What is Krestinaful browser plugin? — Fix Guide

Written by Wilbur Woodham
The Krestinaful search hijacker is an example of a standard unwanted program; such applications are spread enormously nowadays. On this page you will see the precise information of “Krestinaful” hijacker elimination in several ways: utilizing anti-malware programs and hand-operated elimination technique.
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Removing Krestinaful manually may take hours and may damage your PC in the process. I recommend you to download GridinSoft Anti-Malware for threats removal. Allows to complete scan and cure your PC during the trial period.
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Krestinaful – What is it?

“Krestinaful” search hijacker is a potentially unwanted application (PUA)1, that is promoted as a plugin for your web browser. It is usually marketed as an add-on for Chrome or Firefox, that helps to browse some special info, for instance, about sporting activity events, make your web browser far more safe, allow downloading of any kind of web video, and so on. Also, this app adds the “Managed by your organization” feature (on Chrome browsers).

Nonetheless, the “Krestinaful” plugin is quite pointless because all such functions are already integrated to your browser and/or system. Such advertising and marketing mottos are targeted at low-skilled computer users, such as pensioners or schoolchildren. However frequently even skilled users are getting caught on such a lure. In specific scenarios, this hijacker is distributed along with free programs.

Krestinaful hijacker - Krestinaful.com

Krestinaful Search Hijacker

Here is a short info for the Krestinaful hijacker
HostingAS13335 Cloudflare, Inc.
United States, San Francisco
Infection TypeBrowser Hijacker, Unwanted Application
IP Address172.67.172.90
SymptomsChanged search engine; search queries redirection
Similar behaviorTrovi, Domain, Wiseghost/
Fix Tool
To remove possible virus infections, try to scan your PC

How harmful is Krestinaful hijacker?

Besides its impracticality, Krestinaful hijacker is additionally really harmful for web browser usage. It alters your search engine to its particular – Krestinaful.com, and additionally transforms your background, adding its watermark on your background image (or, sometimes, changing it to default with the specified sign).

Aside from seeable alterations done by Krestinaful hijacker, you can observe that many of your search queries are redirecting to the untrustworthy web pages, filled with links and promotions – so-called doorway websites. Such websites can consist of web links for malware downloads. The chance of redirecting rises if you attempt to launch Google search page forcibly.

However all these actions are far more bothersome than truly hazardous. The most significant threat, especially for people who have a lot of secret information in their web browsers, is installed in information gathering capabilities. Cookie files, conversations, often-visited web pages, as well as other activities are simply collected by Krestinaful hijacker.

How to remove Krestinaful search hijacker?

  • Download and install GridinSoft Anti-Malware.
  • Open GridinSoft Anti-Malware and perform a “Standard scan“.
  • “Move to quarantine” all items.
  • Open “Tools” tab – Press “Reset Browser Settings“.
  • Select proper browser and options – Click “Reset”.
  • Restart your computer.

Browser hijackers are typically rather simple to delete. Most of the times, they have a separate application that can be spotted in the list of installed applications. As a result of the specific marketing tactic of Krestinaful hijacker, it can be easily tracked and removed by hand. Nonetheless, if you got Krestinaful in the bundle with a free program, your computer might be contaminated with much more dangerous malwaretrojans, spyware and even ransomware. That’s why I’d recommend you utilize anti-malware tools to delete the Krestinaful PUA and all other malware.

You can utilize Microsoft Defender2 – it is capable of recognizing and clearing away a wide range of malware, including mentioned hijacker. Nevertheless, severe malware, that might be present on your PC in the discussed instance, can disable the Windows antivirus tool by modifying the Group Policies. To keep away from such circumstances, it is far better to utilize GridinSoft Anti-Malware.

To detect and remove all malicious applications on your PC with GridinSoft Anti-Malware, it’s better to utilize Standard or Full scan. Quick Scan is not able to find all the malicious apps, because it checks only the most popular registry entries and directories.

Main screen in GridinSoft Anti-Malware

You can observe the detected malicious apps sorted by their possible hazard till the scan process. But to choose any actions against the viruses, you need to wait until the scan is finished, or to stop the scan.

GridinSoft Anti-Malware during the scan

To set the action for each detected malicious or unwanted program, click the arrow in front of the name of the detected malicious app. By default, all the viruses will be moved to quarantine.

List of the detected malware after the scan

Reverting browser settings to original ones

To revert your browser settings, you need to use the Reset Browser Settings option. This action is not able to be intercepted by any malicious program, hence, you will surely see the result. This action can be located in the Tools tab.

Tools tab in GridinSoft Anti-Malware

After pressing the Reset Browser Settings button, the menu will be displayed, where you can choose, which settings will be reverted to the original.

Reset Browser Settings options

Deleteing Krestinaful hijacker manually

Besides using anti-malware software for browser restoration, you may choose the “Reset browser settings” function, which is usually embedded in all popular browsers.

To reset Edge, do the following steps :
  1. Open “Settings and more” tab in upper right corner, then find here “Settings” button. In the appeared menu, choose “Reset settings” option :
  2. Reseting the Edge browser

  3. After picking the Reset Settings option, you will see the following menu, stating about the settings which will be reverted to original :
For Mozilla Firefox, do the next actions :
  1. Open Menu tab (three strips in upper right corner) and click the “Help” button. In the appeared menu choose “troubleshooting information” :
  2. The first step to revert Mozilla Firefox

  3. In the next screen, find the “Refresh Firefox” option :
  4. The second step of Firefox restoration
    After choosing this option, you will see the next message :
    The last step for Firefox

If you use Google Chrome
  1. Open Settings tab, find the “Advanced” button. In the extended tab choose the “Reset and clean up” button :
  2. In the appeared list, click on the “Restore settings to their original defaults” :
  3. Finally, you will see the window, where you can see all the settings which will be reset to default :
Opera can be reset in the next way
  1. Open Settings menu by pressing the gear icon in the toolbar (left side of the browser window), then click “Advanced” option, and choose “Browser” button in the drop-down list. Scroll down, to the bottom of the settings menu. Find there “Restore settings to their original defaults” option :
  2. After clicking the “Restore settings…” button, you will see the window, where all settings, which will be reset, are shown :

As an afterword, I want to say that time plays against you and your PC. The activity of browser hijacker must be stopped as soon as possible, because of the possibility of other malware injection. This malware can be downloaded autonomously, or offered for you to download in one of the windows with advertisements, which are shown to you by the hijacker. You need to act as fast as you can.

I need your help to share this guide.

Browser hijackers are among the largest and also disruptive kinds of malware. I published this article to help you, so I wish you will help me to make the computer world completely clean of malware. Please, share this article in the social networks you use – Twitter, Reddit, Facebook – wherever.
Wilbur Woodham
How to Remove Krestinaful?

Name: Krestinaful

Description: Krestinaful - a lot of users became a victim of browser hijacker. I have a lot of friends who literally bombed me with the questions like “how to remove Krestinaful?”. In this article we will show you how to deal with Krestinaful (Krestinaful.com), which may corrupt your browser’s correct performance, and create a lot of troubles while you are working.

Operating System: Windows

Application Category: Browser Hijacker

User Review
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  1. More information about PUAs
  2. Detailed review of Microsoft Defender

About the author

Wilbur Woodham

I was a technical writer from early in my career, and consider IT Security one of my foundational skills. I’m sharing my experience here, and I hope you find it useful.

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