Ultra Extension Virus

7-day Free Trial w/Credit card, no charge upfront or if you cancel up to 2 days before expiration; Subscription price varies per region w/ auto renewal unless you timely cancel; notification before you are billed; 30-day money-back guarantee; Read full terms and more information about free remover.

*Source of claim SH can remove it.

Ultra Extension

Ultra Extension is a page-redirecting add-on for Firefox and Chrome that will flood the affected browsers with obnoxious ads and cause unwelcome settings changes. Ultra Extension is also known for automatically page-redirecting the user to sites that could be potentially threatening.

Ultra Extension 1024x593
The Ultra Extension virus will try to mess with your browser settings and spam you with notifications

If an app like this one is currently attached to your browser, your best course of action is to stay on this page and learn more about its characteristics and also about how you can uninstall it from your PC. Even though most browser hijackers/redirects are not considered to be particularly harmful, the longer they stay in the system, the worse your browsing experience may become due to endless page-redirects, sudden pop-ups, unwanted changes in the search engine and the homepage of the browser as well as other similar irritating factors. In addition to all that, as we already pointed out, the advertising actions of this app may eventually get you redirected to sites and pages that may not be reliable and that may compromise your system’s safety if you are not careful and interact with their content. That is why, despite the relative harmlessness of applications like Ultra Extension, Lookaside.fbsbx.com, Hutters.click, the advisable thing to do if you notice that this software is in your browser is to uninstall it.

The Ultra Extension Virus

If you have already made an attempt to rid your computer of the Ultra Extension virus, you may have noticed that removing the invasive app is not as easy or as simply as removing any other attachment from your browser. The reason for this isn’t that the Ultra Extension virus wants to harm your computer but that the longer this app is able to remain inside your browser, the greater the profit earned from its ads by the creators of the hijacker. 

This is the exact reason why most hijackers are made to be difficult to uninstall and it is also why users oftentimes struggle to remove such applications from their browsers. Here, we believe that we have the solution for this problem – a guide posted right below will give you detailed instructions and a professional removal tool, both of which can help you get rid of Ultra Extension quickly and without problems. Just remember to not postpone the removal of the app or else some of its redirects and ads may put your system at risk of getting attacked by various malware threats including Trojan Horses, stealthy Spyware viruses, and Ransomware.

Preventative measures for the future

The best advice we could give you here to help you keep hijackers away from your PC from now on is to make sure to never download anything from online sources that you do not trust. Pirate sites or sites that spread illegal software are oftentimes used to spread different types of unwanted software and even dangerous Ransomware, Trojan Horse, or Spyware viruses. That is why avoiding them is a must if you want to ensure that your computer doesn’t get exposed to anything that could compromise its system. Additionally, opening spam messages and interacting with suspicious online ads is highly inadvisable because those could also land you on web locations with questionable contents.


NameUltra Extension
Type Browser Hijacker
Danger LevelMedium (nowhere near threats like Ransomware, but still a security risk)
Detection Tool

*Source of claim SH can remove it.

Ultra Extension Virus Removal

To try and remove Ultra Extension 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 Ultra Extension extension (as well as any other unfamiliar ones).
  4. Remove Ultra Extension by clicking on the Trash Bin icon next to its name.
  5. Confirm and get rid of Ultra Extension and any other suspicious items.

If this does not work as described please follow our more detailed Ultra Extension 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).



*Source of claim SH can remove 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:

Each file will be scanned with up to 64 antivirus programs to ensure maximum accuracy
This scanner is free and will always remain free for our website's users.
This file is not matched with any known malware in the database. You can either do a full real-time scan of the file or skip it to upload a new file. Doing a full scan with 64 antivirus programs can take up to 3-4 minutes per file.
Drag and Drop File Here To Scan
Drag and Drop File Here To Scan
Analyzing 0 s
Each file will be scanned with up to 64 antivirus programs to ensure maximum accuracy
    This scanner is based on VirusTotal's API. By submitting data to it, you agree to their Terms of Service and Privacy Policy, and to the sharing of your sample submission with the security community. Please do not submit files with personal information if you do not want them to be shared.

    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.


    *Source of claim SH can remove it.

    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 Ultra Extension 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 Ultra Extension from Firefox:

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

    pic 6

    chrome-logo-transparent-backgroundRemove Ultra Extension 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.

    Leave a Comment

    We are here to help! Use SpyHunter to remove malware in under 15 minutes.

    Not Your OS? Download for Windows® and Mac®.

    * See Free Trial offer details and alternative Free offer here.

    ** SpyHunter Pro receives additional removal definitions and manual fixes through its HelpDesk in cases where they are needed.

    Spyware Helpdesk 1