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Happy Lucky Fellow Virus

Parasite may reinstall itself multiple times if you don't delete its core files. We recommend downloading SpyHunter to scan for malicious programs installed with it. This may save you hours and cut down your time to about 15 minutes. 

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More information on SpyHunter, steps to uninstallEULAThreat Assessment Criteria, and Privacy Policy.

This page aims to help you remove Happy Lucky Fellow . Our removal instructions work for Chrome, Firefox and Internet Explorer, as well as every version of Windows.

Happy Lucky Fellow

Happy Lucky Fellow is an application of the browser hijacker type that may affect the way your web browser functions. Happy Lucky Fellow is known for delivering sponsored search results and ads on the screen by replacing the main browser’s search engine and homepage.

Happy Lucky Fellow

The site will display fake error messages that ask you to subscribe to notifications from this site.

Browser hijackers aren’t the most pleasant type of software to deal with but they seem to find their way into our computers quite often. One of the latest variants of this software type is called Happy Lucky Fellow and, like a typical browser hijacker, it may replace the homepage of your browser and set a new search engine as the default search engine. In addition, during the time this hijacker is on your PC, you are likely to experience frequent page redirects and may also witness a stream of aggressive ads, banners, and pop-ups on every website you visit. Happy Lucky Fellow can integrate with virtually all of the most popular browsers, including Chrome, Firefox, Edge, Opera, etc., and hijack them. Unfortunately, you won’t be able to remove the browser changes and restore your browser’s settings to the state they were before the infection unless you fully uninstall the browser hijacker from the computer. That’s why we offer you a detailed removal guide to help you locate and safely uninstall Happy Lucky Fellow . We also offer you a professional removal tool that you can use to scan your computer for this and other undesirable software.

The Happy Lucky Fellow Virus

Happy Lucky Fellow is an undesirable software app of the browser hijacker family and it is known for taking over the browser and adding new elements to it without permission. Happy Lucky Fellow can set up a new homepage address and install some new search engine in the browser.

Just like any other browser hijacker, the purpose of Happy Lucky Fellow is to generate and display numerous online ads. For example, every time you start a new browsing session you may see various pop-ups, banners, promotional messages, and colorful notifications that constantly prompt you to click on something. Since you are on this page, the activities of this hijacker have probable become too intrusive to tolerate and you’ve realized that no matter what you do, you can’t stop them. The reason is that the creators of these ads are paying the developers of the browser hijacker to display them as much as possible. In fact, the advertisers pay the hijacker’s creators based on the number of clicks the ads collect from users. This is done according to remuneration models such as the infamous Pay-Per-Click, which is actually the main method that dictates the behavior of programs like Happy Lucky Fellow . is a potentially unwanted extension that gets installed on Chrome, Firefox, or other browsers and changes some of their settings without being given user permission. is programmed to get you redirected to sites that are intended to get a traffic boost.

In order to get more user clicks and to generate greater revenue for their developers, browser hijackers such as Happy Lucky Fellow tend to “hijack” the default browser by installing a new homepage that redirects to specific sponsored sites. They also tend to change the main search engine with another one, which typically generates sponsored results and pay-per-click ads. Sometimes, the browser hijackers may go even further by automatically redirecting your web searches to sites that are considered to match your interests and latest search queries.

Being exposed to random sites with aggressive web ads, however, is not only unpleasant but also may lead to an accidental encounter with security hazards, including Trojans, Ransomware, and other viruses.

This may seem quite disturbing to you, and there really is a reason to be concerned and to avoid the sponsored messages that Happy Lucky Fellow displays on your screen. Legitimate-looking ads can be used to distribute all sorts of computer infections and, as a matter of fact, a great number of Ransomware cryptoviruses use infected ads to contaminate the web users.

For this purpose, we would like to advise our readers to keep away from random pop-ups, banners or similar advertisements and to take the necessary measures to uninstall their source as there’s simply no need to risk the safety of their computers by accidentally clicking on something potentially misleading.


Name Happy Lucky Fellow
Type  Browser Hijacker
Danger Level Medium (nowhere near threats like Ransomware, but still a security risk)
Symptoms  You may experience automatic page-redirects to various websites full of ads, banners and promotions.
Distribution Method Developers typically distribute Browser Hijackers in a bundle with other software, free applications, games, browser add-ons, torrents and email attachments.
Detection Tool

Happy Lucky Fellow Virus Removal

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).



We get asked this a lot, so we are putting it here: Removing parasite manually may take hours and damage your system in the process. We recommend downloading SpyHunter to see if it can detect parasite files for you.

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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Maximum file size: 128MB.

This scanner is free and will always remain free for our website's users. You can find its full-page version at:

Scan Results

Virus Scanner Result

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.


To remove parasite on your own, you may have to meddle with system files and registries. If you were to do this, you need to be extremely careful, because you may damage your system.

If you want to avoid the risk, we recommend downloading SpyHunter
a professional malware removal tool.

More information on SpyHunter, steps to uninstallEULAThreat Assessment Criteria, and Privacy Policy.

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.

ie9-10_512x512  Remove Happy Lucky Fellow  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 Happy Lucky Fellow  from Firefox:

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

pic 6

Find the adware/malware —> Remove.
chrome-logo-transparent-backgroundRemove Happy Lucky Fellow  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!

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