Removing Trojan:JS/Cryxos In Simple Steps

Quick Steps To Remove Trojan:JS/Cryxos from Microsoft Windows (XP, Vista, 7, 8.1, 10)

Trojan:JS/Cryxos: Research Report

Early in May 2017, F-Secure Lab presented analysis report against a new malware infamous as Trojan:JS/Cryxos which is completely written in JavaScript programming language and it is also simply known as Trojan.Cryxos. According to analysts this trojan displays an alarming notification message stating that your computer or web browser has been BLOCKED due to a virus infection and therefore, your personal details are 'Being Stolen'. Next, you see suggestion to call a phone number for assistance for removing the virus from your computer using their remote help. Before making call to them, you should know that they are con artists trying to extort money from you in the name of providing tech support. Thus, we call it as a 'Tech Support Scam' created using deceptive social engineering technique to look so genuine.

remove Trojan:JS/Cryxos

To gain your trust, its developers may claim to be Microsoft certified technicians and ask you to provide remote access to your computer. If you do so, they will get remote access to your system and after that they can install more malware and steal your private files without your knowledge. Trojan:JS/Cryxos is typically encountered when you inadvertently open a malicious or hacked webpages hosting a harmful JavaScript file. At the time script runs, it displays a notification message in pop up window that makes it look as though your Windows system is infected with a real virus. Next, you are urged to call a given phone number for technical support in deleting the trojan infection. Trojan:JS/Cryxos's message language varies accordingly your default IP address. Unlike other tech support scam, it is capable of playing misleading audio in a loop repeating message mentioned in pop up window and giving phone number for tech support.

What Should You Do When You See Trojan:JS/Cryxos Scam Alert?

When Trojan:JS/Cryxos will inject pop up alert/warning on your browser, it will surely freeze up your browser like Chrome, Firefox, Safari, Internet Explorer and others. We suggest you to disconnect your internet connection and restart your computer and then perform a full system scan using your updated Anti-spyware software and delete infected files immediately. Further detailed information is provide in Trojan:JS/Cryxos removal report given below:

Quick Steps To Remove Trojan:JS/Cryxos From Compromised Windows 10 Machine

Start Windows 10 PC in Safe Mode with Networking

  • Use Shift + Restart button from the Sign in screen.

  • Now, Win 10 will reboot and you should select Troubleshoot.

  • On the Troubleshoot screen, tap on Advanced options.

  • Then after, choose Startup Settings

  • Click on Restart to change advanced boot option to enable Safe Mode

  • After Win 10 PC reboots, you can press F5 to Enable Safe Mode Networking.

  • Now, you can find the Trojan:JS/Cryxos and Remove it as quickly as possible.

Remove Trojan:JS/Cryxos From Control Panel of Windows 10 PC

  • On the Win 10 screen, go to Start menu and select “All Apps” from appeared window.

  • Here, you will find the list of all installed applications. Search for the program related to Trojan:JS/Cryxos.

  • Right click on the suspicious app and then hit the “Uninstall” button.

Steps To Remove Malicious Registry Entries of Trojan:JS/Cryxos From Win 10

  • Open “Run” command box by pressing “Win+R” button.

  • Type “regedit” inside the box and hit “Enter”.

  • Select all corrupt registry entries and click on “Delete” button.

End Trojan:JS/Cryxos Related Unwanted Processes From Windows 10 Task Manager

  • Press Ctrl+Alt+Del all at once to open Task Manager.

  • Search for harmful running programs by clicking on “Processes” tab.

  • Select unwanted processes and tap on “End task” button.

Show Hidden Files & Folders To Remove Trojan:JS/Cryxos in Windows 10 PC

  • Navigate to Control Panel by hitting Windows+X button.

  • Select File Explorer Options or Folder Options.

  • Open the View tab.

  • Now, select Show hidden files, folders and drives option.

  • Uncheck the Hide protected operating system files.

  • Click on “Yes” when prompted to confirm and then tap on OK button.

  • Find and select the nasty files of Trojan:JS/Cryxos and delete them ASAP.

Step-by-Step Trojan:JS/Cryxos Uninstallation Process From Windows 8 / 8.1 PC Users

How To Boot Win 8 or 8.1 Computer in Safe Mode To Eradicate Trojan:JS/Cryxos

  • Press Win key + C together and click on Settings option.

  • Go to Troubleshoot and then tap on Advanced options.

  • Click on Startup Settings and press Restart.

  • Press 5 to Enable Safe Mode with Networking. Right after, you can identify the Trojan:JS/Cryxos and Remove it without wasting your time.

Remove Trojan:JS/Cryxos From Control Panel of Infected Windows 8 or 8.1 Machine

  • Go to the Start screen and tap on “Control Panel”.

  • Select “Uninstall a Program” option under program category.

  • Find and select the Trojan:JS/Cryxos associated application and click on “Uninstall” button.

Remove Trojan:JS/Cryxos Related Harmful Entries From Win 8/8.1 Registry Editor

  • Press “Win+R” key together to open “Run” box.

  • Type “Regedit” and click on “OK” button to open the Windows Registry Editor.

  • Remove all Trojan:JS/Cryxos related registry entries from the Registry Editor.

Stop Unwanted Processes of Trojan:JS/Cryxos Running on Windows 8/8.1 Task Manager

  • Hold “Ctrl+Alt+Del” altogether to launch the Windows Task Manager.

  • Go to the “Processes” tab in order to view all running processes on your Windows PC.

  • Select Trojan:JS/Cryxos related harmful tasks and click on End task button.

Show all Hidden files and folders To Remove Trojan:JS/Cryxos From Windows 8/8.1 System

  • Open your system and go to the Control Panel.

  • Type “folder” into the search bar and select “Show hidden files and folders” option.

  • Click on “View” tab and check “Show hidden files and folders” option.

  • Tap on “OK” button and all hidden Trojan:JS/Cryxos related files will appear on your computer screen.

  • Now, Remove them as soon as possible.

Quick Steps To Remove Trojan:JS/Cryxos From Affected Windows XP/Vista/7 PC

Start Compromised Windows XP/Vista/7 in Safe Mode To Remove Trojan:JS/Cryxos

  • Press F8 key continuously after the system is powered on or restarted.

  • Now, Advanced Boot Options menu will appear on your PC screen.

  • Select Safe Mode or Safe Mode with Networking option by using the arrow keys and press Enter button.

  • Now, look for the Trojan:JS/Cryxos and Remove it as soon as possible.

Remove Trojan:JS/Cryxos Related Rogue Program From Win XP/Vista/7 Control Panel

  • Click on Start button and go to Control Panel menu option.

  • In the opened Control Panel window, tap on Uninstall a Program option under Programs category.

  • Now, a list of installed programs will appear on your system’s screen. Here you can find and select the Trojan:JS/Cryxos-related program and click on Uninstall button.

Clean Harmful Registries of Trojan:JS/Cryxos From Win XP/Vista/7

  • Press Start button and choose Run option in order to open Registry Editor.

  • Type “regedit” in the open field and click on “OK” button.

  • Find the malicious registry entries created by Trojan:JS/Cryxos and Remove them as soon as possible.

Remove Unwanted Process of Trojan:JS/Cryxos From Task Manager of Win XP/Vista/7

  • To open the Windows Task Manager, press CTRL+ALT+DEL keys altogether.

  • Click on Processes tab and identify the malicious process of Trojan:JS/Cryxos.

  • Select the Trojan:JS/Cryxos related process and click on “End Process” button.

Show Hidden Files & Folders To Remove Trojan:JS/Cryxos Associated Files

  • Click on Start and go to the Control Panel.

  • Tap on Appearance and Personalization option.

  • Now, go to the Folder Options and click on View tab.

  • Locate Hidden files and folders category under the Advance settings section.

  • Then after, check mark “Show hidden files and folders option”, click on Apply and tap OK button.

  • Here, you can identify the Trojan:JS/Cryxos and its related files and folders in order to Remove it safely from your PC.

Quick Steps To Erase Trojan:JS/Cryxos

German Entfernen Trojan:JS/Cryxos In einfachen Klicks
French Savoir Comment Désinstaller Trojan:JS/Cryxos de Windows XP
Italian Facile guida per Rimuovere Trojan:JS/Cryxos
Spanish Borrar Trojan:JS/Cryxos de Windows 7
Portuguese Desinstalar Trojan:JS/Cryxos Em apenas alguns passos
Polish Pozbyć się Trojan:JS/Cryxos W prostych kliknięć

Quick Steps To Install Symantec Kovter Removal Tool for Trojan:JS/Cryxos Uninstallation


  • Trojan:JS/Cryxos modifies the system’s Internet Explorer security settings. This unables the users to download files with it. In order to fix this issue, press the Windows key on the keyboard and while holding it down, also press the R key on the keyboard. It will open the Run dialog box as displayed below :


Further, type Inetcpl.cpl in the ‘Run’ box for opening the Internet Explorer settings.

  • Now in Internet Explorer, tap ‘Security’ tab → ‘Reset all zones to default level’ button → ‘Apply’. Finally tap ‘OK’ to save all these settings.
  • Download Symantec Kovter Removal Tool. This tool is available in a 32-bit and 64-bit version. Thus, ensure to download the version having the same bit type only as your installed version of Windows.


  • After the successful installation of Symentac Kovter Removal Tool, double-click on FixToolKovter32.exe or FixToolKovter64.exe, depending on the version being downloaded.

  • Now to initialize scanning Trojan:JS/Cryxos with Symantec Kovter Removal Tool, tap Start button. This particular scanning do not take more than a few minutes.
  • Lastly after the completion of the scanning and Trojan:JS/Cryxos Deleting procedure, tool will display a prompt stating that it has finished.

Quick Steps To Use EaseUs Data Recovery Software To Rescue Lost Data Due to Trojan:JS/Cryxos Attack


  • First of all, download and install EaseUs Data Recovery Software onto your PC. Then after, select a location in order to start finding data deleted due to Trojan:JS/Cryxos and tap on “Scan” button.


  • The scan result interface provides a “Preview” option to preview any specific file types into the program.

  • After the preview of files, you can select the desired files and click on “Recover” option to save them on your device.

Specification of EaseUs Data Recovery Software

Important: Do not install the EaseUs data recovery software onto the disk where you lost your valuable data after Trojan:JS/Cryxos infection, because the lost files or data will be overwritten.