Remove Zquirrel “Virus” (Feb. 2017 Update)

Remove Zquirrel “Virus” (Feb. 2017 Update)Remove Zquirrel “Virus” (Feb. 2017 Update)Remove Zquirrel “Virus” (Feb. 2017 Update)

This page aims to help you remove Zquirrel Ads . These Zquirrel Ads  removal instructions work for Chrome, Firefox and Internet Explorer, as well as every version of Windows.

Why are the Zquirrel Ads So Dangerous?

Zquirrel Ads is a malware that enters your computer as a fragment of an Adware program or a PUP. It is an Adware type of virus and it is not always easy to define how dangerous it is. Please note that malware has generally grown to be more and more complex and highly sophisticated, developing from being purely annoying to potentially stealing vital information.

Many consider Adware programs or a PUP (Potentially Unwanted Programs) innocent in nature and sometimes just infinitely irritating, but they definitely may have a negative impact on your system. This article will explain why these programs could be a great risk if the user continues to keep them long enough on his computer.

The Adware program is software created basically to display ads when the user is online. Sometimes it comes with extra bonuses, i.e. additional free programs. These free programs should always be managed with care because they might be often bundled with malicious free software in the form of pop-up advertisements, or banners which the user tends to download, thus revenue for the creator is generated for each click that has been made. The bad reputation keeps growing with the fact that they sometimes install themselves without the knowledge or consent of the user. This is the most popular procedure for Adware expansion. Zquirrel Ads is one of the viruses usually carried by these freeware programs.
Any engagement with these ads and the unknown files they provide is a potential danger and we strongly advise you to keep yourselves away from them or at least keep close attention to everything that is within the installation process and mark off all additional unwanted software.
Clicking on these suspicious pop-ups may cause extreme difficulties to uninstall them afterwards, impossible-to-close web pages, more and more ads to keep occurring. Also slowing down your PC, freezes, browser redirects (when you try to open a web page and immediate redirection is before your eyes or an additional website is displayed). It may modify files and make them unusable, it may record confidential data, it may corrupt social media (your Facebook, Twitter, Skype, etc.) to spam your contacts with messages carrying infected links causing further spread. The virus may expose you to other malicious software and even more fatal consequences for your personal data and the performance of the machine.

How May The User Get Infected?

As mentioned above, any interaction with such malicious software may produce an irreversible outcome. Sometimes the users are misled by being urged to download audio or video plug-ins for example, or new deceptive “program updates available now”. Also, beware of all unknown e-mail attachments; you might want to first have them scanned. If such fraudulent links are used, you will most probably end up with an additional malware that will even be far more severe and pernicious.

You can differentiate these ads as you keep in mind that they are usually search-related ads which mean that they appear in accordance with your most recent searches, or web visits. Zquirrel Ads may access your personal information and stored passwords and this could be tremendously dangerous especially if you use online banking services. Thus, it is very much advisable to change your passwords as soon as possible since you might be facing malicious software.

Knowing the type of the virus that is corrupting your computer and how it works along with the detailed guide below, will better help you have Zquirrel Ads effectively removed. If down the instructions you find some parts irrelevant to your particular problem, please proceed to the next element of the guidelines.

Feedback is important to us, so please do not hesitate to share your thoughts, ideas, or queries in the comment section below.


Name Zquirrel Ads
Type Adware
Danger Level Medium
Symptoms  Annoying Ads, Browser Redirects, PC slowing down.
Distribution Method Mostly through software bundles.
Detection Tool Malware and Adware are notoriously difficult to track down, since they actively try to deceive you. Use this professional parasite scanner to make sure you find all files related to the infection.Sponsored


Remove Zquirrel “Virus”



Remove Zquirrel “Virus” (Feb. 2017 Update)

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

This was the first preparation.

Remove Zquirrel “Virus” (Feb. 2017 Update)

Reveal All Hidden Files and Folders.

  • Do not skip this – Zquirrel Ads may have hidden some of its files.

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

Remove Zquirrel “Virus” (Feb. 2017 Update)

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:

Remove Zquirrel “Virus” (Feb. 2017 Update)

Startup —> Uncheck entries that have “Unknown” as Manufacturer.

Remove Zquirrel “Virus” (Feb. 2017 Update)

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:

Remove Zquirrel “Virus” (Feb. 2017 Update)

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

Remove Zquirrel “Virus” (Feb. 2017 Update)

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).

Remove Zquirrel “Virus” (Feb. 2017 Update)

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

Remove Zquirrel “Virus” (Feb. 2017 Update)

Remove Zquirrel “Virus” (Feb. 2017 Update) Remove the Malware from Internet Explorer:

Open IE, click Remove Zquirrel “Virus” (Feb. 2017 Update) —–> Manage Add-ons.

Remove Zquirrel “Virus” (Feb. 2017 Update)

Find the malware —> Disable. Go to Remove Zquirrel “Virus” (Feb. 2017 Update) —–> Internet Options —> change the URL to whatever you use (if hijacked) —> Apply.

Remove Zquirrel “Virus” (Feb. 2017 Update) Remove Zquirrel Ads from Firefox:

Open Firefox, click Remove Zquirrel “Virus” (Feb. 2017 Update) ——-> Add-ons —-> Extensions.

Remove Zquirrel “Virus” (Feb. 2017 Update)

Find the adware/malware —> Remove.

Remove Zquirrel “Virus” (Feb. 2017 Update)Remove Zquirrel Ads from Chrome:

Close Chrome. Navigate to:

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

Remove Zquirrel “Virus” (Feb. 2017 Update)

Rename it to Backup Default. Restart Chrome.

  • At this point the malware is gone from Chrome, but complete the entire guide or it may reappear on a system reboot.

Remove Zquirrel “Virus” (Feb. 2017 Update)

Press CTRL + SHIFT + ESC simultaneously. Go to the Processes Tab. Try to determine which ones are a virus. Google them or ask us in the comments.


Right click on each of the virus processes separately and select Open File Location. End the process after you open the folder, then delete the directories you were sent to.

Remove Zquirrel “Virus” (Feb. 2017 Update)

Remove Zquirrel “Virus” (Feb. 2017 Update)

Type Regedit in the windows search field and press Enter.

Inside, press CTRL and F together and type the virus’s Name. Right click and delete any entries you find with a similar name. If they don’t show 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

Remember to leave us a comment if you run into any trouble!


About the author


Bert L. Jackson

Bert L. Jackson has more then 13 years in the Cyber Security Industry consulting and collaborating. Distinguished for an entrepreneurial mindset, creative problem solving, cross-functional teams and a bottom-line orientation.


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    • Those IP’s look like they are coming from the unwanted software. Make sure to delete them and save the changes.

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