Re-captha-version-3-21.icu Ads Virus. How to delete?

Written by Valdis Koks

Re-captha-version-3-21.icu search hijacker is a sort of virus that injects into your computer system, and then switches the search engine settings in your web browser to one which it desires. It likewise makes different unpleasant modifications that might lead to private information leaks, in addition to various other malware penetration. In this post, you will see the tutorial of Re-captha-version-3-21.icu hijacker clearing in several methods, as well as additionally the technique of making your web browser just as good as new.

icon hijacker - Do I really need it?

Re-captha-version-3-21.icu Info

Name Re-captha-version-3-21.icu extension
Type Browser hijacker1
Short Description The unwanted software that amends important browser settings without the user’s permission.
Symptoms The Re-captha-version-3-21.icu hijacker replaces the browser parameters set by the users and replaces these settings with its own values.
Distribution Method Bundling with Freeware or Shareware, misleading pop-up ads produced by adware.
Detection Tool Inspect If Your System Has Been Affected by the Re-captha-version-3-21.icu hijacker.

The methods of injection of Re-captha-version-3-21.icu search hijackers are assorted. Most of them belong to the malware spreading through the malvertising or malevolent links of different internet sites. Frequently, your PC might be contaminated with this virus via the trojan-downloader, which is put to use to disperse numerous other malware. There is a single kind of this unwanted program – browser plugin that can build right into any type of internet browser which supports the add-on installment2.

You will not likely setup this plugin on your own, because their names are quite suspicious, and the usefulness is very questionable. The “creators” of Re-captha-version-3-21.icu hijacker typically specify that it can save the .doc/.docx documents from the sites already to .pdf format, or to download the whole site on your disk. It is really hard to imagine if somebody may be needed in such features in 2024, when the Web access is not time-limited and every computer is able to open the needed .docx files at Google Docs.

Nevertheless, besides their impracticality, they can easily be located in the Chrome Web Store. Obviously, virus experts sound the alarm regarding such spam right into the legitimate source of web browser extensions, requiring the Google response – removing these extensions from their site. But they are still not hurrying to repair that protection problem.

Icon - Your PC hijacker

Is the Re-captha-version-3-21.icu virus?

At the first blush, you may believe that these redirects are only bothersome, but not hazardous. As a result of this factor a number of people are just playing for time instead of eliminating this malware, obtaining much more chances of being contaminated with numerous other malware, which are a lot more severe than Re-captha-version-3-21.icu is.

Besides the changed browser search engine or search results, you may likewise see different ads even on those sites that do not have any ads on it by default. And you can easily misclick while closing the advertisement, and begin the downloading of an unknown file, which can be a malware, or a potentially unwanted program, or even ransomware – whatever the maintainers of this hijacker want.

If your browser is damaged because of the Azorult trojan task, the system can begin malfunctioning soon – this symptome is one of the most common in case of trojan infiltration.

Icon - remove Re-captha-version-3-21.icu hijacker

How to remove Re-captha-version-3-21.icu?

First, let me say several words about prevention the Re-captha-version-3-21.icu virus infiltration. It is extremely simple to refer to the tactics of shielding your personal computer from such irritating items as browser hijackers, but it is quite simple to be caught on this bait perhaps even being a qualified user. As it was pointed out above, this malware can hide after the eye-catching (at the first sight) promotion, or in packs with other adware you may get in dozens of manners. However, despite the usual complexity of the injection approaches, it is really easy to stay away from the Re-captha-version-3-21.icu hijacker presence in your system:

  • Do not follow the dubious links;
  • Restrict the usage of pseudo-free software (one which is offered as free, but has an additional unwanted programs in its pack);
  • Leave the habit of clicking advertisements on the web. If you need to buy something, it is better to google it;
  • Avoid downloading the files from dubious sources, like forums or file sharing websites.

Preparation before removing Re-captha-version-3-21.icu.

Before starting the actual uninstall procedure, we recommend that you do the following introductory milestones.

  • Ensure you have this manual tutorial constantly prepared to use.
  • Do a back-up of every one of your information, consisting of the saved logins, passwords and other qualifications. You should support your information with a cloud back-up service and make sure your documents are secured from any type of loss, even from the most serious infections.
  • Wait until the long-lasting back-up process mores than.

Step 1: Uninstall Re-captha-version-3-21.icu and related software from Windows

Here is a method in couple of simple steps that ought to be able to uninstall most applications. Either you use Windows 10, 8, 7, Vista or XP, these milestones will work well. Moving the app or its folder to the Trash can be a very wrong idea. In case you do that, remnants of the app may remain, and that can cause the unstable performance of your system, malfunctions with the file type associations and other unpleasant behavior. The effective solution to get an app off your device is to remove it manually. To do that:

1. Keep holding the Windows Logo Button and “R” on your keyboard. A Pop-up window will soon arrive.

Windows keyboard R

2. In the field that appeared, type in “appwiz.cpl” -1  and choose OK – 2.

Run appwiz.cpl

 

3. This will open a window with all the apps available on the device. Choose the app that you want to get rid of, then choose “Uninstall

Follow the steps above and you will successfully get rid of most unwanted apps.

Step 2: Get rid of Re-captha-version-3-21.icu from all your available browsers.

Mozilla FirefoxGoogle ChromeInternet ExplorerMicrosoft Edge

1. Launch Mozilla Firefox. Go to its menu window

2. Choose the “Add-ons” icon in the menu.

3. Find the unwanted extension and select “Remove

Mozilla Firefox Add-ons Remove

4. Upon deleting the extension, reload Mozilla Firefox, closing it with the help of a red “X” button in the upper right corner and start it again.

1. Launch Google Chrome and go to its drop menu

Google Chrome drop menu click

2. Click on “Tools” and then in the extended menu select “Extensions

Google Chrome Tools select Extensions

3. In the “Extensions” menu find the unwanted extension and apply the “Remove” button related to it.

Google Chrome Extensions Remove

4. As soon as the extension is deleted, reload Google Chrome by closing it by means of the red “X” button at the top right corner and launch it again.

1. Launch Internet Explorer

2. Click on the gear icon marked ‘Tools’ to open the drop menu and choose ‘Manage Add-ons’

Manage-add-ons

3. In the “Manage Add-ons” window, locate the extension you want to delete and then click “Remove”. A pop-up window will come up to inform you that you are about to delete the selected extension, and some more add-ons might be disabled as well. Leave all the boxes checked, and choose “Remove”.

Internet Explorer extension removal

4. Once the unwanted extension is deleted, reload Internet Explorer by shutting it down from the red “X” button located at the top right corner and launch it again.

1. Launch Edge

2. Access the drop menu by clicking on the icon at the top right corner.

3. From the drop menu choose “Extensions”.

Microsoft Edge menu Extensions

4. Locate the suspected dangerous extension you want to delete and then click on the Remove button.

Microsoft Edge Extensions Remove

Step 3: Clean any registries that could be added by Re-captha-version-3-21.icu on your device.

The usually attacked registries of Windows machines are the following:

  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
  • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce

You can access them by going to the Windows registry editor and getting rid of any values added by Re-captha-version-3-21.icu. Follow the steps below:

  1. Start the Run Window command once again, type “regedit” and click OK.Window command regedit
  2. As soon as you open it, you can freely go to the Run and RunOnce keys, whose locations are displayed above.Window command Run and RunOnce keys
  3. You can delete the value of the virus by right-clicking on it and deleting it.Window command regedit delete the value virus

Tip: To locate a virus-created value, you can right-click on it and select “Modify” to find which file it is set to run. If this is the malware file location, delete the value.

Step 4: Scan for Re-captha-version-3-21.icu with Loaris Trojan Remover

1. Click on the “Download” button to proceed to Loaris Trojan Remover download.

It is recommended to run a scan before purchasing the full version of the software to make sure that the current version of the malware can be detected by Trojan Remover. Click on the corresponding links to check License AgreementPrivacy Policy.

2. Click “Install” to start.

Loaris Trojan Remover Install

There were 4 scan types suggested:

  • Standard Scan.
  • Full Scan.
  • Custom Scan.
  • Removable Scan.

 

3. After the installed has finished, click on the ‘Scan’ tab. Click on ‘Full Scan’.

Loaris Trojan Remover Full Scan

4. Once the scanning is started, Loaris will initiate the thorough analysis of your device and may soon identify specific threats currently slowing down the performance of your system. Make sure to wait until the scanning is completed to let the software fully evaluate the safety of your workstation.

Loaris Trojan Remover - scan in process

5. After Loaris Trojan Remover has finished scanning your PC for any files of the associated threat and found them, you can try to get them removed automatically and permanently by clicking on the ‘Apply’ button. There were options to move the files to quarantine, ignore or delete them.

Loaris Trojan Remover - show viruses

If any threats have been removed, it is highly recommended to restart your PC.

 

  1. About browser hijackers on Wikipedia
  2. Possible danger of free browser extensions

About the author

Valdis Koks

Security engineer, reverse engineering and memory forensics

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