What Is GreatSearchPDF?
The GreatSearchPDF software is believed to be what expects call browser hijacker. Such applications aim to “hijack” your web browsers and change the settings on them. This is done mainly with the purpose of getting you to see various different kinds of redirects and other such unwanted content from ads. The main problem these ads cause is they could lead you to risky websites, like scams or even malware.
This is the main reason why we recommend that you read this article and learn how to remove GreatSearchPDF from your computer completely.

GreatSearchPDFSummary
Name | GreatSearchPDF |
Type | Browser Hijacker / PUP / Scam Redirect |
Short Description | Aims to modify the settings on your web browser in order to get it to cause browser redirects and display different advertisements. |
Symptoms | Your web browser begins to display various types of online advertisements, which results in slowing down of your computer. |
Distribution Method | Bundled downloads. Web pages which may advertise it. |
Detection Tool |
See If Your Device Has Been Affected by GreatSearchPDF
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Malware Removal Tool
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User Experience | Join Our Forum to Discuss GreatSearchPDF. |
GreatSearchPDF Redirect – What Does It Do?
GreatSearchPDF is categorized as a browser redirect. Other programs of this category include ProVideoSearch, Secure Way and Hvideosnet redirects.
These programs may all be similar in the sense that they “hijack” your browser and may change its home page, new tab page and other web pages, that are otherwise default. The outcome of this is you could start seeing the following ads:
- Push notification pop-ups.
- Pop-up ads.
- Banner ads.
- Ad-supported results when you search something.
- Redirect adverts.
- Text ads, highlgihted on the sites you visit.
More than one ways exist in how this software gets installed on your computer system. The most often reported ones are:
- If you have added it from some suspicious site advertising it via pop-up to include it.
- By being automatically bundled.
- If it has been automatically installed by some other adware you already have on your device.
GreatSearchPDF redirect may also use different trackers – small files dropped on your computer to obtain details from what you do online for advertising purposes. These trackers could be the following kinds:
- Cookies.
- Pixels.
- Tags.
- Geo-locators.
- LSOs.
- Other.
The outcome of this is you could have the following information tracked by these objects:
- Sites that you have bookmarked on your computer.
- The history of your web browser.
- Which pages you have visited.
- Where you click online and your mouse movement.
Not only this, but GreatSearchPDF could also redirect you to dangerous sites at some point. Such sites are often the following:
- Fraudulent tech support scams.
- Fake software download URLs.
- Domains that may have viruses.
- Phishing domains.
- Scammer websites.
- Redirect loop schemes of long URLs.
- Fake survey scams.
This is why, even though it may not be a virus, this software may cause a lot of problems for your computer and should be removed from it.

Remove GreatSearchPDF from Your Device
GreatSearchPDF is the kind of app that can be uninstalled effectively if you follow the removal guide that is laid out beneath this post. It contains the steps that are necessary to delete programs, like GreatSearchPDF from your browser and computer. According to cyber-security experts, the most effective way to remove GreatSearchPDF is to scan your computer using advanced anti-malware software. Such a program has been created mainly to scan your computer and remove any viruses, adware, hijackers and other such unwanted programs along with all their nasty files and trackers plus protect your computer in the future, too.
- Guide 1: How to Remove GreatSearchPDF from Windows.
- Guide 2: Get rid of GreatSearchPDF on Mac OS X.
- Guide 3: Remove GreatSearchPDF in Google Chrome.
- Guide 4: Erase GreatSearchPDF from Mozilla Firefox.
- Guide 5: Uninstall GreatSearchPDF from Microsoft Edge.
- Guide 6: Remove GreatSearchPDF from Safari.
- Guide 7: Eliminate GreatSearchPDF from Internet Explorer.
- Guide 8: Disable GreatSearchPDF Push Notifications in Your Browsers.
Windows Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer Stop Push Pop-ups
How to Remove GreatSearchPDF from Windows.
Step 1: Boot Your PC In Safe Mode to isolate and remove GreatSearchPDF



Step 2: Uninstall GreatSearchPDF and related software from Windows
Here is a method in few easy steps that should be able to uninstall most programs. No matter if you are using Windows 10, 8, 7, Vista or XP, those steps will get the job done. Dragging the program or its folder to the recycle bin can be a very bad decision. If you do that, bits and pieces of the program are left behind, and that can lead to unstable work of your PC, errors with the file type associations and other unpleasant activities. The proper way to get a program off your computer is to Uninstall it. To do that:


Step 3: Clean any registries, created by GreatSearchPDF on your computer.
The usually targeted registries of Windows machines are the following:
- HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
You can access them by opening the Windows registry editor and deleting any values, created by GreatSearchPDF there. This can happen by following the steps underneath:
1. Open the Run Window again, type "regedit" and click OK.


Before starting "Step 4", please boot back into Normal mode, in case you are currently in Safe Mode.
This will enable you to install and use SpyHunter 5 successfully.
Step 4: Scan for GreatSearchPDF with SpyHunter Anti-Malware Tool
Video Removal Guide for GreatSearchPDF (Windows).
Windows Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer Stop Push Pop-ups
Get rid of GreatSearchPDF from Mac OS X.
Step 1: Uninstall GreatSearchPDF and remove related files and objects
1.Hit the ⇧+⌘+U keys to open Utilities. Another way is to click on “Go” and then click “Utilities”, like the image below shows:

Your Mac will then show you a list of items that start automatically when you log in. Look for any suspicious apps identical or similar to GreatSearchPDF. Check the app you want to stop from running automatically and then select on the Minus (“-“) icon to hide it.
- Go to Finder.
- In the search bar type the name of the app that you want to remove.
- Above the search bar change the two drop down menus to “System Files” and “Are Included” so that you can see all of the files associated with the application you want to remove. Bear in mind that some of the files may not be related to the app so be very careful which files you delete.
- If all of the files are related, hold the ⌘+A buttons to select them and then drive them to “Trash”.
In case you cannot remove GreatSearchPDF via Step 1 above:
In case you cannot find the virus files and objects in your Applications or other places we have shown above, you can manually look for them in the Libraries of your Mac. But before doing this, please read the disclaimer below:
You can repeat the same procedure with the following other Library directories:
→ ~/Library/LaunchAgents
/Library/LaunchDaemons
Tip: ~ is there on purpose, because it leads to more LaunchAgents.
Step 2: Scan for and remove GreatSearchPDF files from your Mac
When you are facing problems on your Mac as a result of unwanted scripts and programs such as GreatSearchPDF, the recommended way of eliminating the threat is by using an anti-malware program. SpyHunter for Mac offers advanced security features along with other modules that will improve your Mac’s security and protect it in the future.
Video Removal Guide for GreatSearchPDF (Mac)
Windows Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer Stop Push Pop-ups
Remove GreatSearchPDF from Google Chrome.
Step 1: Start Google Chrome and open the drop menu
Step 2: Move the cursor over "Tools" and then from the extended menu choose "Extensions"
Step 3: From the opened "Extensions" menu locate the unwanted extension and click on its "Remove" button.
Step 4: After the extension is removed, restart Google Chrome by closing it from the red "X" button at the top right corner and start it again.
Windows Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer Stop Push Pop-ups
Erase GreatSearchPDF from Mozilla Firefox.
Step 1: Start Mozilla Firefox. Open the menu window:
Step 2: Select the "Add-ons" icon from the menu.
Step 3: Select the unwanted extension and click "Remove"
Step 4: After the extension is removed, restart Mozilla Firefox by closing it from the red "X" button at the top right corner and start it again.
Windows Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer Stop Push Pop-ups
Uninstall GreatSearchPDF from Microsoft Edge.
Step 1: Start Edge browser.
Step 2: Open the drop menu by clicking on the icon at the top right corner.
Step 3: From the drop menu select "Extensions".
Step 4: Choose the suspected malicious extension you want to remove and then click on the gear icon.
Step 5: Remove the malicious extension by scrolling down and then clicking on Uninstall.
Windows Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer Stop Push Pop-ups
Remove GreatSearchPDF from Safari.
Step 1: Start the Safari app.
Step 2: After hovering your mouse cursor to the top of the screen, click on the Safari text to open its drop down menu.
Step 3: From the menu, click on "Preferences".
Step 4: After that, select the 'Extensions' Tab.
Step 5: Click once on the extension you want to remove.
Step 6: Click 'Uninstall'.
A pop-up window will appear asking for confirmation to uninstall the extension. Select 'Uninstall' again, and the GreatSearchPDF will be removed.
Windows Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer Stop Push Pop-ups
Eliminate GreatSearchPDF from Internet Explorer.
Step 1: Start Internet Explorer.
Step 2: Click on the gear icon labeled 'Tools' to open the drop menu and select 'Manage Add-ons'
Step 3: In the 'Manage Add-ons' window.
Step 4: Select the extension you want to remove and then click 'Disable'. A pop-up window will appear to inform you that you are about to disable the selected extension, and some more add-ons might be disabled as well. Leave all the boxes checked, and click 'Disable'.
Step 5: After the unwanted extension has been removed, restart Internet Explorer by closing it from the red 'X' button located at the top right corner and start it again.
Remove Push Notifications caused by GreatSearchPDF from Your Browsers.
Turn Off Push Notifications from Google Chrome
To disable any Push Notices from Google Chrome browser, please follow the steps below:
Step 1: Go to Settings in Chrome.
Step 2: In Settings, select “Advanced Settings”:
Step 3: Click “Content Settings”:
Step 4: Open “Notifications”:
Step 5: Click the three dots and choose Block, Edit or Remove options:
Remove Push Notifications on Firefox
Step 1: Go to Firefox Options.
Step 2: Go to “Settings”, type “notifications” in the search bar and click "Settings":
Step 3: Click “Remove” on any site you wish notifications gone and click “Save Changes”
Stop Push Notifications on Opera
Step 1: In Opera, press ALT+P to go to Settings.
Step 2: In Setting search, type “Content” to go to Content Settings.
Step 3: Open Notifications:
Step 4: Do the same as you did with Google Chrome (explained below):
Eliminate Push Notifications on Safari
Step 1: Open Safari Preferences.
Step 2: Choose the domain from where you like push pop-ups gone and change to "Deny" from "Allow".
GreatSearchPDF-FAQ
What Is GreatSearchPDF?
The GreatSearchPDF threat is adware or browser redirect virus. It may slow your computer down significantly and display advertisements. The main idea is for your information to likely get stolen or more ads to appear on your device.
The creators of such unwanted apps work with pay-per-click schemes to get your computer to visit risky or different types of websites that may generate them funds. This is why they do not even care what types of websites show up on the ads. This makes their unwanted software indirectly risky for your OS.
What Are the Symptoms of GreatSearchPDF?
There are several symptoms to look for when this particular threat and also unwanted apps in general are active:
Symptom #1: Your computer may become slow and have poor performance in general.
Symptom #2: You have toolbars, add-ons or extensions on your web browsers that you don't remember adding.
Symptom #3: You see all types of ads, like ad-supported search results, pop-ups and redirects to randomly appear.
Symptom #4: You see installed apps on your Mac running automatically and you do not remember installing them.
Symptom #5: You see suspicious processes running in your Task Manager.
If you see one or more of those symptoms, then security experts recommend that you check your computer for viruses.
What Types of Unwanted Programs Are There?
According to most malware researchers and cyber-security experts, the threats that can currently affect your Mac can be the following types:
- Rogue Antivirus programs.
- Adware.
- Browser hijackers.
- Clickers.
- Fake optimizers.
What to Do If I Have a "virus" like GreatSearchPDF?
Do not panic! You can easily get rid of most adware or unwanted programs by firstly isolating them and then removing them from your browser and computer. One recommended way to do that is by using a reputable malware removal software that can take care of the removal automatically for you. There are many anti-malware apps out there that you can choose from. SpyHunter is one of the recommended anti-malware apps that can scan your computer for free and detect any viruses, tracking cookies and unwanted adware apps and eliminate them quickly. This saves time when compared to doing the removal manually.
How to Secure My Passwords and Other Data from GreatSearchPDF?
With few simple actions. First and foremost, it is imperative that you follow these steps:
Step 1: Find a safe computer and connect it to another network, not the one that your Mac was infected in.
Step 2: Change all of your passwords, starting from your email passwords.
Step 3: Enable two-factor authentication for protection of your important accounts.
Step 4: Call your bank to change your credit card details (secret code, etc.) if you have saved your credit card for online shopping or have done online activities with your card.
Step 5: Make sure to call your ISP (Internet provider or carrier) and ask them to change your IP address.
Step 6: Change your Wi-Fi password.
Step 7: (Optional): Make sure to scan all of the devices connected to your network for viruses and repeat these steps for them if they are affected.
Step 8: Install anti-malware software with real-time protection on every device you have.
Step 9: Try not to download software from sites you know nothing about and stay away from low-reputation websites in general.
If you follow these recommendations, your network and all devices will become significantly more secure against any threats or information invasive software and be virus free and protected in the future too.
More tips you can find on our website, where you can also ask any questions and comment underneath the articles about your computer problems. We will try to respond as fast as possible.
How Does GreatSearchPDF Work?
The GreatSearchPDF threat is typically installed as part of another application that you may have downloaded from the internet. Unwanted apps are often disguised as helpful programs, such as browser add-ons or toolbars, but they can also be included in software downloads without your knowledge.
Threats such as GreatSearchPDF can also be installed through malicious websites, email attachments, and other dubious sources. Once installed, GreatSearchPDF can collect data about your web browsing habits, such as the websites you visit and the search terms you use. This data is then used to target you with ads or to sell your information to third parties. GreatSearchPDF can also download other malicious software onto your computer, such as viruses and spyware, which can be used to steal your personal information.
Is GreatSearchPDF Malware?
If you have noticed GreatSearchPDF on your computer, you may be wondering if it is considered malware. The answer is yes, it is possible for an unwanted program to be classified as malware.
Many security experts classify potentially unwanted programs as malware. This is because of the unwanted effects that PUPs can cause, such as displaying intrusive ads and collecting user data without the user’s knowledge or consent. The best way to protect your computer from PUPs is to be careful when downloading software from the internet. Be sure to read the terms of service and privacy policies before downloading any software, and be wary of any suspicious download links or ads.
About the GreatSearchPDF Research
The content we publish on SensorsTechForum.com, this GreatSearchPDF how-to removal guide included, is the outcome of extensive research, hard work and our team’s devotion to help you remove the specific, adware-related problem, and restore your browser and computer system.
How did we conduct the research on GreatSearchPDF?
Please note that our research is based on independent investigation. We are in contact with independent security researchers, thanks to which we receive daily updates on the latest malware, adware, and browser hijacker definitions.
Furthermore, the research behind the GreatSearchPDF threat is backed with VirusTotal.
To better understand this online threat, please refer to the following articles which provide knowledgeable details.
References
1.Browser Redirect – What Is It?
2.Adware Is Malicious, and It Uses Advanced Techniques to Infect
3.The Thin Red Line Between Potentially Unwanted Programs and Malware
4.The Pay-Per-Install Affiliate Business – Making Millions out of Adware
5.Malicious Firefox Extensions Installed by 455,000 Users Blocked Updates