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  2. Security Response/
  3. Adware.Cydoor

Adware.Cydoor - Removal

February 13, 2007 11:33:05 AM
Cydoor Technologies
Risk Impact:
File Names:
Systems Affected:

Note: Removing this adware component from the system will likely cause the program that installed it to not function as intended. The uninstaller generally identifies the programs that will not work after uninstallation.

Before you begin: This is a general removal procedure. It does not include steps to try to remove the adware using the Windows Add/Remove programs applet. Information on how to do this may be available from the publisher of this adware, Cydoor Desktop Media. For Cydoor's instructions on how to remove this adware, go to http://www.cydoor.com/Cydoor/. Click the Support link and scroll through the FAQ's to the "How do I remove your software" section. You can also contact Cydoor Support using the form at the bottom of their FAQ page.

The following instructions pertain to all Symantec antivirus products that support Security Risk detection.
  1. Update the definitions.
  2. Restart the computer in Safe mode
  3. Run a full system scan and delete all the files detected as Adware.Cydoor.
  4. Delete the value that was added to the registry.
For specific details on each of these steps, read the following instructions.
    1. Updating the definitions
    To obtain the most recent definitions, start your Symantec program and run LiveUpdate.

    2. Restarting the computer in Safe mode
    Shut down the computer and turn off the power. Wait for at least 30 seconds, and then restart the computer in Safe mode or VGA mode. For instructions, read the document, "How to start the computer in Safe Mode."
      3. Scanning for and deleting the files
      1. Start your Symantec antivirus program and run a full system scan.
      2. If any files are detected as Adware.Cydoor, click Delete.

        Note: If your Symantec antivirus product reports that it cannot delete a detected file, note the path and file name. Then use Windows Explorer to locate and delete the file.

      4. Deleting the keys from the registry

      WARNING: 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.

      1. Click Start, and then click Run. (The Run dialog box appears.)
      2. Type regedit

        Then click OK. (The Registry Editor opens.)

      3. Navigate to and delete the keys (if they exist):

        HKEY_USERS\.DEFAULT\Software\Cydoor Services
        HKEY_CURRENT_USER\Software\Cydoor Services
        HKEY_LOCAL_MACHINE\Software\Cydoor Services

      4. Exit the Registry Editor.

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