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01/01/1970

Adware.BrowserPal

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.BrowserPal is installed, it performs the following actions:
  • Creates the following files:
    • %ProgramFiles%\Browser Pal\ABLK.tlb
    • %ProgramFiles%\Browser Pal\adblck.dll
    • %ProgramFiles%\Browser Pal\adblck.exe
    • %ProgramFiles%\Browser Pal\BABarWnd.dll
    • %ProgramFiles%\Browser Pal\blckbho.dll
    • %ProgramFiles%\Browser Pal\blckhk.dll
    • %ProgramFiles%\Browser Pal\bp.exe
    • %ProgramFiles%\Browser Pal\bptlb.dll
    • %ProgramFiles%\Browser Pal\close.wav
    • %ProgramFiles%\Browser Pal\common\0.pict
    • %ProgramFiles%\Browser Pal\common\1.pict
    • %ProgramFiles%\Browser Pal\common\181.pict
    • %ProgramFiles%\Browser Pal\common\2.pict
    • %ProgramFiles%\Browser Pal\common\3.pict
    • %ProgramFiles%\Browser Pal\common\4.pict
    • %ProgramFiles%\Browser Pal\common\5.pict
    • %ProgramFiles%\Browser Pal\common\6.pict
    • %ProgramFiles%\Browser Pal\common\bpcfg.xml
    • %ProgramFiles%\Browser Pal\common\browserpal.name
    • %ProgramFiles%\Browser Pal\License.txt
    • %ProgramFiles%\Browser Pal\Startium.url
    • %ProgramFiles%\Browser Pal\uninstall.exe
    • %ProgramFiles%\Browser Pal\uninstall.ini
    • %Userprofile%\Start Menu\Programs\Browser Pal\Browser Pal - Ad Blocker.lnk
    • %Userprofile%\Start Menu\Programs\Browser Pal\Startium- Start Here!.lnk

      Notes:
    • %ProgramFiles% is a variable that refers to the program files folder. By default, this is C:\Program Files.
    • %Userprofile% is a variable that refers to the current user's profile folder. By default, this is C:\Documents and Settings\<Current User> (Windows NT/2000/XP).

  • Adds the value:

    "Browser Pal" = "%ProgramFiles%\Browser Pal\adblck.exe -s"

    to the registry key:

    HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run

    so that the Adware runs when Windows starts.

  • Creates the following registry subkeys:

    HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunWindowsUpdate
    HKEY_LOCAL_MACHINE\Software\Browser Pal
    HKEY_CURRENT_USER\Software\Browser Pal
    HKEY_CLASSES_ROOT\Bho.BhoIE.1
    HKEY_CLASSES_ROOT\Bho.BhoIE
    HKEY_CLASSES_ROOT\CLSID\{D34F641F-5210-4EB0-8ED5-9179F47E15B7}
    HKEY_CLASSES_ROOT\TypeLib\{3A72022E-22A8-4554-A8A4-D5C70C5D444B}
    HKEY_CLASSES_ROOT\Interface\{8004F640-BC6B-410A-8054-DF43D93D06E3}
    HKEY_CLASSES_ROOT\Startium.IEToolBar.1
    HKEY_CLASSES_ROOT\Startium.IEToolBar
    HKEY_CLASSES_ROOT\CLSID\{337D0C1D-4053-4FAB-AF2B-45C2F7B0FAA7}
    HKEY_CLASSES_ROOT\BrowserPalToolbar.IEShower.1
    HKEY_CLASSES_ROOT\BrowserPalToolbar.IEShower
    HKEY_CLASSES_ROOT\CLSID\{5F5564AC-DE7A-4DCD-9296-32E71A35DCB7}
    HKEY_CLASSES_ROOT\BrowserPalToolbar.Helper.1
    HKEY_CLASSES_ROOT\BrowserPalToolbar.Helper
    HKEY_CLASSES_ROOT\CLSID\{F20AE630-6DE2-43CA-A988-7CD40C36EF0C}
    HKEY_CLASSES_ROOT\TypeLib\{7313BFD0-62C4-40F4-8041-3FBDBC80AC08}
    HKEY_CLASSES_ROOT\Interface\{8A7D38BE-849D-478F-A7CF-55EC95722359}
    HKEY_CLASSES_ROOT\Interface\{4A2563C7-FC68-4EE8-A11C-2022EBCC1B10}
    HKEY_CLASSES_ROOT\Interface\{2A167E61-D100-450D-A1B0-6EAF394BCB89}
    HKEY_CLASSES_ROOT\Component Categories\{7DD95802-9882-11CF-9FA9-00AA006C42C4}
    HKEY_CLASSES_ROOT\BrowserPalToolbar.IEToolBar.1
    HKEY_CLASSES_ROOT\BrowserPalToolbar.IEToolBar
    HKEY_CLASSES_ROOT\CLSID\{337D0C1D-4053-4FAB-AF2B-45C2F7B0FAA7}
    HKEY_CLASSES_ROOT\TypeLib\{7EB64065-DFD1-41B0-99D7-6BA3E0A15916}
    HKEY_CLASSES_ROOT\Interface\{FF1954C1-D2EC-489A-A156-2F56A6D945C0}
    HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall\Browser Pal
    HKEY_CLASSES_ROOT\TypeLib\{3A72022E-22A8-4554-A8A4-D5C70C5D444B}

  • Once installed, the following toolbar will be added to the Internet Explorer:



    and the Adware will be able to perform the following actions:
    • Displays advertising content
    • Installs software upgrade
    • Installs third-party application

    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 Browser Pal 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 Browser Pal.


    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.BrowserPal 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 the key:

    HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run

  • In the right pane, delete the value:

    "Browser Pal" = "%ProgramFiles%\Browser Pal\adblck.exe -s"

  • Delete the following registry subkeys:

    HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunWindowsUpdate
    HKEY_LOCAL_MACHINE\Software\Browser Pal
    HKEY_CURRENT_USER\Software\Browser Pal
    HKEY_CLASSES_ROOT\Bho.BhoIE.1
    HKEY_CLASSES_ROOT\Bho.BhoIE
    HKEY_CLASSES_ROOT\CLSID\{D34F641F-5210-4EB0-8ED5-9179F47E15B7}
    HKEY_CLASSES_ROOT\TypeLib\{3A72022E-22A8-4554-A8A4-D5C70C5D444B}
    HKEY_CLASSES_ROOT\Interface\{8004F640-BC6B-410A-8054-DF43D93D06E3}
    HKEY_CLASSES_ROOT\Startium.IEToolBar.1
    HKEY_CLASSES_ROOT\Startium.IEToolBar
    HKEY_CLASSES_ROOT\CLSID\{337D0C1D-4053-4FAB-AF2B-45C2F7B0FAA7}
    HKEY_CLASSES_ROOT\BrowserPalToolbar.IEShower.1
    HKEY_CLASSES_ROOT\BrowserPalToolbar.IEShower
    HKEY_CLASSES_ROOT\CLSID\{5F5564AC-DE7A-4DCD-9296-32E71A35DCB7}
    HKEY_CLASSES_ROOT\BrowserPalToolbar.Helper.1
    HKEY_CLASSES_ROOT\BrowserPalToolbar.Helper
    HKEY_CLASSES_ROOT\CLSID\{F20AE630-6DE2-43CA-A988-7CD40C36EF0C}
    HKEY_CLASSES_ROOT\TypeLib\{7313BFD0-62C4-40F4-8041-3FBDBC80AC08}
    HKEY_CLASSES_ROOT\Interface\{8A7D38BE-849D-478F-A7CF-55EC95722359}
    HKEY_CLASSES_ROOT\Interface\{4A2563C7-FC68-4EE8-A11C-2022EBCC1B10}
    HKEY_CLASSES_ROOT\Interface\{2A167E61-D100-450D-A1B0-6EAF394BCB89}
    HKEY_CLASSES_ROOT\Component Categories\{7DD95802-9882-11CF-9FA9-00AA006C42C4}
    HKEY_CLASSES_ROOT\BrowserPalToolbar.IEToolBar.1
    HKEY_CLASSES_ROOT\BrowserPalToolbar.IEToolBar
    HKEY_CLASSES_ROOT\CLSID\{337D0C1D-4053-4FAB-AF2B-45C2F7B0FAA7}
    HKEY_CLASSES_ROOT\TypeLib\{7EB64065-DFD1-41B0-99D7-6BA3E0A15916}
    HKEY_CLASSES_ROOT\Interface\{FF1954C1-D2EC-489A-A156-2F56A6D945C0}
    HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall\Browser Pal
    HKEY_CLASSES_ROOT\TypeLib\{3A72022E-22A8-4554-A8A4-D5C70C5D444B}

  • Exit the Registry Editor.

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