ReversCaptcha Virus


ReversCaptcha

ReversCaptcha is a PUA (potentially unwanted app) that can be categorized as a browser hijacker due to its aggressive behavior in the browser. ReversCaptcha gets installed in the browser similarly to a browser add-on and it changes the settings of the affected browser without permission.

ReversCaptcha

The ReversCaptcha virus is able to control your browsing experience to a certain extent

Some of the changes that typically occur when an app like this one gets added to the browser are replacements of certain browser elements (mainly the homepage and the search engine page/service). By making such changes in the browser, the hijacker is able to control your browsing experience to a certain extent, choosing what adverts you see, what search results are favoured when you look something up, and what sites you get redirected to whenever you click on an advert. In addition, this app will likely significantly increase the number of ads you see in your Edge, Chrome, Firefox, or other browser. If you have suddenly started seeing an unusually big number of advertisements in your browser and if you are frequently getting automatically redirected to sites that aggressively try to sell you their products or to get you to subscribe to some web service, then it is almost certain that there is a browser hijackers like ReversCaptcha or Higher Captcha-Settle in your computer system.

The ReversCaptcha Virus

One thing that users are typically mistaken about is the nature of the ReversCaptcha virus of the hijacker category. While there are certainly a number of reasons why one could label such an app as malware, calling software like the ReversCaptcha app a virus is technically not correct.

The reason for this becomes more apparent when we compare browser hijackers the likes of ReversCaptcha to a dangerous malware threat like a Trojan or Ransomware. For starters, the hijacker doesn’t try to stay hidden and remain unnoticed (quite the opposite), whereas Trojans, Ransomware, and Spyware are all about staying undetected for as long as possible so that they could complete their harmful tasks.

The task of the software in question is another aspect in which hijackers and actual threatening viruses differ. While most forms of computer viruses are designed to harm or corrupt something in the system, or to spy on their victims, the hijacker apps are mostly used for making money through their paid ads – an activity that is far less harmful. All things considered, if there is a hijacker on your computer, there shouldn’t be a reason to panic. This, however, is not to say that you shouldn’t remove the invasive app and here’s why:

The Revers Captcha virus

Security experts typically advise users to not allow the Revers Captcha virus to reside on their computers for long, or else the system could get potentially exposed to danger. Even though the Revers Captcha virus will probably not harm the computer, its adverts, pop-ups, and redirects could eventually land the user on insecure sites where more hazardous forms of software may be present.

It is, therefore, safer for your system if you use the instructions we have prepared to uninstall ReversCaptcha and clean your browser.

SUMMARY:

Name ReversCaptcha
Type  Browser Hijacker
Detection Tool

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Remove ReversCaptcha virus

If you don’t have much time and want to remove ReversCaptcha as quickly as possible, please give a try to the following instructions:

  1. Click on your browser’s options button and select More Tools (or Add-ons) from the lists of available options.
  2. Next, if there is Extensions tab/sub menu, open it.
  3. Next, carefully review the extensions that have been installed in the problematic browser and search for ReversCaptcha or other potentially unwanted extensions that you believe are hijacking your results.
  4. Remove ReversCaptcha (and any other extensions that look suspicious) by clicking on the Trash Bin/Remove button next to each of them.
  5. Finally, start a new search in the browser and see how it behaves without the potentially unwanted extensions in it.

If the problem has been resolved, and you are happy, there is no need to do anything else. If, however, ReversCaptcha is still disturbing your browsing experience with auto-redirects and random pop-up ads, please use the detailed ReversCaptcha removal guide below to get rid of any hijacker-related components that might have been added to your system.


Step1

As a start, make sure you bookmark the page with this ReversCaptcha removal guide becuase you will need to refer back to it several times during the removal process.

Next, it is a good idea to reboot your system in Safe Mode (follow the instructions from the link) and once the computer restarts, proceed to the next step from this guide.

Step2

WARNING! READ CAREFULLY BEFORE PROCEEDING!

As soon as the computer starts, press CTRL, SHIFT and ESC from the keyboard at the same time and, in the Task Manager window that opens, click on the Processes Tab.

Next, search for processes that could be related to ReversCaptcha. It is not necessary that they are named exactly after the browser hijacker, therefore, you may need to look for processes that have random or unusual name, as well as processes that are consuming a lot of CPU and Memory without any particular reason.

If something suspicious catches your attention, highlight it and then right-click >>>Open File Location.

malware-start-taskbar

Then scan the files stored in that location with the powerful free online virus scanner:

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    If the scanner detects danger in any of the files, end the processes by right-clicking on it >>> End Process.

    Also, don’t forget to delete the dangerous files and their folders. 

    If you find more than one suspicious process, you can use the scanner as many times as needed.

    Step3

    In many cases, apps like ReversCaptcha don’t get installed on their own bur are rather introduced to the system by another attractive application through software bundling. Therefore, if you have recently installed another app on your PC, and after the installation of that app ReversCaptcha has appeared, you may need to uninstall that app by going to Start menu>>>Control Panel >>>Programs>>>Uninstall A Program

    Filter the apps by date of installation and look for suspicious entries that could be linked to ReversCaptcha or any potentially unwanted apps that have been installed without your approval and Uninstall it/them.

    After you are done with that, close the window and go to the Start menu.

    Type msconfig in the search field and press Enter.

    Then, in System Configuration, click on the Startup tab and, if you find any startup items that could be related to your disturbance, remove their checkmark from the respective checkbox. When you are done, click OK and close the window.

    msconfig_opt

    Step4

    Next, copy this:

    notepad %windir%/system32/Drivers/etc/hosts

    Then, paste it in the Start menu search bar and open the Hosts file that shows in the results.

    Then, in the text, find Localhost and check if some strange IP addresses, like those on the image below, have been added there:

    hosts_opt (1)

    If you find nothing suspicious, just close the file. If, however, you detect some strange IP addresses there, please copy them and drop us a message in the comments below, so we can take a look and advise you on what to do.

    Next, in the Start menu, search for Network Connections and open it. Then, repeat the instructions below:

    • With a right-click on the currently used Network Adapter, select Properties
    • Then, in the Properties window, highlight Internet Protocol Version 4 (ICP/IP) and click  Properties at the bottom.
    • Then, make sure that Obtain DNS server address automatically is selected with a dot and if it is, click on Advanced
    • Next, in the Advanced TCP/IP Settings window, select the DNS tab and remove any rogue DNS that has been added.
    • Finally, click OK and close the window.

    DNS

    Step5

    In this step, we will go in details about how to remove ReversCaptcha from all the browsers that are presently installed on your system.

    Right-click on the problematic browser’s shortcut icon and then open Properties.

    NOTE: Below we will demonstrate the instructions in Google Chromeр but you can repeat the same in Firefox and IE (or Edge).

    browser-hijacker-taskbar-properties

    Then, in the Properties window open the Shortcut tab and check if anything new has been added iTarget. In case you detect something unusual after .exe, remove it.

    Browser Hijacker Removal Instructions

    ie9-10_512x512  Remove ReversCaptcha from Internet Explorer:

    Here are the browser-specific instructions for IE. Just open the browser, click  IE GEAR —–> Manage Add-ons.

    pic 3

    Then, in the add-ons list, Disable anything that you find suspicious.

    After that, click  IE GEAR once again and this time open  Internet Options.

    Then, in the Homepage section, check if the homepage address has been changed and if it is, type an address that you trust and click on Apply.

    firefox-512 Remove ReversCaptcha from Firefox:

    The instructions are almost similar in Firefox. All you need to do is click  mozilla menu  ——-> Add-ons —-> Extensions and then remove the extensions that you find as potentially unwanted.

    pic 6

    chrome-logo-transparent-backgroundRemove ReversCaptcha from Chrome:

    Next, close the browser after you have removed any extensions that look suspicious and go to the following location:

     C:/Users/!!!!USER NAME!!!!/AppData/Local/Google/Chrome/User Data. 

    Select the “Default” folder and rename it to Backup Default.

    Rename the Folder to Backup Default

    Save it with that name and restart the browser.

    Step6

    Finally, start the registry editor (Type Regedit in the Start menu search bar and open the editor) and manually search for entries related to ReversCaptcha in the registry. The quickest way to do that is to press press CTRL and F together and write the name of the browser hijacker in the Find window. Then, start a search and delete everything that appears in the results with that name.

    Additionally, you can go to each of the following locations by navigating to them from the left panel of the registry editor:

    • HKEY_CURRENT_USER—-Software—–Random Directory.
    • HKEY_CURRENT_USER—-Software—Microsoft—-Windows—CurrentVersion—Run– Random
    • HKEY_CURRENT_USER—-Software—Microsoft—Internet Explorer—-Main—- Random

    In each of them, search for unusual files and folders that have been added around the time the hijacker started to disturb you and if you detect anything, make sure you delete it.

    If you find it hard to deal with ReversCaptcha manually, or you don’t want to risk corrupting your PC by deleting anything wrong, please download the anti-virus program we recommend on this page or scan any file that looks suspicious with our free online virus scanner. In case you run into any trouble, feel free to write to us in the comments. We will do our best to help.

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    About the author

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    Brandon Skies

    Brandon is a researcher and content creator in the fields of cyber-security and virtual privacy. Years of experience enable him to provide readers with important information and adequate solutions for the latest software and malware problems.

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