Author: Nikko Tamana   
 

W32/InstalleRex.J (Fortinet)

 PLATFORM:

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

 OVER ALL RISK RATING:
 REPORTED INFECTION:
 Beeinträchtigung der Systemleistung ::
 INFORMATION EXPOSURE:
Low
Medium
High
Critical

  • Threat Type:
    Adware

  • Destructiveness:
    No

  • Encrypted:
     

  • In the wild::
    Yes

  OVERVIEW


  TECHNICAL DETAILS

File size: 291,616 bytes
File type: EXE
INITIAL SAMPLES RECEIVED DATE: 14 maja 2013

Instalación

Este malware infiltra el/los siguiente(s) archivo(s)/componente(s):

  • %All Users Profile%\Application Data\BetterSoft\OptimizerPro\1173230912.ini
  • %All Users Profile%\Application Data\BetterSoft\OptimizerPro\OptimizerPro.exe
  • %All Users Profile%\Application Data\coontinueetosavee\519b2fac988c8.dll
  • %All Users Profile%\Application Data\coontinueetosavee\519b2fac988c8.tlb
  • %All Users Profile%\Application Data\coontinueetosavee\data\coontinueetosavee.dat
  • %All Users Profile%\Application Data\coontinueetosavee\settings.ini
  • %All Users Profile%\Application Data\coontinueetosavee\uninstall.exe
  • %All Users Profile%\Application Data\InstallMate\OptimizerPro\Custom.dll
  • %All Users Profile%\Application Data\InstallMate\OptimizerPro\Readme.txt
  • %All Users Profile%\Application Data\InstallMate\OptimizerPro\Setup.dat
  • %All Users Profile%\Application Data\InstallMate\OptimizerPro\Setup.exe
  • %All Users Profile%\Application Data\InstallMate\OptimizerPro\Setup.ico
  • %All Users Profile%\Application Data\InstallMate\OptimizerPro\TsuDll.dll
  • %All Users Profile%\Application Data\InstallMate\OptimizerPro\_Setup.dll
  • %All Users Profile%\Application Data\InstallMate\{GUID}\{Month and Day}25153853.log
  • %All Users Profile%\Application Data\InstallMate\{GUID}\Custom.dll
  • %All Users Profile%\Application Data\InstallMate\{GUID}\Readme.txt
  • %All Users Profile%\Application Data\InstallMate\{GUID}\Setup.dat
  • %All Users Profile%\Application Data\InstallMate\{GUID}\Setup.exe
  • %All Users Profile%\Application Data\InstallMate\{GUID}\Setup.ico
  • %All Users Profile%\Application Data\InstallMate\{GUID}\TsuDll.dll
  • %All Users Profile%\Application Data\InstallMate\{GUID}\_Setup.dll
  • %All Users Profile%\Application Data\SearchNewTab\519b2ffd207a4.dll
  • %All Users Profile%\Application Data\SearchNewTab\519b2ffd207a4.tlb
  • %All Users Profile%\Application Data\SearchNewTab\data\SearchNewTab.dat
  • %All Users Profile%\Application Data\SearchNewTab\settings.ini
  • %All Users Profile%\Application Data\SearchNewTab\uninstall.exe
  • %All Users Profile%\Desktop\NCdownloader.lnk
  • %All Users Profile%\Start Menu\Programs\coontinueetosavee\coontinueetosavee.lnk
  • %All Users Profile%\Start Menu\Programs\coontinueetosavee\Uninstall.lnk
  • %All Users Profile%\Start Menu\Programs\Optimizer Pro\Help.lnk
  • %All Users Profile%\Start Menu\Programs\Optimizer Pro\Optimizer Pro on the Web.lnk
  • %All Users Profile%\Start Menu\Programs\Optimizer Pro\Optimizer Pro.lnk
  • %All Users Profile%\Start Menu\Programs\Optimizer Pro\Uninstall Optimizer Pro.lnk
  • %All Users Profile%\Start Menu\Programs\SearchNewTab\SearchNewTab.lnk
  • %All Users Profile%\Start Menu\Programs\SearchNewTab\Uninstall.lnk
  • %All Users Profile%\Start Menu\Programs\Solibo Ltd\NCdownloader\NCdownloader.lnk
  • %All Users Profile%\Start Menu\Programs\Startup\NCdownloader.lnk
  • %Application Data%\Mozilla\Firefox\Profiles\4wwmjcqo.default\searchplugins\WebSearch.xml
  • %Application Data%\Mozilla\Firefox\Profiles\4wwmjcqo.default\extensions\ec6w3hphv@dnyljrtjcp-.org\bootstrap.js
  • %Application Data%\Mozilla\Firefox\Profiles\4wwmjcqo.default\extensions\ec6w3hphv@dnyljrtjcp-.org\chrome.manifest
  • %Application Data%\Mozilla\Firefox\Profiles\4wwmjcqo.default\extensions\ec6w3hphv@dnyljrtjcp-.org\content\bg.js
  • %Application Data%\Mozilla\Firefox\Profiles\4wwmjcqo.default\extensions\ec6w3hphv@dnyljrtjcp-.org\install.rdf
  • %Application Data%\Mozilla\Firefox\Profiles\4wwmjcqo.default\extensions\u0rvu-k@srg-wwcxb.edu\bootstrap.js
  • %Application Data%\Mozilla\Firefox\Profiles\4wwmjcqo.default\extensions\u0rvu-k@srg-wwcxb.edu\chrome.manifest
  • %Application Data%\Mozilla\Firefox\Profiles\4wwmjcqo.default\extensions\u0rvu-k@srg-wwcxb.edu\content\bg.js
  • %Application Data%\Mozilla\Firefox\Profiles\4wwmjcqo.default\extensions\u0rvu-k@srg-wwcxb.edu\install.rdf
  • %Cookies%\{User name}@mediatoolbox-online[1].txt
  • %Desktop%\Optimizer Pro.lnk
  • %Application Data%\Google\Chrome\User Data\Default\Extensions\djkiheoffgjccjmbjcflfdnlfglgclpn\1\519b2ffd205576.64236490.js
  • %Application Data%\Google\Chrome\User Data\Default\Extensions\djkiheoffgjccjmbjcflfdnlfglgclpn\1\background.html
  • %Application Data%\Google\Chrome\User Data\Default\Extensions\djkiheoffgjccjmbjcflfdnlfglgclpn\1\content.js
  • %Application Data%\Google\Chrome\User Data\Default\Extensions\djkiheoffgjccjmbjcflfdnlfglgclpn\1\lsdb.js
  • %Application Data%\Google\Chrome\User Data\Default\Extensions\djkiheoffgjccjmbjcflfdnlfglgclpn\1\manifest.json
  • %Application Data%\Google\Chrome\User Data\Default\Extensions\djkiheoffgjccjmbjcflfdnlfglgclpn\1\newtab.html
  • %Application Data%\Google\Chrome\User Data\Default\Extensions\djkiheoffgjccjmbjcflfdnlfglgclpn\1\sqlite.js
  • %Application Data%\Google\Chrome\User Data\Default\Extensions\fjnoiefabobcgejciadkjikpkboifmli\1\519b2fac986861.33064148.js
  • %Application Data%\Google\Chrome\User Data\Default\Extensions\fjnoiefabobcgejciadkjikpkboifmli\1\background.html
  • %Application Data%\Google\Chrome\User Data\Default\Extensions\fjnoiefabobcgejciadkjikpkboifmli\1\content.js
  • %Application Data%\Google\Chrome\User Data\Default\Extensions\fjnoiefabobcgejciadkjikpkboifmli\1\lsdb.js
  • %Application Data%\Google\Chrome\User Data\Default\Extensions\fjnoiefabobcgejciadkjikpkboifmli\1\manifest.json
  • %Application Data%\Google\Chrome\User Data\Default\Extensions\fjnoiefabobcgejciadkjikpkboifmli\1\sqlite.js
  • %Program Files%\ContinueToSave\sprotector.dll
  • %Program Files%\ContinueToSave\uninstall.exe
  • %Program Files%\Optimizer Pro\English.ini
  • %Program Files%\Optimizer Pro\file_id.diz
  • %Program Files%\Optimizer Pro\HomePage.url
  • %Program Files%\Optimizer Pro\OptimizerPro.chm
  • %Program Files%\Optimizer Pro\OptimizerPro.exe
  • %Program Files%\Optimizer Pro\OptProGuard.exe
  • %Program Files%\Optimizer Pro\OptProLauncher.exe
  • %Program Files%\Optimizer Pro\OptProReminder.exe
  • %Program Files%\Optimizer Pro\OptProSchedule.exe
  • %Program Files%\Optimizer Pro\OptProSmartScan.exe
  • %Program Files%\Optimizer Pro\OptProStart.exe
  • %Program Files%\Optimizer Pro\OptProUninstaller.exe
  • %Program Files%\Optimizer Pro\scan.gif
  • %Program Files%\Optimizer Pro\sqlite3.dll
  • %Program Files%\Optimizer Pro\unins000.dat
  • %Program Files%\Optimizer Pro\unins000.exe
  • %Program Files%\Solibo Ltd\NCdownloader\ICSharpCode.SharpZipLib.dll
  • %Program Files%\Solibo Ltd\NCdownloader\Interop.SHDocVw.dll
  • %Program Files%\Solibo Ltd\NCdownloader\NCdownloader.Core.dll
  • %Program Files%\Solibo Ltd\NCdownloader\NCdownloader.exe
  • %Program Files%\Solibo Ltd\NCdownloader\NCdownloader.exe.config
  • %Program Files%\Solibo Ltd\NCdownloader\NCdownloader.Extension.dll
  • %Program Files%\Solibo Ltd\NCdownloader\NCdownloader.Spider.dll
  • %Program Files%\Solibo Ltd\NCdownloader\TabStrip.dll
  • %Program Files%\Solibo Ltd\NCdownloader\unins000.dat
  • %Program Files%\Solibo Ltd\NCdownloader\unins000.exe
  • %Program Files%\WebSearch\sprotector.dll
  • %Program Files%\WebSearch\uninstall.exe
  • %Windows%\Tasks\schedule!1173230912.job

(Nota: %Application Data% es la carpeta Application Data del usuario activo, que en el caso de Windows 98 y ME suele estar ubicada en C:\Windows\Profiles\{nombre de usuario}\Application Data, en el caso de Windows NT en C:\WINNT\Profiles\{nombre de usuario}\Application Data y en el caso de Windows 2000, XP y Server 2003 en C:\Documents and Settings\{nombre de usuario}\Local Settings\Application Data).

. %Desktop% es la carpeta Escritorio del usuario activo, que en el caso de Windows 98 y ME suele estar en C:\Windows\Profiles\{nombre de usuario}\Escritorio, en el caso de Windows NT en C:\WINNT\Profiles\{nombre de usuario}\Escritorio y en el caso de Windows 2000, XP y Server 2003 en C:\Documents and Settings\{nombre de usuario}\Escritorio).

. %Program Files% es la carpeta Archivos de programa predeterminada, que suele estar en C:\Archivos de programa).

. %Windows% es la carpeta de Windows, que suele estar en C:\Windows o C:\WINNT).

)

Crea las carpetas siguientes:

  • %All Users Profile%\Application Data\BetterSoft
  • %All Users Profile%\Application Data\BetterSoft\OptimizerPro
  • %All Users Profile%\Application Data\coontinueetosavee
  • %All Users Profile%\Application Data\coontinueetosavee\data
  • %All Users Profile%\Application Data\InstallMate
  • %All Users Profile%\Application Data\InstallMate\OptimizerPro
  • %All Users Profile%\Application Data\InstallMate\{GUID}
  • %All Users Profile%\Application Data\SearchNewTab
  • %All Users Profile%\Application Data\SearchNewTab\data
  • %All Users Profile%\Application Data\StarApp
  • %All Users Profile%\Application Data\StarApp\Setup
  • %All Users Profile%\Start Menu\Programs\coontinueetosavee
  • %All Users Profile%\Start Menu\Programs\Optimizer Pro
  • %All Users Profile%\Start Menu\Programs\SearchNewTab
  • %All Users Profile%\Start Menu\Programs\Solibo Ltd
  • %All Users Profile%\Start Menu\Programs\Solibo Ltd\NCdownloader
  • %Application Data%\Microsoft\Protect\S-1-5-21-1614895754-436374069-682003330-1003\8f6b14e9-b9fd-48d1-8ac6-e5f2baa2b2c4
  • %Application Data%\Mozilla\Firefox\Profiles\4wwmjcqo.default\searchplugins
  • %Application Data%\Mozilla\Firefox\Profiles\4wwmjcqo.default\extensions\ec6w3hphv@dnyljrtjcp-.org
  • %Application Data%\Mozilla\Firefox\Profiles\4wwmjcqo.default\extensions\ec6w3hphv@dnyljrtjcp-.org\content
  • %Application Data%\Mozilla\Firefox\Profiles\4wwmjcqo.default\extensions\u0rvu-k@srg-wwcxb.edu
  • %Application Data%\Mozilla\Firefox\Profiles\4wwmjcqo.default\extensions\u0rvu-k@srg-wwcxb.edu\content
  • %Application Data%\Google\Chrome\User Data\Default\Extensions
  • %Application Data%\Google\Chrome\User Data\Default\Extensions\djkiheoffgjccjmbjcflfdnlfglgclpn
  • %Application Data%\Google\Chrome\User Data\Default\Extensions\djkiheoffgjccjmbjcflfdnlfglgclpn\1
  • %Application Data%\Google\Chrome\User Data\Default\Extensions\fjnoiefabobcgejciadkjikpkboifmli
  • %Application Data%\Google\Chrome\User Data\Default\Extensions\fjnoiefabobcgejciadkjikpkboifmli\1
  • %Program Files%\Optimizer Pro
  • %Program Files%\ContinueToSave
  • %Program Files%\Solibo Ltd
  • %Program Files%\Solibo Ltd\NCdownloader
  • %Program Files%\WebSearch
  • %System%\AMD64
  • %System%\X86

(Nota: %Application Data% es la carpeta Application Data del usuario activo, que en el caso de Windows 98 y ME suele estar ubicada en C:\Windows\Profiles\{nombre de usuario}\Application Data, en el caso de Windows NT en C:\WINNT\Profiles\{nombre de usuario}\Application Data y en el caso de Windows 2000, XP y Server 2003 en C:\Documents and Settings\{nombre de usuario}\Local Settings\Application Data).

. %Program Files% es la carpeta Archivos de programa predeterminada, que suele estar en C:\Archivos de programa).

. %System% es la carpeta del sistema de Windows, que en el caso de Windows 98 y ME suele estar en C:\Windows\System, en el caso de Windows NT y 2000 en C:\WINNT\System32 y en el caso de Windows XP y Server 2003 en C:\Windows\System32).

)

Técnica de inicio automático

Agrega las siguientes claves de registro para permitir su propia instalación como objeto de ayuda del explorador (BHO):

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Explorer\
Browser Helper Objects\{77B68582-C8C2-F64C-D59B-8CF2DCDD4225}

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Explorer\
Browser Helper Objects\{D16B5728-B637-572D-CA27-7FC345629091}

Otras modificaciones del sistema

Agrega las siguientes entradas de registro como parte de la rutina de instalación:

HKEY_CURRENT_USER\Software\Optimizer Pro

HKEY_CURRENT_USER\Software\Optimizer Pro\
wpdata

HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\SearchScopes

HKEY_LOCAL_MACHINE\SOFTWARE\SP Global

HKEY_LOCAL_MACHINE\SOFTWARE\SProtector

HKEY_LOCAL_MACHINE\SOFTWARE\SProtector\
info

HKEY_LOCAL_MACHINE\SOFTWARE\SProtector\
_09b71135

HKEY_LOCAL_MACHINE\SOFTWARE\SProtector\
_b0285714

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Internet Explorer\SearchScopes

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Internet Explorer\SearchScopes\{GUID}

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Optimizer Pro_is1

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
OptimizerPro

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
OptimizerPro\States

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
SP_09b71135

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
SP_b0285714

Agrega las siguientes entradas de registro como parte de la rutina de instalación:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Explorer\
Browser Helper Objects\{77B68582-C8C2-F64C-D59B-8CF2DCDD4225}
{Default} = "SearchNewTab"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Explorer\
Browser Helper Objects\{77B68582-C8C2-F64C-D59B-8CF2DCDD4225}
NoExplorer = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Explorer\
Browser Helper Objects\{D16B5728-B637-572D-CA27-7FC345629091}
{Default} = "coontinueetosavee"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Explorer\
Browser Helper Objects\{D16B5728-B637-572D-CA27-7FC345629091}
NoExplorer = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Windows
LoadAppInit_DLLs = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Mozilla\
Firefox\Extensions
ec6w3hphv{Default}dnyljrtjcp-.org = "%Application Data%\Mozilla\Firefox\Profiles\4wwmjcqo.default\extensions\ec6w3hphv{Default}dnyljrtjcp-.org"

HKEY_LOCAL_MACHINE\SOFTWARE\Mozilla\
Firefox\Extensions
u0rvu-k{Default}srg-wwcxb.edu = "%Application Data%\Mozilla\Firefox\Profiles\4wwmjcqo.default\extensions\u0rvu-k{Default}srg-wwcxb.edu"

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Control\Session Manager
PendingFileRenameOperations = "\??\%User Temp%\Tsu6AAC7CF3.dll"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
Optimizer Pro = "%Program Files%\Optimizer Pro\OptProLauncher.exe"