What is PDF Pro 100? Cyber security researchers has determined that PDF Pro 100 is a PUP (potentially unwanted program). When downloaded and launched onto a system, this PUP quickly changes the Chrome, Mozilla Firefox, Internet Explorer and Edge browser’s settings like newtab, start page and search engine to its own web page.
When the PDF Pro 100 is installed on a PC system, it might:
- set an unwanted page as your search engine, newtab, and homepage;
- prevent you from changing search provider or start page address;
- reroute your queries to sponsored web pages;
- provide altered search results;
- record your search queries;
- randomly redirects to questionable web pages;
- show intrusive advertisements;
- collect Web browsing habits and use it for marketing purposes.
While the PDF Pro 100 potentially unwanted program is active, you won’t be able to revert back your computer settings. But this does not mean that you should just ignore it or get along with this fact. Because this is not the best option, due to the PDF Pro 100 potentially unwanted program you can have problems with your PC system and web-browsers, intrusive ads and even privacy info theft.
The guide below explaining steps to remove PDF Pro 100 problem. Feel free to use it for removal of this potentially unwanted program that may attack Microsoft Windows 10 and other popular versions of Windows OS. The guide will also help you restore your computer settings which previously replaced by this PUP.
How to remove PDF Pro 100 from computer
There are exist several free potentially unwanted program removal tools. Also it is possible to remove PDF Pro 100 PUP manually. But we advise to combine all these solutions below into the one removal algorithm. Follow the steps of the guidance. Read this manual carefully, bookmark or print it, because you may need to exit your web browser or restart your machine.
To remove PDF Pro 100, use the following steps:
- Uninstall PDF Pro 100 through the Windows Control Panel
- Run Zemana Anti Malware (ZAM) to remove PDF Pro 100
- Scan your system and delete PDF Pro 100 with Hitman Pro
- How to delete PDF Pro 100 with Malwarebytes
- Get rid of PDF Pro 100 from Google Chrome
- Get rid of PDF Pro 100 potentially unwanted program from IE
- Remove PDF Pro 100 PUP from Firefox
- Run AdBlocker to stay safe online
- To sum up
Uninstall PDF Pro 100 through the Windows Control Panel
It’s of primary importance to first identify and remove all PUPs, adware programs and hijackers through ‘Add/Remove Programs’ (Windows XP) or ‘Uninstall a program’ (Windows 10, 8, 7) section of your Microsoft Windows Control Panel.
Windows 8, 8.1, 10
First, click Windows button
, then click Search 
. Type ‘Control panel’and press Enter as on the image below.
Once the ‘Control Panel’ opens, click the ‘Uninstall a program’ link under Programs category as shown below.
You will see the ‘Uninstall a program’ panel as shown on the image below.
Very carefully look around the entire list of apps installed on your PC. Most likely, one of them is the PDF Pro 100. If you have many software installed, you can help simplify the search of harmful programs by sort the list by date of installation. Once you have found a dubious, unwanted or unused program, right click to it, after that press ‘Uninstall’.
Windows XP, Vista, 7
First, click ‘Start’ button and select ‘Control Panel’ at right panel as on the image below.
After the Windows ‘Control Panel’ opens, you need to press ‘Uninstall a program’ under ‘Programs’ as shown in the figure below.
You will see a list of software installed on your PC. We recommend to sort the list by date of installation to quickly find the applications that were installed last. Most likely, it is the PDF Pro 100 and other kinds of potential threats. If you’re in doubt, you can always check the program by doing a search for her name in Google, Yahoo or Bing. When the program which you need to uninstall is found, simply click on its name, and then click ‘Uninstall’ as displayed on the image below.
Run Zemana Anti Malware (ZAM) to remove PDF Pro 100
You can remove PDF Pro 100 potentially unwanted program automatically with a help of Zemana Free. We recommend this malicious software removal tool because it can easily remove PUPs, potentially unwanted applications, ad supported software and toolbars with all their components such as folders, files and registry entries.
- Please go to the link below to download Zemana Anti-Malware (ZAM). Save it on your Windows desktop or in any other place.
Zemana AntiMalware
164108 downloads
Author: Zemana Ltd
Category: Security tools
Update: July 16, 2019
- At the download page, click on the Download button. Your internet browser will display the “Save as” dialog box. Please save it onto your Windows desktop.
- After the downloading process is done, please close all apps and open windows on your system. Next, run a file named Zemana.AntiMalware.Setup.
- This will start the “Setup wizard” of Zemana Free onto your machine. Follow the prompts and do not make any changes to default settings.
- When the Setup wizard has finished installing, the Zemana Free will launch and display the main window.
- Further, press the “Scan” button . Zemana AntiMalware program will scan through the whole machine for the potentially unwanted program and other security threats. This process may take some time, so please be patient. While the Zemana tool is checking, you can see how many objects it has identified as being infected by malicious software.
- After the checking is finished, Zemana Free will open a scan report.
- Next, you need to press the “Next” button. The utility will remove PUP related files, folders and registry keys. Once the procedure is finished, you may be prompted to restart the machine.
- Close the Zemana Anti-Malware (ZAM) and continue with the next step.
Scan your system and delete PDF Pro 100 with Hitman Pro
HitmanPro is a free removal utility. It removes potentially unwanted applications, adware, browser hijackers and unwanted browser extensions. It’ll detect and remove potentially unwanted program and other kinds of potential threats such as malicious software and PUPs. Hitman Pro uses very small computer resources and is a portable program. Moreover, Hitman Pro does add another layer of malware protection.
Visit the page linked below to download the latest version of Hitman Pro for Windows. Save it to your Desktop.
Once the download is done, open the directory in which you saved it and double-click the HitmanPro icon. It will launch the Hitman Pro utility. If the User Account Control dialog box will ask you want to open the program, press Yes button to continue.
Next, click “Next” . Hitman Pro program will scan through the whole computer for the PUP and other security threats. This task can take quite a while, so please be patient. While the HitmanPro tool is checking, you may see number of objects it has identified as being affected by malicious software.
When that process is finished, a list of all items found is produced as displayed in the figure below.
Make sure all threats have ‘checkmark’ and press “Next” button. It will open a prompt, press the “Activate free license” button. The HitmanPro will remove potentially unwanted program related files, folders and registry keys. When that process is finished, the tool may ask you to restart your personal computer.
How to delete PDF Pro 100 with Malwarebytes
We recommend using the Malwarebytes Free. You can download and install Malwarebytes to look for and get rid of PDF Pro 100 PUP from your system. When installed and updated, the free malicious software remover will automatically scan and detect all threats present on the PC.
Download MalwareBytes Anti-Malware (MBAM) on your machine by clicking on the following link.
326461 downloads
Author: Malwarebytes
Category: Security tools
Update: April 15, 2020
Once the downloading process is finished, run it and follow the prompts. Once installed, the MalwareBytes Free will try to update itself and when this task is complete, click the “Scan Now” button . MalwareBytes utility will start scanning the whole PC system to find out potentially unwanted program and other malicious software and PUPs. A system scan can take anywhere from 5 to 30 minutes, depending on your computer. Review the results once the utility has complete the system scan. If you think an entry should not be quarantined, then uncheck it. Otherwise, simply press “Quarantine Selected” button.
The MalwareBytes is a free program that you can use to delete all detected folders, files, services, registry entries and so on. To learn more about this malware removal tool, we suggest you to read and follow the step-by-step guide or the video guide below.
Get rid of PDF Pro 100 from Google Chrome
Reset Chrome settings is a simple way to remove changes to web-browser settings, harmful and ad-supported software plugins, as well as to restore the web-browser’s default search engine, new tab and homepage that have been replaced by PDF Pro 100 .
Open the Chrome menu by clicking on the button in the form of three horizontal dotes (
). It will show the drop-down menu. Choose More Tools, then click Extensions.
Carefully browse through the list of installed addons. If the list has the extension labeled with “Installed by enterprise policy” or “Installed by your administrator”, then complete the following instructions: Remove Chrome extensions installed by enterprise policy otherwise, just go to the step below.
Open the Chrome main menu again, click to “Settings” option.
Scroll down to the bottom of the page and click on the “Advanced” link. Now scroll down until the Reset settings section is visible, as shown below and click the “Reset settings to their original defaults” button.
Confirm your action, click the “Reset” button.
Get rid of PDF Pro 100 potentially unwanted program from IE
If you find that Microsoft Internet Explorer web-browser settings had been infected by the PDF Pro 100 , then you may return your settings, via the reset browser procedure.
First, start the IE, press 
) button. Next, click “Internet Options” as displayed on the screen below.
In the “Internet Options” screen select the Advanced tab. Next, press Reset button. The Microsoft Internet Explorer will show the Reset Internet Explorer settings dialog box. Select the “Delete personal settings” check box and click Reset button.
You will now need to restart your machine for the changes to take effect. It will delete potentially unwanted program and other security threats, disable malicious and ad-supported web browser’s extensions and restore the Microsoft Internet Explorer’s settings such as search engine, start page and newtab to default state.
Remove PDF Pro 100 PUP from Firefox
If your Firefox web-browser settings are affected by the PDF Pro 100 potentially unwanted program, then it may be time to perform the internet browser reset. However, your saved bookmarks and passwords will not be lost. This will not affect your history, passwords, bookmarks, and other saved data.
First, open the Firefox and click 
button. It will open the drop-down menu on the right-part of the web browser. Further, click the Help button (
) like below.
In the Help menu, select the “Troubleshooting Information” option. Another way to open the “Troubleshooting Information” screen – type “about:support” in the browser adress bar and press Enter. It will show the “Troubleshooting Information” page as shown in the figure below. In the upper-right corner of this screen, click the “Refresh Firefox” button.
It will open the confirmation prompt. Further, click the “Refresh Firefox” button. The Firefox will start a process to fix your problems that caused by the PUP related files, folders and registry keys. When, it’s done, click the “Finish” button.
Run AdBlocker to stay safe online
If you want to remove unwanted ads, web browser redirects and pop-ups, then install an adblocker program like AdGuard. It can block annoying advertisements, pop-ups and block web-pages from tracking your online activities when using the Microsoft Internet Explorer, Mozilla Firefox, Chrome and Microsoft Edge. So, if you like browse the World Wide Web, but you do not like annoying ads and want to protect your PC system from harmful pages, then the AdGuard is your best choice.
AdGuard can be downloaded from the following link. Save it on your Desktop.
26656 downloads
Version: 6.4
Author: © Adguard
Category: Security tools
Update: November 15, 2018
After downloading it, double-click the downloaded file to launch it. The “Setup Wizard” window will show up on the computer screen as displayed in the figure below.
Follow the prompts. AdGuard will then be installed and an icon will be placed on your desktop. A window will show up asking you to confirm that you want to see a quick guide as shown in the figure below.
Click “Skip” button to close the window and use the default settings, or click “Get Started” to see an quick instructions that will assist you get to know AdGuard better.
Each time, when you run your PC system, AdGuard will start automatically and block unwanted ads, as well as other malicious or misleading web-sites. For an overview of all the features of the program, or to change its settings you can simply double-click on the AdGuard icon, that can be found on your desktop.
To sum up
Once you’ve finished the step-by-step guidance outlined above, your computer should be clean from the PDF Pro 100 and other PUPs. Your antivirus software will no longer detect any security threats. Unfortunately, if the steps does not help you, then you have caught a new malware, and then the best way – ask for help.
Please create a new question by using the “Ask Question” button in the Questions and Answers. Try to give us some details about your problems, so we can try to help you more accurately. Wait for one of our trained “Security Team” or Site Administrator to provide you with knowledgeable assistance tailored to your problem with the PDF Pro 100 .
