Dialer.Sexitaly

Dialer.Sexitaly

Updated:
13 February 2007
Risk Impact:
High
File Names:
Sex_i.exe
Systems Affected:
Windows

Behavior


Dialer.Sexitaly is a dialer program that can be used to access various material by dialing high-cost numbers using a modem. Most of the accessible material is pornographic.

Symptoms


Your Symantec antivirus program detects Dialer.Sexitaly.

Behavior


The most common installation method of this dialer is through various Web sites, mainly pornographic in nature.

Antivirus Protection Dates

  • Initial Rapid Release version 02 October 2014 revision 022
  • Latest Rapid Release version 01 February 2015 revision 020
  • Initial Daily Certified version 29 December 2003
  • Latest Daily Certified version 28 September 2010 revision 036
  • Initial Weekly Certified release date 31 December 2003
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.

When Dialer.Sexitaly is executed, it does the following:
  1. Copies itself to %System%\Sex_i.exe.

    Note: %System% is a variable. The dialer locates the System folder and copies itself to that location. By default, this is C:\Windows\System (Windows 95/98/Me), C:\Winnt\System32 (Windows NT/2000), or C:\Windows\System32 (Windows XP).

  2. Adds the value:

    "sex_i.exe" = "%System%\sex_i.exe -d"

    to the following registry keys:

    HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
    HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\
    RunServices
  3. Creates an icon on the Windows desktop.
  4. Displays a licensing agreement. If you accept the licensing agreement, the dialer will attempt to call a high-cost number using the modem.
  5. Attempts to connect to a pornographic Web site.



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.Sexitaly.
  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. 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.Sexitaly, click Delete.


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

4. Deleting the values 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 the key:

    HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
  4. In the right pane, delete the value:

    "sex_i.exe" = "%System%\sex_i.exe -d"
  5. Navigate to the key:

    HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\
    RunServices


    Note: The \RunServices key will not be found on most Windows NT\2000\XP computers.

  6. In the right pane, delete the value:

    "sex_i.exe" = "%System%\sex_i.exe -d"
  7. Exit the Registry Editor.