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01/01/1970

Adware.CWSConyc

Type:  Adware
Discovered:  01.01.1970
Updated:  13.02.2007
Affected systems:  Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP
AV Vendor:  Symantec

Description:


When Adware.CWSConyc is executed, it does the following:
  • Drops the following files:

    • %CurrentFolder%\mt.exe
    • %CurrentFolder%\popup_bl.dll
    • %CurrentFolder%\serch_hook.dll
    • %CurrentFolder%\setup.exe
    • %CurrentFolder%\toolband_atl.dll
    • %System%\popup_bl.dll
    • %System%\searchdll.dll
    • %System%\systr.dll

      Note:
      • %System% is a variable that refers to the System folder. By default this is C:\Windows\System (Windows 95/98/Me), C:\Winnt\System32 (Windows NT/2000), or C:\Windows\System32 (Windows XP).
      • %CurrentFolder% is a variable that refers to the directory that the Security Risk was executed from.

  • Creates following registry keys:

    HKEY_CLASSES_ROOT\CLSID\{12345678-0000-0010-8000-00AAFF6D2EA4}
    HKEY_CLASSES_ROOT\CLSID\{28F65FCB-D130-11D8-BA48-8BE0C49AF370}
    HKEY_CLASSES_ROOT\CLSID\{815A82AE-CDEF-11D8-BA48-A6D245798277}
    HKEY_CLASSES_ROOT\CLSID\{C7EDAB2E-D7F9-11D8-BA48-C79B0C409D70}
    HKEY_CLASSES_ROOT\CLSID\{CF70455E-EDC1-4067-B824-CD0314BC3B2E}
    HKEY_CLASSES_ROOT\Interface\{05AAE5E5-47A1-4F65-8C32-8913EAD54DBF}
    HKEY_CLASSES_ROOT\Interface\{28F65FCA-D130-11D8-BA48-8BE0C49AF370}
    HKEY_CLASSES_ROOT\Interface\{815A82AD-CDEF-11D8-BA48-A6D245798277}
    HKEY_CLASSES_ROOT\Interface\{A77BD0A1-A8FA-48C0-8FFF-5A4DDCAD4581}
    HKEY_CLASSES_ROOT\Interface\{C7EDAB2D-D7F9-11D8-BA48-C79B0C409D70}
    HKEY_CLASSES_ROOT\TypeLib\{28F65FBE-D130-11D8-BA48-8BE0C49AF370}
    HKEY_CLASSES_ROOT\TypeLib\{815A82A1-CDEF-11D8-BA48-A6D245798277}
    HKEY_CLASSES_ROOT\TypeLib\{C7EDAB21-D7F9-11D8-BA48-C79B0C409D70}
    HKEY_CLASSES_ROOT\Popup_bl.BL
    HKEY_CLASSES_ROOT\Popup_bl.BL.1
    HKEY_CLASSES_ROOT\Popup_bl.onClick
    HKEY_CLASSES_ROOT\Popup_bl.onClick.1
    HKEY_CLASSES_ROOT\Serch_hook.transURL
    HKEY_CLASSES_ROOT\Serch_hook.transURL.1
    HKEY_CLASSES_ROOT\Toolband_atl.Band_IE
    HKEY_CLASSES_ROOT\Toolband_atl.Band_IE.1
    HKEY_LOCAL_MACHINE\Software\Classes\CLSID\{12345678-0000-0010-8000-00AAFF6D2EA4}
    HKEY_LOCAL_MACHINE\Software\Classes\CLSID\{28F65FCB-D130-11D8-BA48-8BE0C49AF370}
    HKEY_LOCAL_MACHINE\Software\Classes\CLSID\{815A82AE-CDEF-11D8-BA48-A6D245798277}
    HKEY_LOCAL_MACHINE\Software\Classes\CLSID\{C7EDAB2E-D7F9-11D8-BA48-C79B0C409D70}
    HKEY_LOCAL_MACHINE\Software\Classes\CLSID\{CF70455E-EDC1-4067-B824-CD0314BC3B2E}
    HKEY_LOCAL_MACHINE\Software\Classes\Interface\{05AAE5E5-47A1-4F65-8C32-8913EAD54DBF}
    HKEY_LOCAL_MACHINE\Software\Classes\Interface\{28F65FCA-D130-11D8-BA48-8BE0C49AF370}
    HKEY_LOCAL_MACHINE\Software\Classes\Interface\{815A82AD-CDEF-11D8-BA48-A6D245798277}
    HKEY_LOCAL_MACHINE\Software\Classes\Interface\{A77BD0A1-A8FA-48C0-8FFF-5A4DDCAD4581}
    HKEY_LOCAL_MACHINE\Software\Classes\Interface\{C7EDAB2D-D7F9-11D8-BA48-C79B0C409D70}
    HKEY_LOCAL_MACHINE\Software\Classes\TypeLib\{28F65FBE-D130-11D8-BA48-8BE0C49AF370}
    HKEY_LOCAL_MACHINE\Software\Classes\TypeLib\{815A82A1-CDEF-11D8-BA48-A6D245798277}
    HKEY_LOCAL_MACHINE\Software\Classes\TypeLib\{C7EDAB21-D7F9-11D8-BA48-C79B0C409D70}
    HKEY_LOCAL_MACHINE\Software\Classes\Popup_bl.BL
    HKEY_LOCAL_MACHINE\Software\Classes\Popup_bl.BL.1
    HKEY_LOCAL_MACHINE\Software\Classes\Popup_bl.onClick
    HKEY_LOCAL_MACHINE\Software\Classes\Popup_bl.onClick.1
    HKEY_LOCAL_MACHINE\Software\Classes\Serch_hook.transURL
    HKEY_LOCAL_MACHINE\Software\Classes\Serch_hook.transURL.1
    HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{28F65FCB-D130-11D8-BA48-8BE0C49AF370}
    HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Popup Blocker
    HKEY_LOCAL_MACHINE\SOFTWARE\Tim

  • Creates the following registry entries:

    HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main\"Enable Browser Extensions" = "yes"
    HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main\"Use Search Assistant" = "yes"
    HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main\"Use Search Asst" = "no"
    HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\SearchUrl\"(Default)" = "[http://]www.v73.us/[REMOVED]"
    HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\URLSearchHooks\ "{C7EDAB2E-D7F9-11D8-BA48-C79B0C409D70}"
    HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Toolbar\"{815A82AE-CDEF-11D8-BA48-A6D245798277}" = "Popup Blocker 17.08.04"

  • Modifies the following value:

    "SearchAssistant" = "[http://]www.v73.us/[REMOVED]/search.htm"

    in the registry key:

    HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Search

  • Adds the following value:

    "{12345678-0000-0010-8000-00AAFF6D2EA4}" = "Sysctl Desktop Handler"

    in the registry key:

    HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\SharedTaskScheduler\

  • Adds the following lines to the hosts file:

    69.50.164.213   google.com   www.google.com   www.aol.com   aol.com   www.yahoo.com   yahoo.com   www.msn.com   msn.com   www.go.com   go.com
    69.50.164.213   google.com   www.google.com   www.aol.com   aol.com   www.yahoo.com   yahoo.com   www.msn.com   msn.com   www.go.com   go.com

  • May adds the following line to the %Windir%\system.ini file:

    load = %Windir%\inet10050\services.exe

    to allow the W32.Conycspa.g@mm threat associated with this risk to run at startup.

    Note: %Windir% is a variable that refers to the Windows installation folder. By default, this is C:\Windows or C:\Winnt.

  • Contacts the domain conyc.com to display advertisements when Internet Explorer is started.

    Removal instructions from Symantec Security Response Team


    The following instructions pertain to all Symantec antivirus products that support Security Risk detection.

  • Update the definitions.
  • Uninstall Popup Blocker using the Add/Remove Programs utility.
  • Run a full system scan.
  • Delete the value that was added to the registry.
    For specific details on each of these steps, read the following instructions.

    1. To update the definitions
    To obtain the most recent definitions, start your Symantec program and run LiveUpdate.

    2. To uninstall the Adware
  • Do one of the following:
    • On the Windows 98 taskbar:
    • Click Start > Settings > Control Panel.
    • In the Control Panel window, double-click Add/Remove Programs.

    • On the Windows Me taskbar:
    • Click Start > Settings > Control Panel.
    • In the Control Panel window, double-click Add/Remove Programs.
      If you do not see the Add/Remove Programs icon, click "...view all Control Panel options."

    • On the Windows 2000 taskbar:
      By default, Windows 2000 is set up the same as Windows 98, so follow the instructions for Windows 98. If otherwise, click Start, point to Settings > Control Panel, and then click Add/Remove Programs.

    • On the Windows XP taskbar:
    • Click Start > Control Panel.
    • In the Control Panel window, double-click Add or Remove Programs.

  • Click Popup Blocker.


    Note: You may need to use the scroll bar to view the whole list.

  • Click Add/Remove, Change/Remove, or Remove (this varies with the operating system). Follow the prompts.
    3. To run the scan
  • Start your Symantec antivirus program, and then run a full system scan.

    Note: If you ran the Add/Remove programs applet as described in the previous section, all the files may have been removed, and thus none of them will be detected.
  • If any files are detected as Adware.CWSConyc and depending on which software version you are using, you may see one or more of the following options:

    Note: This applies only to versions of Norton AntiVirus that support Security Risk detection. If you are running a version of Symantec AntiVirus Corporate Edition that supports Security Risk detection, and Security Risk detection has been enabled, you will only see a message box that gives the results of the scan. If you have questions in this situation, contact your network administrator.
    • Exclude (Not recommended): If you click this button, it will set the threat so that it is no longer detectable. That is, the antivirus program will keep the security risk on your computer and will no longer detect it to remove from your computer.

    • Ignore or Skip: This option tells the scanner to ignore the threat for this scan only. It will be detected again the next time that you run a scan.

    • Cancel: This option is new to Norton Antivirus 2005. It is used when Norton Antivirus 2005 has determined that it cannot delete a security risk. This Cancel option tells the scanner to ignore the threat for this scan only, and thus, the threat will be detected again the next time that you run a scan.

      To actually delete the security risk:
      • Click its file name (under the Filename column).
      • In the Item Information box that displays, write down the full path and file name.
      • Then use Windows Explorer to locate and delete the file.

        If Windows reports that it cannot delete the file, this indicates that the file is in use. In this situation, complete the rest of the instructions on this page, restart the computer in Safe mode, and then delete the file using Windows Explorer.

    • Delete: This option will attempt to delete the detected files. In some cases, the scanner will not be able to do this.
      • If you see a message, "Delete Failed" (or similar message), manually delete the file.
      • Click the file name of the threat that is under the Filename column.
      • In the Item Information box that displays, write down the full path and file name.
      • Then use Windows Explorer to locate and delete the file.

        If Windows reports that it cannot delete the file, this indicates that the file is in use. In this situation, complete the rest of the instructions on this page, restart the computer in Safe mode, and then delete the file using Windows Explorer.

    4. To delete the value from the registry

    Important: Symantec strongly recommends that you back up the registry before making any changes to it. Incorrect changes to the registry can result in permanent data loss or corrupted files. Modify the specified keys only. Read the document, "How to make a backup of the Windows registry," for instructions.
  • Click Start > Run.
  • Type regedit

    Then click OK.

  • Navigate to and delete the keys:

    HKEY_CLASSES_ROOT\CLSID\{12345678-0000-0010-8000-00AAFF6D2EA4}
    HKEY_CLASSES_ROOT\CLSID\{28F65FCB-D130-11D8-BA48-8BE0C49AF370}
    HKEY_CLASSES_ROOT\CLSID\{815A82AE-CDEF-11D8-BA48-A6D245798277}
    HKEY_CLASSES_ROOT\CLSID\{C7EDAB2E-D7F9-11D8-BA48-C79B0C409D70}
    HKEY_CLASSES_ROOT\CLSID\{CF70455E-EDC1-4067-B824-CD0314BC3B2E}
    HKEY_CLASSES_ROOT\Interface\{05AAE5E5-47A1-4F65-8C32-8913EAD54DBF}
    HKEY_CLASSES_ROOT\Interface\{28F65FCA-D130-11D8-BA48-8BE0C49AF370}
    HKEY_CLASSES_ROOT\Interface\{815A82AD-CDEF-11D8-BA48-A6D245798277}
    HKEY_CLASSES_ROOT\Interface\{A77BD0A1-A8FA-48C0-8FFF-5A4DDCAD4581}
    HKEY_CLASSES_ROOT\Interface\{C7EDAB2D-D7F9-11D8-BA48-C79B0C409D70}
    HKEY_CLASSES_ROOT\TypeLib\{28F65FBE-D130-11D8-BA48-8BE0C49AF370}
    HKEY_CLASSES_ROOT\TypeLib\{815A82A1-CDEF-11D8-BA48-A6D245798277}
    HKEY_CLASSES_ROOT\TypeLib\{C7EDAB21-D7F9-11D8-BA48-C79B0C409D70}
    HKEY_CLASSES_ROOT\Popup_bl.BL
    HKEY_CLASSES_ROOT\Popup_bl.BL.1
    HKEY_CLASSES_ROOT\Popup_bl.onClick
    HKEY_CLASSES_ROOT\Popup_bl.onClick.1
    HKEY_CLASSES_ROOT\Serch_hook.transURL
    HKEY_CLASSES_ROOT\Serch_hook.transURL.1
    HKEY_CLASSES_ROOT\Toolband_atl.Band_IE
    HKEY_CLASSES_ROOT\Toolband_atl.Band_IE.1
    HKEY_LOCAL_MACHINE\Software\Classes\CLSID\{12345678-0000-0010-8000-00AAFF6D2EA4}
    HKEY_LOCAL_MACHINE\Software\Classes\CLSID\{28F65FCB-D130-11D8-BA48-8BE0C49AF370}
    HKEY_LOCAL_MACHINE\Software\Classes\CLSID\{815A82AE-CDEF-11D8-BA48-A6D245798277}
    HKEY_LOCAL_MACHINE\Software\Classes\CLSID\{C7EDAB2E-D7F9-11D8-BA48-C79B0C409D70}
    HKEY_LOCAL_MACHINE\Software\Classes\CLSID\{CF70455E-EDC1-4067-B824-CD0314BC3B2E}
    HKEY_LOCAL_MACHINE\Software\Classes\Interface\{05AAE5E5-47A1-4F65-8C32-8913EAD54DBF}
    HKEY_LOCAL_MACHINE\Software\Classes\Interface\{28F65FCA-D130-11D8-BA48-8BE0C49AF370}
    HKEY_LOCAL_MACHINE\Software\Classes\Interface\{815A82AD-CDEF-11D8-BA48-A6D245798277}
    HKEY_LOCAL_MACHINE\Software\Classes\Interface\{A77BD0A1-A8FA-48C0-8FFF-5A4DDCAD4581}
    HKEY_LOCAL_MACHINE\Software\Classes\Interface\{C7EDAB2D-D7F9-11D8-BA48-C79B0C409D70}
    HKEY_LOCAL_MACHINE\Software\Classes\TypeLib\{28F65FBE-D130-11D8-BA48-8BE0C49AF370}
    HKEY_LOCAL_MACHINE\Software\Classes\TypeLib\{815A82A1-CDEF-11D8-BA48-A6D245798277}
    HKEY_LOCAL_MACHINE\Software\Classes\TypeLib\{C7EDAB21-D7F9-11D8-BA48-C79B0C409D70}
    HKEY_LOCAL_MACHINE\Software\Classes\Popup_bl.BL
    HKEY_LOCAL_MACHINE\Software\Classes\Popup_bl.BL.1
    HKEY_LOCAL_MACHINE\Software\Classes\Popup_bl.onClick
    HKEY_LOCAL_MACHINE\Software\Classes\Popup_bl.onClick.1
    HKEY_LOCAL_MACHINE\Software\Classes\Serch_hook.transURL
    HKEY_LOCAL_MACHINE\Software\Classes\Serch_hook.transURL.1
    HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{28F65FCB-D130-11D8-BA48-8BE0C49AF370}
    HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Popup Blocker
    HKEY_LOCAL_MACHINE\SOFTWARE\Tim

  • Navigate to and delete the registry values:

    HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Search\"SearchAssistant"= "http://www.v73.us/[REMOVED]/search.htm"
    HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\SharedTaskScheduler\ "{12345678-0000-0010-8000-00AAFF6D2EA4}" = "Sysctl Desktop Handler"
    HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main\"Enable Browser Extensions" = "yes"
    HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main\"Use Search Assistant" = "yes"
    HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main\"Use Search Asst" = "no"
    HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\SearchUrl\"(Default)" = "[http://]www.v73.us/[REMOVED]"
    HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\URLSearchHooks\ "{C7EDAB2E-D7F9-11D8-BA48-C79B0C409D70}"
    HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Toolbar\"{815A82AE-CDEF-11D8-BA48-A6D245798277}" = "Popup Blocker 17.08.04"
  • Exit the Registry Editor.

    5. To remove all the entries that the risk added to the hosts file
  • Navigate to the following location:

    • Windows 95/98/Me:
      %Windir%
    • Windows NT/2000/XP:
      %Windir%\System32\drivers\etc

      Notes:
    • The location of the hosts file may vary and some computers may not have this file. There may also be multiple copies of this file in different locations. If the file is not located in these folders, search your disk drives for the hosts file, and then complete the following steps for each instance found.
    • %Windir% is a variable that refers to the Windows installation folder. By default, this is C:\Windows (Windows 95/98/Me/XP) or C:\Winnt (Windows NT/2000).

  • Double-click the hosts file.
  • If necessary, deselect the "Always use this program to open this program" check box.
  • Scroll through the list of programs and double-click Notepad.
  • When the file opens, delete all the entries added by the risk. (See the Technical Details section for a complete list of entries.)
  • Close Notepad and save your changes when prompted.

    6. To edit the System.ini file
    If you are running Windows 95/98/Me, follow these steps:
  • Click Start > Run.
  • Type the following:

    edit c:\windows\system.ini

    and then click OK.

    (The MS-DOS Editor opens.)

    NOTE: If Windows is installed in a different location, make the appropriate path substitution.

  • In the [boot] section of the file, look for a line similar to:

    load = %Windir%\inet10050\services.exe

    Note: %Windir% is a variable that refers to the Windows installation folder. By default, this is C:\Windows or C:\Winnt.
  • If this line exists, delete it.
  • Click File > Save.
  • Click File > Exit.


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