECA9-488D-4BA2-8562-9710B9AB78D2}

The threat will drop the following malicious files and directories:

  • %UserProfile%\Favorites\home.desktopsmiley.com.url
  • %UserProfile%\Local Settings\Application Data\DoubleD\
  • %UserProfile%\Local Settings\Application Data\DoubleD\Desktop Smiley Toolbar\4.2.0.11210\bin\stbup.exe
  • UserProfile%\Local Settings\Temp\tdf.zip
  • %UserProfile%\Local Settings\Temp\New_tdf\
  • C:\Documents and Settings\All Users\Application Data\{5FBDCA6E-055E-4083-89AA-123FF33DCB7F}\OFFLINE\15D3A7BB\3E688669\stbappHelper.exe
  • C:\Documents and Settings\All Users\Application Data\{5FBDCA6E-055E-4083-89AA-123FF33DCB7F}\
    %ProgramFiles%\Mozilla Firefox\searchplugins\FFToolbar.xml
  • %ProgramFiles%\DoubleD\Desktop Smiley Toolbar\4.2.0.11210\AIMActiveXDLL.dll
  • %ProgramFiles%\DoubleD\Desktop Smiley Toolbar\
  • %ProgramFiles%\DoubleD\Desktop Smiley Toolbar\4.2.0.11210\stbapp.exe
  • %ProgramFiles%\DoubleD\Desktop Smiley Toolbar\4.2.0.11210\stbappHelper.exe
  • %ProgramFiles%\DoubleD\Desktop Smiley Toolbar\4.2.0.11210\stbasst.exe
  • %ProgramFiles%\DoubleD\Desktop Smiley Toolbar\4.2.0.11210\stbdl.exe

How to Remove Adware.DoubleD Manually

1. Restart your computer in SafeMode
- After Power-On the computer, just before Windows start, press F8
- From the selections, Select SafeMode

2. Remove Registry entries that the threat added. You MUST BACKUP YOUR REGISTRY FIRST.
- Click Start > Run
- Type in the field, regedit
- Navigate and look for the registry entries mentioned above and delete if necessary

3. Delete malicious files that the threat added:
- Base on the given location above, browse and delete the file
- If no location is given, click Start>Search> and search for the file.
- If cannot be deleted, press Ctrl+Alt+Del to access Task Manager, see if the file is running in the process. If it is, select the file and click End Process. Perform file delete again.

4. Scan computer with Antivirus Program
- Update antivirus program
- Scan computer and delete all detected threats.

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