Threat Explorer

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13 February 2007
Stealth Activity Reporter
Risk Impact:
File Names:
wsys.exe wsys.dll LoggerConfugurator.exe RemoteUnInstaller.exe ReportManager.exe
Systems Affected:


Spyware.STAR is spyware that can:
  • Log all keystrokes
  • Take periodic screenshots
  • Send log files via email


One or more files are detected as Spyware.STAR.


Spyware.STAR must be manually installed.

Antivirus Protection Dates

  • Initial Rapid Release version 02 October 2014 revision 022
  • Latest Rapid Release version 07 May 2019 revision 006
  • Initial Daily Certified version 26 March 2004
  • Latest Daily Certified version 07 May 2019 revision 008
  • Initial Weekly Certified release date 31 March 2004
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.

Spyware.STAR is distributed in WinZip file format, with the name, containing the following files
    • setup.exe
    • Data.CAB

When setup.exe is executed, it does the following:
  1. Creates the following files:
    • wsys.exe: This is the main spyware file. Detected as Spyware.STAR.
    • wsys.dll: Detected as Spyware.STAR.
    • DecodeScreenShots.exe
    • LoggerConfigurator.exe: Detected as Spyware.STAR.
    • RemoteUnInstaller.exe: Detected as Spyware.STAR.
    • ReportManager.exe: Detected as Spyware.STAR.
    • Uninstall.exe

  2. Allows the person installing it to configure the installation Path, and the Log Files Path.
    • The default <installation path> is "%ProgramFiles%\STAR\"
    • The default <log files path> is "%ProgramFiles%\STAR\"

      Notes: %ProgramFiles% is a variable that refers to the path to the program files folder. By default, this is "C:\Program Files\."

  3. Adds the value:

    "wsys" = "<installation path>\wsys.exe"

    to the following registry key:


    so that the spyware runs when you start Windows.

Before You Begin:
The following is a general removal procedure. This spyware may include an uninstallation tool named Uninstall.exe , which is located in the installation folder. The default installation folder is C:\Program Files\STAR. We suggest that, before you attempt to remove this spyware using the following instructions, try to uninstall it by using the provided uninstaller.

The following instructions pertain to all Symantec antivirus products that support Security Risk detection.
  • Update the definitions.
  • Restart the computer in Safe mode.
  • Run a full system scan and delete all the files detected as Spyware.STAR.
  • 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 restart 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. To scan for and delete the files
    1. Start your Symantec antivirus program, and then run a full system scan.
    2. If any files are detected as Spyware.STAR, click Delete.

      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. To delete the values from the registry

    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 > Run.
    2. Type regedit

      Then click OK.

    3. Navigate to the key:


      In the right pane, delete the value:

      "wsys" = "<installation path>\wsys.exe"

    4. Exit the Registry Editor.

    5. Restart the computer in Normal mode.