Chrome Security Update Virus

Chrome Security Update

Chrome Security Update is an ad-generating and page-redirecting app for Windows computers that infects the main browser in the system. Chrome Security Update can be described as a browser-hijacking extension for Chrome, Firefox, and other browsers that is intended to generate income through the display of paid ads.

Chrome Security Update Virus

The Chrome Security Update will interfere with your browser.

If this application is present on your computer, you are likely to notice certain unwelcome changes in your Internet and browser settings that haven’t been approved by you. One of the most noticeable signs that there’s a hijacker on the computer is the replacement of the homepage of the main browser. If your browser’s starting page address has suddenly been changed without your authorization, then it is highly likely that you have a hijacker on your hands. A similar change can be expected in the default search engine of the browser, so take notice of that too.

The Chrome Security Update Virus

The Chrome Security Update Virus will change browser elements which are likely to cause unwanted generation of adverts, pop-ups, page-redirect links, and banners on your screen every time you try to use your browser. The Chrome Security Update Virus will most likely change your default search engine which is also likely show a big number of promoted search results that are nothing but more ads that won’t really give you the information you’ve been looking for.

A big problem here is that all these redirects, advertised entries in the search results, and aggressive clickbait ads could potentially jeopardize the safety of your computer. It is likely that not all of the advertising materials that are shown on your screen are safe and reliable. Lots of the ads you will see in your browser due to the presence of Chrome Security Update on the computer may actually be linked to obscure and illegal sites or to sites that spread unsafe software. Needless to say, if you interact with such advertising content, you may end up exposing your computer to all kinds of hazardous threats, including phishing viruses, Trojans, Worms, Rootkits, Ransomware, and more.

The Chrome Security Update Pop up

The Chrome Security Update Pop up, itself, is not a particularly hazardous piece of software. Since the goal of Chrome Security Update pop up is to mainly generate money through the display of different types of paid advertising content, it is unlikely for an app like it to actually try to damage the computer it is installed on.

There, however, is still a potential security problem and, as we already established, it is related to the unreliable nature of the advertisements that apps like Chrome Security Update tend to display on the screen. Furthermore, due to the ability of most browser hijackers to automatically redirect users to the many sites they are supposed to advertise, the chances of landing on an unsafe online address are still high even if you do your best to avoid interacting with the different types of ads that are shown in your browser.

Understandably, the best way to avoid a potential encounter with a Ransomware virus or a Trojan horse threat in this case would be to uninstall the unwanted Chrome Security Update browser hijacker. In the lines below, you will find useful instructions that will help you with the removal of this undesirable ad-generating browser add-on.


Name Chrome Security Update
Type Browser Hijacker
Danger Level Medium (nowhere near threats like Ransomware, but still a security risk)
Symptoms This hijacker will affect the way your browser functions by changing its default search engine and causing aggressive page redirects during online sessions.
Distribution Method These apps are typically distributed as built-in elements inside other programs and applications that users download without knowing there’s a hijacker hidden in them.
Detection Tool

Chrome Security Update Virus Pop up Removal

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

If this does not work as described please follow our more detailed Chrome Security Update 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

Chrome Security Update Virus

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).

Chrome Security Update Virus


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. 

Chrome Security Update Virus

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

Chrome Security Update Virus
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
Chrome Security Update VirusClamAV
Chrome Security Update VirusAVG AV
Chrome Security Update VirusMaldet

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. 

Chrome Security Update Virus

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

Chrome Security Update Virus

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:

Chrome Security Update Virus

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

Chrome Security Update Virus

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:

Chrome Security Update Virus

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.

Chrome Security Update Virus

Chrome Security Update Virus

  • 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).

Chrome Security Update Virus

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

Chrome Security Update Virus

Chrome Security Update Virus  Remove Chrome Security Update from Internet Explorer:

Open IE, click  Chrome Security Update Virus —–> Manage Add-ons.

Chrome Security Update Virus

Find the threat —> Disable. Go to Chrome Security Update Virus —–> Internet Options —> change the URL to whatever you use (if hijacked) —> Apply.

Chrome Security Update Virus Remove Chrome Security Update from Firefox:

Open Firefoxclick  Chrome Security Update Virus  ——-> Add-ons —-> Extensions.

Chrome Security Update Virus

Find the adware/malware —> Remove.
Chrome Security Update VirusRemove Chrome Security Update from Chrome:

Close Chrome. Navigate to:

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

Chrome Security Update Virus

Rename it to Backup Default. Restart Chrome.

Chrome Security Update Virus

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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