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Remove Study Nerdz “Virus” (April 2019 Update)

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This page aims to help you remove Study Nerdz “Virus”. Our removal instructions work for Chrome, Firefox and Internet Explorer, as well as every version of Windows.

Software problems are something that every computer or smartphone user comes to face at a certain point. In many cases, the issue would be coming from some form of a malware infection – Trojans, Rootkits, Worms and Ransomware are all insidious and highly dangerous software programs that can be very bad for your system and your files. However, not every software-related problem is necessarily related to some kind of malware. In fact, there are many relatively harmless yet still undesirable apps out there that you would surely not want to have in your computer. One such software component is Study Nerdz – an additional element for Chrome, Firefox and many other browsers that may present you with a new search engine tool or give your browser a new starting page and/or new-tab page URL. Additionally, this software may also flood your browser with nagging page-redirect ads, banners, pop-ups and other invasive messages that are bound to irritate your normal browsing. None of these activities are really aimed at messing up your computer system. However, as you can probably already see, the very presence of a software piece like Study Nerdz inside the computer can be quite irritating and unpleasant, especially if you need to frequently use your browser on a daily basis.

The browser hijacker software category

There is actually a whole category of apps that are similar to Study Nerdz and this category is known as browser hijackers. The main goal of the majority of the representatives of this rather intrusive family of software is to make money through the implementation of the Pay Per Click and the Pay per View models. If you are not familiar with these, all you need to know is that every single visit to a site advertised by Study Nerdz and every single click on an ad displayed by it is translated into income for the people who own the hijacker. Knowing this, it should be easy to make sense of the overwhelmingly invasive and aggressive nature of hijacker apps like Study Nerdz. After all, the more ads they show on your screen and the more sponsoring sites they redirect you to, the greater the income that their creators would be able to generate from them. Of course, this all comes at a certain price and in this case, the price is the end-users’ patience and ability to surf the online world in peace. If you have a hijacker in your system, you are bound to get spammed with invasive commercial messages and various forms of advertisement that are likely to obstruct you during your browsing activities. Therefore, the best thing you could do in a situation like this is to uninstall the app that’s causing the disturbance.

The removal of Study Nerdz

Down below, you will be presented with a neatly organized guide that includes manual instructions as well as a linked removal tool. Both the instructions and the tool should be able to allow you to remove the hijacker and free your browser of its presence. We advise you to use those two methods in a combination for the best possible results. You really shouldn’t allow an app like this to remain operational in the computer or else more dangerous threats like Spyware, Ransomware or Trojans may also target you if you accidentally interact with some unsafe hijacker-generated advert.


Name Study Nerdz
Type Browser Hijacker
Danger Level Medium (nowhere near threats like Ransomware, but still a security risk)
Symptoms If you notice any ads within your browsing program as well as some unwanted changes, then there is likely a hijacker in it.
Distribution Method Most apps of the hijacker family get distributed via installation bundles.
Detection Tool

Remove Study Nerdz “Virus”

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).

Was this step helpful? Please vote – we use the feedback to improve our guides.



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:

Drag and Drop Files Here to Scan
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.


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 Study Nerdz 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  Study Nerdz from Firefox:

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

pic 6

Find the adware/malware —> Remove.
chrome-logo-transparent-backgroundRemove  Study Nerdz 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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