Uninstall Pr Updater (Feb. 2019 Update)

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.

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This page aims to help you Uninstall Pr Updater . Our removal instructions work for Chrome, Firefox and Internet Explorer, as well as every version of Windows.

Many users experience some sort of browsing disturbance on a daily basis. For instance, their browser might be getting frequently redirected to random pages on the internet that they didn’t really want to visit. Also, in many instances, users are faced with an overwhelming number of ads that get constantly displayed on their screens every time they try to do something in their Chrome, IE or Firefox browser (or any other browsing program that the customer might be using). Another issue that people tend to complain about is when their main browser’s search engine and/or starting page get replaced in favor of some new and unfamiliar ones. If you, too, have recently encountered any of the aforementioned issues or some other similar type of unpleasant browser behavior, we recommend you read the remainder of this current article. Here, we will explain what causes this sort of disturbance and how you can deal with it quickly and effectively.

Pr Updater and the browser hijacker software category

In most cases, if a user is faced with any of the unpleasant activities described above, the reason for that would be a browser hijacker (sometimes also referred to as a page-redirect). Browser hijackers are basically applications similar to browser add-ons that normally used for advertising and promoting certain products, sites, web services or something else along those lines. The issue, however, is that if such a software makes it inside your machine, it would more than likely try to latch onto your browser and modify it in a certain (typically unwanted) way so that its advertising agenda could be carried out more effectively. We already mentioned the typical symptoms which are also the main issues that users have with hijacker applications – replaced browser homepage, replaced default search engine, frequent redirects to promoted sites and also potential for generation of various kinds of ads on the user’s screen. One recently released piece of software called Pr Updater has been reported to possess similar characteristics and to display such unpleasant and intrusive behavior which is why most experts deem it to be a browser hijacker. We subscribe to this categorization of Pr Updater as we also believe that this software might indeed possess certain rather unpleasant and unwanted traits similar to those that the majority of browser hijackers have. Due to that, we have made sure to provide the readers of this article who have the intrusive software on their computers with a guide that can assist them with the uninstallation and removal of the potentially unwanted application. In addition, we have suggested on this page a malware-removal security tool that can both help you ensure that Pr Updater has been fully removed as well as improve the overall security and safety of your machine in future.

Uninstall Pr Updater

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:

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: https://howtoremove.guide/online-virus-scanner/

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 Pr Updater  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 Pr Updater  from Firefox:

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

pic 6

Find the adware/malware —> Remove.
chrome-logo-transparent-backgroundRemove Pr Updater  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.


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.

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!

How dangerous can Pr Updater really be?

If you are concerned with whether this application is some sort of insidious and dangerous virus, you can take a breath of relief as according to most cyber-security researchers, hijackers like this one do not represent a significant threat and do not belong to any PC virus category. There are many significant differences between a hijacker like Pr Updater and real malware infections such as Trojans, Spyware, Ransomware, Worms, etc. The truth is that most browser hijacker applications are technically legal and their distribution methods normally do not involve exploitation of system vulnerabilities – something that a lot of malware viruses are known for. Another thing to note on the topic of how dangerous hijackers can be when compared to viruses like Ransomware and Trojan Horses is that most typical page-redirecting applications like Pr Updater do not seek to cause any damage or to harm your system in some other way. The browser modifications can certainly be irritating and even frustrating but they are typically not going to harm your computer. That said, we advise you to keep away from anything that you think has been generated by the hijacker – not all the ads and pages that you might get redirected to can be verified as safe and in some cases it’s possible that you land on some Internet location that could be hazardous and dangerous for your machine’s security and safety.


Despite the fact that most hijackers can be downloaded from their respective sites, a more common method for spreading such programs is the so-called file-bundling model. When this technique is employed, the hijacker is put inside a software package where there’s one main program and some other applications added to its installer. Usually, it is possible to opt-out of the installation of the bundled apps but in many cases, in order to do that, the user would need to access the Advanced/Custom setup settings where more customization options are typically available. However, most users do not go for that and instead choose to follow the Regular/Default setup configuration which, naturally, has the bundled applications’ installation enabled by default. In order to avoid future encounters with hijackers like Pr Updater we advise you to always go for the expanded installation settings and once there uncheck any optional installs that look like they might be unwanted. One last word of advice from us in this article would that you should really make sure to avoid suspicious Internet content – anything that doesn’t look reliable such as messages that might be spam, online ads and offer that do not seem plausible or any other web request that might not be what it seems.


Name Pr Updater
Type  Adware/Browser Hijacker
Danger Level Medium (nowhere near threats like Ransomware, but still a security risk)
Symptoms  Irritating and unwanted changes to your browser as well as various forms of intrusive online advertising activity.
Distribution Method Different kinds of online ads and browser requests as well as file-bundles and spam messages.
Detection Tool

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