PDFConverterSearchHD browser hijacker removal instructions

Written by Wilbur Woodham
PDFConverterSearchHD search hijacker is an illustration of a typical unwanted program; such programs are distributed enormously nowadays. In this article, you will see the precise instructions of PDFConverterSearchHD hijacker removal in different ways: utilizing anti-malware software and hand-operated removal method.
GridinSoft Anti-Malware Review

GridinSoft Anti-Malware

Removing PDFConverterSearchHD 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.
6-day trial available for threats removal.
EULA | Privacy Policy | GridinSoft

About PDFConverterSearchHD hijacker origins

PDFConverterSearchHD search hijacker is a potentially unwanted application (PUA)1, that is promoted as a plugin for your internet browser. It is typically marketed as an add-on for Chrome or Firefox, that helps to search some special info, for example, about sport events, make your browser far more safe, enable downloading of any type of video clip, et cetera.

However, the PDFConverterSearchHD plugin is rather pointless since all such features are already embedded to your browser and/or system. Such marketing slogans are targeted on low-skilled computer users, such as pensioners or schoolchildren. But frequently even experienced users are getting caught on such an attraction. In specific situations, this hijacker is dispersed along with free programs.

Here is a info for the PDFConverterSearchHD hijacker
Site PDFConverterSearchHD.com
Hosting AS13335 Cloudflare, Inc.
United States, San Francisco
Infection Type Browser Hijacker, Unwanted Application
IP Address
Symptoms Changed search engine; search queries redirection
Fix Tool
To remove possible virus infections, try to scan your PC

How harmful is PDFConverterSearchHD hijacker?

Besides its uselessness, PDFConverterSearchHD hijacker is additionally considerably harmful for web browser use. It changes your search engine to its specific – PDFConverterSearchHD.com, and also alters your background, adding its watermark on your wallpaper (or, occasionally, changing it to default with the specified symbol).

Aside from seeable transformations done by PDFConverterSearchHD hijacker, you can notice that some of your search inquiries are redirecting to the uncertain websites, filled with links and ads – so-called doorway websites. Such sites can have the web links for malware downloading. The possibility of redirecting boosts if you try to open Google search page by force.

However all these actions are a lot more bothersome than truly dangerous. The largest threat, primarily for people who have a great deal of confidential information in their web browsers, is installed in data collecting capabilities. Cookie files, chats, often-visited sites as well as other activities are easily gathered by PDFConverterSearchHD hijacker.

How to remove PDFConverterSearchHD 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 almost always rather easy to deal with. Most of the times, they have an independent app that can be seen in the list of installed programs. Because of the particular marketing tactic of PDFConverterSearchHD hijacker, it can be conveniently tracked and removed manually. Nevertheless, if you got PDFConverterSearchHD in the package with a free application( s), your system can be infected with a lot more harmful malwaretrojans, spyware or even ransomware. That’s why I ‘d recommend you to use anti-malware programs to deal with the PDFConverterSearchHD PUA and all other malware.

You can make use of Microsoft Defender2 – it is capable of recognizing and eliminating various malware, including mentioned hijacker. However, serious malware, that might be present on your PC in the specified situation, can disable the Windows antivirus tool by editing the Group Policies. To prevent such circumstances, it is far better to use GridinSoft Anti-Malware.

To detect and delete all malicious programs on your desktop 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 folders.

Main screen in GridinSoft Anti-Malware

You can spectate the detected malware sorted by their possible harm during the scan process. But to choose any actions against malicious apps, you need to hold on 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 detected malicious app. By default, all the viruses will be removed to quarantine.

List of detected malware after the scan

Reset browser settings to original ones

To reset your browser settings, you are required to use the Reset Browser Settings option. This action cannot be counteracted by any malware, hence, you will surely see the result. This action can be found 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 original.

Reset Browser Settings options

Deleteing PDFConverterSearchHD 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 the time plays against you and your PC. The activity of browser hijacker must be stopped as soon as possible, because of 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 most large 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 PDFConverterSearchHD?

Name: PDFConverterSearchHD

Description: PDFConverterSearchHD - 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 PDFConverterSearchHD?”. In this article we will show you how to deal with PDFConverterSearchHD (Pdfconvertersearchhd.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
3.4 (5 votes)
Comments Rating 0 (0 reviews)


  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.

Leave a Reply


This site uses Akismet to reduce spam. Learn how your comment data is processed.