Dialer.SwitchDialer - Removal

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

1. Update the definitions.
2. Close modem connections
3. Run a full system scan and delete all the files detected as Dialer.SwitchDialer.
4. Reverse the changes that were made to the registry.
5. Delete the files and folders created by the risk.
   

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. To close modem connections
This risk uses available modems to create an Internet connection, sometimes without any visible signs. In order to successfully remove this threat, ensure that all modem-based Internet connections are disconnected before proceeding. For instructions on how to do this, consult the appropriate Internet service provider, computer manufacturer, or operating system documentation.

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 Dialer.SwitchDialer, click Delete.
   
   

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

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4. Reversing the changes made to the registry

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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.

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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 following subkeys if they exist:
   
   HKEY_CLASSES_ROOT\.cxq
   HKEY_CLASSES_ROOT\.mxq
   HKEY_CLASSES_ROOT\cxqfile
   HKEY_LOCAL_MACHINE\Software\Startportal
   HKEY_LOCAL_MACHINE\Software\SwitchDialer
   HKEY_LOCAL_MACHINE\Software\Make125
   HKEY_LOCAL_MACHINE\Software\Plus18Point
   HKEY_LOCAL_MACHINE\Software\FirstEnter
   HKEY_LOCAL_MACHINE\Software\QuickPage
   HKEY_LOCAL_MACHINE\Software\Microsoft\Active Setup\Installed Components\{5CBF8C22-E9A6-11D7-90FE-000AE4012DB4}
   HKEY_LOCAL_MACHINE\Software\Classes\MIME\Database\Content Type\application/x-callswitch
   HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall\Switch
   
   
4. Navigate to the key:
   
   HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
   
   
5. In the right pane, delete the value:
   
   "Diskstart" = "%System%\<filename>"
   "sVideo2" = "%System%\<filename>"
   "Quicktlme" = "%System%\<filename>"
   "Classes" = "%System%\<filename>"
   "CLSID" = "%System%\<filename>"
   
   
6. Navigate to the key:
   
   HKEY_LOCAL_MACHINE\Software\Microsoft\Active Setup\ClsidFeature
   
   
7. In the right pane, delete the value:
   
   "{5CBF8C22-E9A6-11D7-90FE-000AE4012DB4}" = "{5CBF8C22-E9A6-11D7-90FE-000AE4012DB4}!1,0,0,2"
   
   
8. Navigate to the key:
   
   HKEY_CURRENT_USER\SOFTWARE\Netscape\Netscape Navigator\Viewers
   
   
9. In the right pane, delete the value:
   
   "TYPE34" = "application/x-callswitch"
   "application/x-callswitch" = "%System%\<filename>"
   
   
10. Navigate to the key:
    
    HKEY_CURRENT_USER\SOFTWARE\Netscape\Netscape Navigator\User Trusted External Applications
    
    
11. In the right pane, delete the value:
    
    "%System%\<filename>" = "Yes"
    
    
12. Navigate to the key:
    
    HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\New Windows\Allow
    
    
13. In the right pane, delete the value:
    
    "*.ffx23wl.nl" = ""
    
    
14. Navigate to the key:
    
    HKEY_LOCAL_MACHINE\Software\Javascrlpt\Classes\shell\open\command
    
    
15. In the right pane, delete the value:
    
    "" = "%System%\<filename>" "%1"
    
    
16. Navigate to the key:
    
    HKEY_LOCAL_MACHINE\Software\Classes\Classes\shell\open\command
    
    
17. In the right pane, delete the value:
    
    "" = "%System%\<filename>" "%1"
    
    
18. Exit the Registry Editor.

5. Delete files and folders created by the risk

1. Click Start > Programs > Accessories > Windows Explorer
2. Navigate to and delete the following folders, if they exist:
   
   • %ProgramFiles%\Make125
   • %ProgramFiles%\Plus18Point
   • %ProgramFiles%\FirstEnter
   • %ProgramFiles%\QuickPage
     
     

Technical Details