Formecomrigbot Virus


If the Formecomrigbot virus irritating and invasive web ads are constantly flooding the screen of your main browser each and every time you try to look for something on the Internet, you may want to read the next article. In it we will show you what you must do in order to rid yourself of the Formecomrigbot virus invasive advertising messages.


Normally, most online ads come from different sites that generate them and display them to their visitors. However, if you are reading this, then the ads you are struggling with are likely to have another origin. The so-called adware software category consists of applications and programs that function as added elements to Chrome, Firefox and other browsers. Their main purpose is to swarm the targeted browsers with as many ads, banners, box messages, pop-ups, new-tabs and page redirects as possible. Obviously, the reason behind this is money – the more the ads on your screen and the more clicks that they receive from you, the greater the profits. Usually, there is nothing beneficial for the end-user if there is a hijacker app in their system – only annoying and invasive web ads that make it difficult to use the browser. In some instances, some adware apps could potentially have useful features but even in these rare occasions, the irritation coming from the advertisements is likely to still be too much to put up with. This is why we have done our best to prepare a guide for our readers that contains the instructions they may need to remove an app called Formecomrigbot from their computer. Formecomrigbot and Karativa are among the newest of adware applications and there have recently been a lot of complaints about them. It is likely that you too have come here seeking assistance with the removal and uninstallation of Formecomrigbot which is why we will now give you our guide on removing it:

Sometimes, some of those ads may be unsafe

We certainly do not mean to scare you about the nature of Formecomrigbot. This app isn’t a virus, it cannot take your personal data hostage like some nasty Ransomware infection or corrupt important system data in your computer and thus render the machine unusable. The adware apps are actually quite harmless, especially when comparing them to Ransomware, Trojans and other dangerous and highly problematic pieces of malware. However, you should still be on your guard if there’s adware like Formecomrigbot inside your computer because its ads could be coming from anywhere on the Internet. Some of the banners and pop-ups may originate from legitimate online shops and sales platforms but others may come from unsafe and possibly illegal sites or ones with bad reputation. The point is, you can never be sure and also there is usually not much quality control when it comes to what ads are getting spammed on your screen. Due to all this, it is crucial that you keep away from any online commercial messages that may potentially be related to the adware app. Also, make sure you uninstall the invasive software so that all those unpleasant advertisements stop getting generated inside your browser.


Type Adware
Danger LevelMedium (nowhere near threats like Ransomware, but still a security risk)
Symptoms All those ads coming from the adware are sure to draw your attention to the presence of this app inside your computer and browser.
Distribution MethodSketchy ads, misleading web offers, spam letters and social network messages and posts, low-quality software installers, file bundles, etc.
Detection Tool

Remove Formecomrigbot Virus

To try and remove Formecomrigbot quickly you can try this:

  1. Go to your browser’s settings and select More Tools (or Add-ons, depending on your browser).
  2. Then click on the Extensions tab.
  3. Look for the Formecomrigbot extension (as well as any other unfamiliar ones).
  4. Remove Formecomrigbot by clicking on the Trash Bin icon next to its name.
  5. Confirm and get rid of Formecomrigbot and any other suspicious items.

If this does not work as described please follow our more detailed Formecomrigbot removal guide below.

If you have a Windows virus, continue with the guide below.

If you have a Mac virus, please use our How to remove Ads on Mac guide.

If you have an Android virus, please use our Android Malware Removal guide.

If you have an iPhone virus, please use our iPhone Virus Removal guide


Some of the steps will likely require you to exit the page. Bookmark it for later reference.

Reboot in Safe Mode (use this guide if you don’t know how to do it).



Press CTRL + SHIFT + ESC at the same time and go to the Processes Tab (the “Details” Tab on Win 8 and 10). Try to determine which processes are dangerous. 


Right click on each of them and select Open File Location. Then scan the files with our free online virus scanner:

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    After you open their folder, end the processes that are infected, then delete their folders. 

    Note: If you are sure something is part of the infection – delete it, even if the scanner doesn’t flag it. No anti-virus program can detect all infections. 


    Hold together the Start Key and R. Type appwiz.cpl –> OK.


    You are now in the Control Panel. Look for suspicious entries. Uninstall it/them.

    Type msconfig in the search field and hit enter. A window will pop-up:


    Startup —> Uncheck entries that have “Unknown” as Manufacturer or otherwise look suspicious.


    Hold the Start Key and R –  copy + paste the following and click OK:

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

    A new file will open. If you are hacked, there will be a bunch of other IPs connected to you at the bottom. Look at the image below:

    hosts_opt (1)

    If there are suspicious IPs below “Localhost” – write to us in the comments.

    Open the start menu and search for Network Connections (On Windows 10 you just write it after clicking the Windows button), press enter.

    1. Right-click on the Network Adapter you are using —> Properties —> Internet Protocol Version 4 (ICP/IP), click  Properties.
    2. The DNS line should be set to Obtain DNS server automatically. If it is not, set it yourself.
    3. Click on Advanced —> the DNS tab. Remove everything here (if there is something) —> OK.


    • After you complete this step, the threat will be gone from your browsers. Finish the next step as well or it may reappear on a system reboot.

    Right click on the browser’s shortcut —> Properties.

    NOTE: We are showing Google Chrome, but you can do this for Firefox and IE (or Edge).


    Properties —–> Shortcut. In Target, remove everything after .exe.

    Browser Hijacker Removal Instructions

    ie9-10_512x512  Remove Formecomrigbot from Internet Explorer:

    Open IE, click  IE GEAR —–> Manage Add-ons.

    pic 3

    Find the threat —> Disable. Go to IE GEAR —–> Internet Options —> change the URL to whatever you use (if hijacked) —> Apply.

    firefox-512 Remove Formecomrigbot from Firefox:

    Open Firefoxclick  mozilla menu  ——-> Add-ons —-> Extensions.

    pic 6

    chrome-logo-transparent-backgroundRemove Formecomrigbot from Chrome:

    Close Chrome. Navigate to:

     C:/Users/!!!!USER NAME!!!!/AppData/Local/Google/Chrome/User Data. There is a Folder called “Default” inside:

    Rename the Folder to Backup Default

    Rename it to Backup Default. Restart Chrome.


    Type Regedit in the windows search field and press Enter.

    Inside, press CTRL and F together and type the threat’s Name. Right click and delete any entries you find with a similar name. If they don’t show up this way, go manually to these directories and delete/uninstall them:

    • HKEY_CURRENT_USER—-Software—–Random Directory. It could be any one of them – ask us if you can’t discern which ones are malicious.
      HKEY_CURRENT_USER—-Software—Microsoft—-Windows—CurrentVersion—Run– Random
      HKEY_CURRENT_USER—-Software—Microsoft—Internet Explorer—-Main—- Random

    If the guide doesn’t help, download the anti-virus program we recommended or try our free online virus scanner. Also, you can always ask us in the comments for help!


    About the author


    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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