ADW_DOUBLED

This adware arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

It displays pop-up advertisements.

Arrival Details

This adware arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Installation

This adware drops the following files:

• %Program Files%\DoubleD\Desktop Smiley Toolbar\{malware version number}\stb0.dll - also detected as ADW_DOUBLED
• %Program Files%\DoubleD\Desktop Smiley Toolbar\{malware version number}\stbAol.dll - also detected as ADW_DOUBLED
• %Program Files%\DoubleD\Desktop Smiley Toolbar\{malware version number}\stbapp.dll - also detected as ADW_DOUBLED
• %Program Files%\DoubleD\Desktop Smiley Toolbar\{malware version number}\stbapp.exe - also detected as ADW_DOUBLED
• %Program Files%\DoubleD\Desktop Smiley Toolbar\{malware version number}\stbappHelper.exe - also detected as ADW_DOUBLED
• %Program Files%\DoubleD\Desktop Smiley Toolbar\{malware version number}\stbasst.exe - also detected as ADW_DOUBLED
• %Program Files%\DoubleD\Desktop Smiley Toolbar\{malware version number}\stbdl.exe - also detected as ADW_DOUBLED
• %Program Files%\DoubleD\Desktop Smiley Toolbar\{malware version number}\stbIE.dll - also detected as ADW_DOUBLED
• %Program Files%\DoubleD\Desktop Smiley Toolbar\{malware version number}\stbMsn.dll - also detected as ADW_DOUBLED
• %Program Files%\DoubleD\Desktop Smiley Toolbar\{malware version number}\stbOL.dll - also detected as ADW_DOUBLED
• %Program Files%\DoubleD\Desktop Smiley Toolbar\{malware version number}\stbOLEX.dll - also detected as ADW_DOUBLED
• %Program Files%\DoubleD\Desktop Smiley Toolbar\{malware version number}\stbsvc.exe - also detected as ADW_DOUBLED
• %Program Files%\DoubleD\Desktop Smiley Toolbar\{malware version number}\stbYahoo8.dll - also detected as ADW_DOUBLED
• %Program Files%\DoubleD\Desktop Smiley Toolbar\{malware version number}\stbYahoo9.dll - also detected as ADW_DOUBLED

(Note: %Program Files% is the default Program Files folder, usually C:\Program Files.)

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
SmileyApp = "%Program Files%\DoubleD\Desktop Smiley Toolbar\{malware version number}\stbapp.exe"

It registers itself as a BHO to ensure its automatic execution every time Internet Explorer is used by adding the following registry keys:

HKEY_CLASSES_ROOT\CLSID\{5617ECA9-488D-4BA2-8562-9710B9AB78D2}

HKEY_CLASSES_ROOT\Interface\{95B92D92-8B7D-4A19-A3F1-43113B4DBCAF}

HKEY_CLASSES_ROOT\TypeLib\{5297E905-1DFB-4A9C-9871-A4F95FD58945}

HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\MenuExt\&Funband Search

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Explorer\
Browser Helper Objects\{5617ECA9-488D-4BA2-8562-9710B9AB78D2}

It adds the following registry entries to install itself as a Browser Helper Object (BHO):

HKEY_CLASSES_ROOT\CLSID\{5617ECA9-488D-4BA2-8562-9710B9AB78D2}\
InprocServer32
(Default) = "%Program Files%\DoubleD\Desktop Smiley Toolbar\{malware version number}\stb0.dll"

HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\MenuExt\&Funband Search
(Default) = "res://%Program Files%\DoubleD\Desktop Smiley Toolbar\{malware version number}\stb0.dll/MENUSEARCH.HTM"

HKEY_LOCAL_MACHINE\Software\Microsoft\
Internet Explorer\Toolbar
Desktop Smiley Toolbar = "%Program Files%\DoubleD\Desktop Smiley Toolbar\{malware version number}\stb0.dll"

Adware Routine

This adware displays pop-up advertisements.