Remove DevTool: Remove CSP, IFrame option Virus (Chrome/FF/IE)

DevTool: Remove CSP, IFrame option Virus

Is DevTool: Remove CSP, IFrame option a Virus?

DevTool: Remove CSP, IFrame option Virus
Users claiming DevTool: Remove CSP, IFrame option is a virus

Browser hijackers have been annoying the web users for many years now and not much has changed about these programs throughout all this time. They still integrate with popular browsers like Chrome, Firefox, Explorer in order to alter their settings. Most commonly, the changes are related to modifications of the browser’s homepage URL, or of the default search engine, which typically get replaced with some custom and unknown ones that the hijacker is seeking to promote and popularize. Users also often report that the new search engine tends to page-redirect their searches to different unfamiliar pages full of ads, banners, and aggressive pop-ups. Therefore, it is not surprising that even the newest Browser Hijackers like DevTool: Remove CSP, IFrame option employ these very same hijacking methods, as well as a number of others, that we will describe in the next lines.

First, however, since many users have concerns that DevTool: Remove CSP, IFrame option may be a virus or some strange malware similar to Trojans or Ransomware, we will shed a little light on what this software really is about. And last but not least, we will provide our readers with a detailed removal guide on how to remove this Browser Hijacker permanently, and how to uninstall its irritating changes.

How dangerous DevTool: Remove CSP, IFrame option can  be?

DevTool: Remove CSP, IFrame option
DevTool: Remove CSP, IFrame option handle your Google Chrome browser and you can not delete it.

We will start with the most pressing issue and that is whether or not DevTool: Remove CSP, IFrame option has something to fear from. Fortunately, we have some good news – the Browser Hijackers are not harmful programs. They are simply tools that the online marketing industry uses to promote different products, services and websites on the users’ screens during their web browsing. Therefore, a piece of software like DevTool: Remove CSP, IFrame option does not represent a security risk for your system. However, such software does not really fall in the same category as regular programs you use every day either. The Browser Hijackers like DevTool: Remove CSP, IFrame option or are considered to be potentially unwanted programs (PUPs), because whatever free or useful functionality they provide, in the majority of cases, it cannot compensate for the ad-generation, the page-redirects, and the browsing disturbance they create. This is because the PUPs are a type of programs that serve third parties, and may have potentially negative effects (such as noticeable slowdown, screen-freezing, browser unresponsiveness or sudden crashes) on your system, especially if you let them operate longer.

Speaking of third parties, you may or may not know that software like DevTool: Remove CSP, IFrame option may actually monitor your browsing behavior. It does that in order to obtain valuable marketing-related information that helps the advertisers and the marketers behind it to determine which of their ads will be more appealing to you, so they can re-position them accordingly. This way, they can earn better revenue every time you click on something the Hijacker displays. The collected information is not considered personal, but it may still include the sites your visit, the things you search for using the sponsored search engine, etc. Besides, clicking on all the sponsored ads, pop-ups, and banners that a program like DevTool: Remove CSP, IFrame option may display on your screen may put you at risk of running into actual viruses like Trojans and Ransomware. So, from that perspective, you may consider such software to be a safety hazard. For this reason we think it is a good idea to remove the unwanted application, and uninstall its changes with the help of the removal guide below.


Name DevTool: Remove CSP, IFrame option
Type  Browser Hijacker
Danger Level Medium (nowhere near threats like Ransomware, but still a security risk)
Symptoms  Hijackers are easily-noticeable due to their intrusive adverts.
Distribution Method Hijackers are distributed through the help of other program’s installers.







How To Remove DevTool: Remove CSP, IFrame option Virus

DevTool: Remove CSP, IFrame option Android Removal guide

DevTool: Remove CSP, IFrame option Mac Removal guide.

The following guide is only for windows users, it will help our readers get rid of the unpleasant DevTool: Remove CSP, IFrame option software. Follow the instructions and complete each step for best results. If you have any questions, feel free to ask them using our comment section down below.

Preparation: Entering Safe Mode and Revealing Hidden Files and Folders

Before you proceed with the actual removal instructions, you will need to take two extra steps in order to ensure that the guide has maximum effect.

For best results, we advise our readers to boot into Safe Mode prior to attempting to remove DevTool: Remove CSP, IFrame option. If you do not know how to do that, here is a separate How to Enter Safe Mode guide.

Also, in order to be able to see any potentially undesirable files, you should reveal any hidden files and folders on your PC – here is how to do that.

Removing DevTool: Remove CSP, IFrame option From Windows

Step 1: Checking the Task Manager

Before we start deleting files related to DevTool: Remove CSP, IFrame option we want to make sure that all services related to the viruses are killed before we proceed. 

Open your Task Manager by using the Ctrl + Shift + Esc keys and go to the Processes tab. Look for any suspicious processes. For example, any unfamiliar process that uses high amounts of RAM and/or CPU. If you aren’t sure if a certain process comes from malware, tell us in the comments.

Right-click on any process that you consider shady and select Open File Location. Delete anything from the file location of the process.


Step 2: Disabling Startup programs

Use the Winkey + R keyboard combination to open the Run search bar and type msconfig. Hit Enter and in the newly opened window, go to the Startup tab. There, look for suspicious entries with unknown manufacturer or ones that have the name DevTool: Remove CSP, IFrame option on them. Right-click on those, and select disable.

Step 3: Uninstalling unwanted programs

Go to Start Menu > Control Panel > Uninstall a Program. Click on Installed On to sort the entries by date from most recent to oldest and look through the programs that come at the top of the list. Right-click on any entries that appear shady and unwanted and then select Uninstall to remove them from your PC. If you see the name DevTool: Remove CSP, IFrame option in the list of programs, be sure to remove the software without hesitation.

Step 4: Checking for shady IP’s

Open your Start Menu and copy-paste notepad %windir%/system32/Drivers/etc/hosts in the search bar. In the notepad file, look below Localhost and see if there are any IP addresses there. If there are some, send them to us in the comments and we will tell you if you should take any action. [add_forth_banner]

Step 5: Cleaning-up the browsers

You will also have to uninstall any undesirable browser extensions from your browser programs. Here’s how to do that for some of the more popular browsers:

Getting rid of DevTool: Remove CSP, IFrame option from Chrome

Open Chrome and open its main menu. Go to More Tools > Extensions. Look through the list of extensions and uninstall any that you think could be suspicious. To remove them – click on the trash can icon next to each extension.

You can also use a specialized Chrome CleanUp tool if you cannot manually remove a certain extension. Here is an article where you can learn more about the CleanUp tool.

Removing DevTool: Remove CSP, IFrame option From Firefox

Open Firefox and go to its Menu. Select the Add-ons button.From the left panel, select Extensions and take a look at the different entries. Remove any of the that might be unwanted.

Removing DevTool: Remove CSP, IFrame option From Windows Internet Explorer

Once you open your IE browser, click on the Tools button at the top-right corner of the program and from the drop-down menu select Manage Add-ons. Check each one of the four different groups of add-ons and search for anything that seems undesirable. If you find anything, click on it and them select Remove.

Removing DevTool: Remove CSP, IFrame option From Windows Edge

Open the main menu of Microsoft Edge and go to Extensions. Find the extensions that you believe could be unwanted and right-click on them. Then, select Uninstall.

Step 6: Checking the Registry Editor

Open the Run search bar again and type regedit in it. Hit Enter and once the Registry Editor opens press Ctrl + F. In the search field type DevTool: Remove CSP, IFrame option and click on Find Next. Tell us in the comments if any results came up when you searched for DevTool: Remove CSP, IFrame option in your PC’s Registry.


Step 7: Deleting recent entries

For this step, you will have to open your Start Menu and copy-paste the following lines, one by one:

  • %AppData%
  • %LocalAppData%
  • %ProgramData%
  • %WinDir%
  • %Temp%

Hit Enter after each one to open a file directory. In the directories, delete the most recent entries that you find there. In the Temp folder, delete all files.

Step 8: System Restore

In order to be fully sure that the unwanted software has been removed from your machine, you can also try using a Restore Point to roll back your system its last stable configuration. However, in order to do that, you would have to previously had had a restore point created. On most systems, such points get created automatically but this isn’t always the case.

  • If you want to learn how to configure System Restore and how to manually create Restore Points, follow this link.

  1. Open your Start Menu and type System Restore.
  2. Click on the first result – a setup wizard should open.
  3. Read the brief description of the process and select Next.
  4. Now, choose a restore from the presented list. You can also check the Show more restore points option in order to reveal any other restore points that might be saved on your PC.
  5. Click on Scan for affected programs to see what programs will get deleted or restored after you use the Restore Point. (optional)
  6. Click on next and take and then select Finish.
  7. A warning window will appear telling you that once the process starts, it shouldn’t be interrupted. Select Yes and be patient as this might take some time. Do not do anything on your PC throughout the duration of the process.

Step 9: Windows Refresh/Reset

Use this method only if nothing else has worked so far as it is a last resort option. If you do not know how to do it, this separate guide will give you the information that you need.

Daniel Sadakov has a degree in Information Technology and specializes in web and mobile cyber security. He harbors a strong detestation for anything and everything malicious and has committed his resources and time to battling all manners of web and mobile threats. He has founded, a website dedicated to covering the top tech stories and providing useful tips for the everyday user, in an effort to reach and help more people.
  • Hi, this is what I have found under Localhost in the notepad mentioned above. Should I take any action?

    # localhost
    # ::1 localhost

  • I have Windows 10 64-bit
    At step 6 these are the files that show.
    location bar: Computer\HKEY_USERS\.DEFAULT\Software\Classes\Local Settings\MrtCache\C:%5CWindows%5CSystemApps%5CMicrosoft.MicrosoftEdgeDevToolsClient_8wekyb3d8bbwe%5Cresources.pri\1d4de0e593d3c87\a37dfe62

    Name: (Default)
    Type: REG_SZ
    Data: (value not set)
    Name: @{C: \Windows\SystemApps\ Microsoft.MicrosoftEdgeDevToolsClient_8wekyb3d8bbwe\resources.pri? ms-resource://resources/Description}
    Type: REG_SZ
    Data: Microsoft Edge DevTools Client

    Name:@{C: \Windows\SystemApp\Microsoft.MicrosoftEdgeDevToolsClient_8wekyb3d8bbwe\resources.pri? ms-resources:///resources/DisplayName}
    Type REG_SZ
    Data: Microsoft Edge DevTools Client

    Name:@{C: \Windows\SystemApps\ Microsoft.MicrosoftEdgeDevToolsClient_8wekyb3d8bbwe\resources.pri? ms-rource:///rescouces/PublisherDisplayName)
    Type: REG_SZ
    Data: Microsoft Corporation

    Name:@{C: \Windows\SystemApps\ Microsoft.MicrosoftEdgeDevToolsClient_8wekyb3d8bbwe\resources.pri? ms-resource:///resource:?TileDisplayName}
    Type: REG_SZ
    Data: Microsoft Edge DevTools Client

    Name: LanguageList
    Type: REG_MULTI_SZ
    Data: _en-US_standard_100_US_LTR_light_Desktop_

    • Hello JRose

      After having a look at the registry, all seems to be OK with the ones that you have sent. Please let us know if you were successful with the removal.

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