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Updated: November 30, 2016 12:46:26 PM
Type: Potentially Unwanted App
Infection Length: Varies
Name: Ghokswa Browser (Gotoe Browser)
Version: 1.0
Publisher: Ghokswa
Risk Impact: Low
Systems Affected: Windows


PUA.Ghokswa is a potentially unwanted application that changes browser settings without consent.

Antivirus Protection Dates

  • Initial Rapid Release version November 30, 2016
  • Latest Rapid Release version December 19, 2019 revision 007
  • Initial Daily Certified version November 30, 2016 revision 019
  • Latest Daily Certified version December 19, 2019 revision 021
  • Initial Weekly Certified release date November 30, 2016

Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.

Technical Description

When the program is installed, it creates the following files:

  • %Temp%\chedot_v5.3.2\banners\8.png
  • %Temp%\chedot_v5.3.2\setup.exe
  • %Temp%\haha.dll
  • %Temp%\nst117.tmp\webapp-uninstaller.exe
  • %UserProfile%\Start Menu\Programs\Chedot\Chedot.lnk

Next, the program creates the following folders:
  • %Temp%\chedot_v5.3.2\master_preferences_default
  • %Temp%\chedot_v5.3.2\master_preferences_not_default
  • %ProgramFiles%\Bigjane
  • %AppData%\Chedot
  • %AppData%\Chedot\Application\51.0.2704.532\Extensions
  • %AppData%\Chedot\Application\51.0.2704.532\Installer
  • %AppData%\Chedot\Application\51.0.2704.532\Locales
  • %AppData%\Chedot\Application\51.0.2704.532\PepperFlash
  • %AppData%\Chedot\Application\51.0.2704.532\VisualElements
  • %AppData%\Chedot\User Data
  • %Temp%\chedot_v5.3.2
  • %Temp%\chedot_v5.3.2\
  • %UserProfile%\Start Menu\Programs\Chedot

The program then creates the following registry subkeys:
  • HKEY_LOCAL_MACHINE\SOFTWARE\Clients\StartMenuInternet\Chedot.UGF5M55MNH7QZBJITID62ILVUY\Capabilities
  • HKEY_LOCAL_MACHINE\SOFTWARE\Clients\StartMenuInternet\Chedot.UGF5M55MNH7QZBJITID62ILVUY\DefaultIcon
  • HKEY_LOCAL_MACHINE\SOFTWARE\Clients\StartMenuInternet\Chedot.UGF5M55MNH7QZBJITID62ILVUY\InstallInfo
  • HKEY_LOCAL_MACHINE\SOFTWARE\Clients\StartMenuInternet\Chedot.UGF5M55MNH7QZBJITID62ILVUY\shell\open
  • HKEY_LOCAL_MACHINE\SOFTWARE\Clients\StartMenuInternet\Chedot.UGF5M55MNH7QZBJITID62ILVUY\shell\open\command
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MediaPlayer\ShimInclusionList\chedot.exe
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\App Paths\chedot.exe
  • HKEY_USERS\S-1-5-21-1454471165-854245398-682003330-1003_Classes\Applications\crashreporter.exe

Next, the program creates the following registry entries:
  • HKEY_LOCAL_MACHINE\SOFTWARE\Classes\.html\OpenWithProgids\"ChedotHTML.UGF5M55MNH7QZBJITID62ILVUY" = ""
  • HKEY_LOCAL_MACHINE\SOFTWARE\Classes\.shtml\OpenWithProgids\"ChedotHTML.UGF5M55MNH7QZBJITID62ILVUY" = ""
  • HKEY_LOCAL_MACHINE\SOFTWARE\Classes\.webp\OpenWithProgids\"ChedotHTML.UGF5M55MNH7QZBJITID62ILVUY" = ""
  • HKEY_LOCAL_MACHINE\SOFTWARE\Classes\.xhtml\OpenWithProgids\"ChedotHTML.UGF5M55MNH7QZBJITID62ILVUY" = ""
  • HKEY_USERS\S-1-5-21-1454471165-854245398-682003330-1003\Software\Microsoft\Windows\CurrentVersion\Uninstall\Chedot\"DisplayName" = "Chedot"
  • HKEY_USERS\S-1-5-21-1454471165-854245398-682003330-1003\Software\Microsoft\Windows\CurrentVersion\Uninstall\Chedot\"UninstallString" = ""%AppData%\Chedot\Application\51.0.2704.532\Installer\setup.exe" --uninstall"
  • HKEY_USERS\S-1-5-21-1454471165-854245398-682003330-1003\Software\Microsoft\Windows\CurrentVersion\Uninstall\Chedot\"InstallLocation" = "%AppData%\Chedot\Application"
  • HKEY_USERS\S-1-5-21-1454471165-854245398-682003330-1003\Software\Microsoft\Windows\CurrentVersion\Uninstall\Chedot\"DisplayIcon" = "%AppData%\Chedot\Application\chedot.exe,0"
  • HKEY_USERS\S-1-5-21-1454471165-854245398-682003330-1003\Software\Microsoft\Windows\CurrentVersion\Uninstall\Chedot\"Publisher" = "Chedot Publisher"
  • HKEY_USERS\S-1-5-21-1454471165-854245398-682003330-1003\Software\Microsoft\Windows\CurrentVersion\Uninstall\Chedot\"Version" = "51.0.2704.532"
  • HKEY_USERS\S-1-5-21-1454471165-854245398-682003330-1003\Software\Microsoft\Windows\CurrentVersion\Uninstall\Chedot\"DisplayVersion" = "51.0.2704.532"
  • HKEY_USERS\S-1-5-21-1454471165-854245398-682003330-1003\Software\Microsoft\Windows\CurrentVersion\Uninstall\Chedot\"InstallDate" = "20161130"

The program may then connect to the following remote locations:
  • cloud.chromlum.org
  • cs.chromlum.org
  • cloud.firefox1.com
  • cloud.brobgser.com
  • cl.qbitka.com

The program is a Chromium-based web browser. It may perform the following actions:
  • End the Chrome and Firefox browsers' processes
  • Point existing Chrome and Firefox shortcuts to itself
  • Change the default home page and search engine
  • Create scheduled tasks
  • Send data to domains unrelated to the ones the user visits through the browser


You may have arrived at this page either because you have been alerted by your Symantec product about this risk, or you are concerned that your computer has been affected by this risk.

Before proceeding further we recommend that you run a full system scan . If that does not resolve the problem you can try one of the options available below.

If you are a Norton product user, we recommend you try the following resources to remove this risk.

Removal Tool

If you have an infected Windows system file, you may need to replace it using the Windows installation CD .

How to reduce the risk of infection
The following resources provide further information and best practices to help reduce the risk of infection.

If you are a Symantec business product user, we recommend you try the following resources to remove this risk.

Identifying and submitting suspect files
Submitting suspicious files to Symantec allows us to ensure that our protection capabilities keep up with the ever-changing threat landscape. Submitted files are analyzed by Symantec Security Response and, where necessary, updated definitions are immediately distributed through LiveUpdate™ to all Symantec end points. This ensures that other computers nearby are protected from attack. The following resources may help in identifying suspicious files for submission to Symantec.

Removal Tool

If you have an infected Windows system file, you may need to replace it using the Windows installation CD .

How to reduce the risk of infection
The following resource provides further information and best practices to help reduce the risk of infection.
Protecting your business network

The following instructions pertain to all current Symantec antivirus products.

1. Performing a full system scan
How to run a full system scan using your Symantec product

2. Restoring settings in the registry
Many risks make modifications to the registry, which could impact the functionality or performance of the compromised computer. While many of these modifications can be restored through various Windows components, it may be necessary to edit the registry. See in the Technical Details of this writeup for information about which registry keys were created or modified. Delete registry subkeys and entries created by the risk and return all modified registry entries to their previous values.