Technical Information
Malicious functions:
Creates and executes the following:
- %PROGRAM_FILES%\Windows Update Add-On\Windows Update Add-On.exe /installapp=4921
- %TEMP%\nsr3.tmp\closebrowsers.exe /closebrowsers /closeie /closeff /closech
Executes the following:
- <SYSTEM32>\cscript.exe %TEMP%\nsr3.tmp\CleanChromePrefs.vbs
- <SYSTEM32>\cscript.exe %TEMP%\nsr3.tmp\RemoveFromList.vbs
- <SYSTEM32>\regsvr32.exe /s "%PROGRAM_FILES%\Windows Update Add-On\Windows Update Add-On.dll"
Terminates or attempts to terminate
the following user processes:
- chrome.exe
- firefox.exe
- iexplore.exe
Modifies file system :
Creates the following files:
- %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\extensions\crossriderapp4921@crossrider.com\skin\skin.css
- %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\extensions\crossriderapp4921@crossrider.com\skin\panelarrow-up.png
- %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\extensions\crossriderapp4921@crossrider.com\skin\popup.html
- %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\extensions\crossriderapp4921@crossrider.com\skin\button5.png
- %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\extensions\crossriderapp4921@crossrider.com\skin\crossrider_statusbar.png
- %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\extensions\crossriderapp4921@crossrider.com\skin\icon48.png
- %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\extensions\crossriderapp4921@crossrider.com\skin\popup.css
- %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\extensions\crossriderapp4921@crossrider.com\skin\icon24.png
- %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\extensions\crossriderapp4921@crossrider.com\chrome\content\crossriderapi.js
- %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\extensions\crossriderapp4921@crossrider.com\chrome\content\options.xul
- %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\extensions\crossriderapp4921@crossrider.com\chrome\content\crossrider.js
- %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\extensions\crossriderapp4921@crossrider.com\chrome\content\update.html
- %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\extensions\crossriderapp4921@crossrider.com\skin\button3.png
- %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\extensions\crossriderapp4921@crossrider.com\skin\popup_binding.xml
- %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\extensions\crossriderapp4921@crossrider.com\skin\button4.png
- %TEMP%\nsm4.tmp
- %TEMP%\nsr3.tmp\RemoveFromList.vbs
- <LS_APPDATA>\Windows Update Add-On\Chrome\Windows Update Add-On.crx
- %TEMP%\nsr3.tmp\CleanChromePrefs.vbs
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\U98D4X8H\ie-error[1].gif
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\manifest[1].xml
- %TEMP%\nsa5.tmp
- %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\extensions\crossriderapp4921@crossrider.com\locale\en-US\translations.dtd
- %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\extensions\crossriderapp4921@crossrider.com\skin\icon128.png
- %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\extensions\crossriderapp4921@crossrider.com\skin\button2.png
- %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\extensions\crossriderapp4921@crossrider.com\skin\icon16.png
- %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\extensions\crossriderapp4921@crossrider.com\skin\update.css
- %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\extensions\crossriderapp4921@crossrider.com\defaults\preferences\prefs.js
- %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\extensions\crossriderapp4921@crossrider.com\chrome.manifest
- %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\extensions\crossriderapp4921@crossrider.com\skin\button1.png
- %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\extensions\crossriderapp4921@crossrider.com\chrome\content\browser.xul
- %TEMP%\nsr3.tmp\closebrowsers.exe
- %TEMP%\nsr3.tmp\inetc.dll
- %TEMP%\nsr3.tmp\UserInfo.dll
- %TEMP%\nsr3.tmp\ExecDos.dll
- %PROGRAM_FILES%\Windows Update Add-On\Windows Update Add-OnGui.exe
- %PROGRAM_FILES%\Windows Update Add-On\Windows Update Add-On.exe
- %TEMP%\nsr3.tmp\Processes.dll
- %TEMP%\nsr3.tmp\md5dll.dll
- %TEMP%\nsr3.tmp\System.dll
- %TEMP%\nsr3.tmp\StdUtils.dll
- %TEMP%\nsg2.tmp
- %TEMP%\nsr3.tmp\nsislog.dll
- %TEMP%\nsr3.tmp\nsisos.dll
- %TEMP%\nsr3.tmp\Dialer.dll
- %TEMP%\Windows Update Add-OnInstaller_1327366828.log
- %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\extensions\crossriderapp4921@crossrider.com\chrome\content\messaging.js
- %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\extensions\crossriderapp4921@crossrider.com\chrome\content\options.js
- %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\extensions\crossriderapp4921@crossrider.com\chrome\content\manage-apps-style.css
- %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\extensions\crossriderapp4921@crossrider.com\chrome\content\manage-apps.html
- %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\extensions\crossriderapp4921@crossrider.com\chrome\content\dialog.js
- %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\extensions\crossriderapp4921@crossrider.com\chrome\content\background.html
- %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\extensions\crossriderapp4921@crossrider.com\chrome\content\lib\faye-browser-min.js
- %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\extensions\crossriderapp4921@crossrider.com\chrome\content\push.html
- %PROGRAM_FILES%\Windows Update Add-On\Uninstall.exe
- %PROGRAM_FILES%\Windows Update Add-On\Windows Update Add-On.ico
- %PROGRAM_FILES%\Windows Update Add-On\Windows Update Add-On.dll
- %TEMP%\nsr3.tmp\Windows Update Add-On.xpi
- %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\extensions\crossriderapp4921@crossrider.com\chrome\content\search_dialog.xul
- %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\extensions\crossriderapp4921@crossrider.com\install.rdf
- %TEMP%\nsr3.tmp\ZipDLL.dll
Deletes the following files:
- %TEMP%\nsr3.tmp\StdUtils.dll
- %TEMP%\nsr3.tmp\Processes.dll
- %TEMP%\nsr3.tmp\nsisos.dll
- %TEMP%\nsr3.tmp\System.dll
- %TEMP%\nsr3.tmp\ZipDLL.dll
- %TEMP%\nsr3.tmp\Windows Update Add-On.xpi
- %TEMP%\nsr3.tmp\UserInfo.dll
- %TEMP%\nsr3.tmp\nsislog.dll
- %TEMP%\nsr3.tmp\closebrowsers.exe
- %TEMP%\nsr3.tmp\CleanChromePrefs.vbs
- %TEMP%\nsr3.tmp\RemoveFromList.vbs
- %TEMP%\nsr3.tmp\Dialer.dll
- %TEMP%\nsr3.tmp\md5dll.dll
- %TEMP%\nsr3.tmp\inetc.dll
- %TEMP%\nsr3.tmp\ExecDos.dll
Network activity:
Connects to:
- 'co####.crossrider.com':80
- 'localhost':1037
- 'st###.#rossrider.com':80
TCP:
HTTP GET requests:
- st###.#rossrider.com/installer.gif?ac#################################################################################################################################################################################################################
- st###.#rossrider.com/ie-error.gif?ac###################################################################################################################################################################################################
- st###.#rossrider.com/ie-error.gif?ac###########################################################################################################################################################################
- st###.#rossrider.com/installer.gif?ac##################################################################################################################################################################################################################
- co####.crossrider.com/plugin/apps/4921/manifest/1_17_149_149/ie6/manifest.xml?ve###
UDP:
- DNS ASK co####.crossrider.com
- DNS ASK st###.#rossrider.com
- '<Private IP address>':1035
Miscellaneous:
Searches for the following windows:
- ClassName: '#32770' WindowName: ''
- ClassName: 'Shell_TrayWnd' WindowName: ''
