Severity scale:  
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Remove PDFOnline-express (Free Guide) - Removal Instructions

removal by Julie Splinters - - | Type: Adware

PDFOnline-express is the web browser extension that causes intrusive activities and can be categorized as a potentially unwanted program

PDFOnline-express

PDFOnline-express is the program delivering advertisements from malicious networks and redirecting to suspicious websites. It injects various web pages with commercial content and modifies browser settings. The pop-up even states that this program can read and change data on the websites you visit. The message shows up on the screen before installing the Google Chrome extension manually. Unfortunately, in most cases, the installation of this addon happens without users consent or knowledge, and the unwanted PUP behavior appears out of nowhere.

PDFOnline-express ads extension reads sites that you visit and injects them with additional commercial content, but the PUP can access and gather data about your other online browsing preferences and activity. Such applications track this information for marketing purposes. All the personal details about you can later be used in personalized commercial campaigns, so the more time the PUP has on the device, the more advertisement you receive and time online diminishes significantly.[1]

Name PDFOnline-express
Type Browser extension
Category Potentially unwanted program/ adware
Symptoms Delivers additional advertising content, injects ads on pages you visit
Distribution Deceptive advertising, promotional content, software bundling[2]
Elimination Uninstall the addons, remove PDFOnline-express from the browser, clean the machine using Reimage Reimage Cleaner
Possible danger Gathers data and can install other applications

PDF Online-express ads extension delivers advertisements when you browse online, and once you voluntarily click “Add To Chrome” button, it activates the browser extension and its function of tracking data regarding your time online. As developers claim, these ads are designed to show relevant content and even improve the time online. Due to such promotional message, people can also get this intruder on purpose and install the extension themselves.

Unfortunately, PDFOnline-express virus is not a utility that people should use and rely on since it categorizes as a potentially unwanted program and adware-type cyber infection. It alters browser settings, installs additional Chrome extensions, plugins, add-ons, and even allows notifications from various advertising pages.

PDFOnline-express has permission to deliver in-browser content and redirect your online traffic to possibly harmful pages filled with more coupons and offers. Visiting such pages and clicking on various pop-up ads, banners can expose you to malicious or harmful material. You need to clean the machine as soon as possible because those browser and even system changes can affect the performance of your PC even more.

PDFOnline-express gathers data about users that includes:

  • IP addresses;
  • location;
  • most visited sites;
  • search queries.

Such information later gets the user to create more personalized commercial content and generate revenue for PDF Online-express developers. This is the main purpose of adware-type programs or ad-supported websites since commercial content creators sponsor these programs.

PDFOnline-express ads
PDFOnline-express is the browser extension that can read and change data on the websites you visit. This way PUP exposes to malicious commercial content and generates revenue for the developer.
Although this is a browser extension, it installs other files or even programs on the device to ensure the persistence. Startup preferences and registry keys get altered to make sure that notifications coming to your screen without interruption and the main PUP gets launched with every system reboot. So deleting the extension from Chrome is not enough when wanting to remove PDFOnline-express completely.

For that purpose, you need automatic PDFOnline-express removal with the help of anti-malware tools. This is the best solution for cyber infections like potentially unwanted programs because, during a full system scan, all associated files and programs can get detected and eliminated. Try Reimage Reimage Cleaner for the system cleaning and PUP removal. Keeping this tool on the computer can also help to block such intruders before they enter the system.

Although this PDFOnline-express ads extension is compatible with Google Chrome, you can also encounter this or a similar adware-type program on Internet Explorer, Safari, or Mozilla Firefox. When these push notification viruses get on the system, the primary preference that gets changes is Notifications on the web browser. You need to:

  • Go to Menu on the browser and locate Advanced settings.
  • Find the Privacy & Security section and expand Content settings.
  • Block or Remove all the suspicious sites on the list under Notifications preferences.

Pay attention to the list of additionally offered applications

Browsing online is a pleasant activity, but there are many risks with the internet because malicious actors and shady people have other goals. When downloading software, updates, or tools, you should choose reliable sources or official developers and providers to avoid any corrupted programs or even malicious applications.

Unfortunately, people tend to go for p2p services, free download sites, and even skip through installation steps. Choosing Quick or Recommended options during the installation can change many things because by doing so, you automatically agree to get all the included applications.

By opting for Advanced or Custom installations, you expand the bundle and can see what applications got packed in the software bundle that is distributing PUPs alongside freeware. De-selecting programs you are not familiar with helps to avoid cyber infections. Security experts[3] also recommend keeping antivirus tools running on the machine, so such programs get blocked.

PDFOnline-express elimination tips and PUP infiltration avoidance tips

You can remove PDFOnline-express manually by uninstalling the extension from the browser it affects. However, this is not the only application that makes your device running slow and diminishes time online significantly. Since this is the adware-type program, it can also install various applications besides the extension itself that you need to find hidden.

To make sure that all the associated programs get eliminated, you need to rely on professional anti-malware tools and perform automatic PDFOnline-express removal by scanning the system entirely. Antivirus programs can find issues with the system and malicious programs, so such system cleaning improves the general performance of the PC.

You may remove virus damage with a help of Reimage Reimage Cleaner . SpyHunter 5Combo Cleaner and Malwarebytes are recommended to detect potentially unwanted programs and viruses with all their files and registry entries that are related to them.

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Compatible with Microsoft Windows Supported versions Compatible with OS X Supported versions
What to do if failed?
If you failed to remove virus damage using Reimage Reimage Cleaner, submit a question to our support team and provide as much details as possible.
Reimage Reimage Cleaner has a free limited scanner. Reimage Reimage Cleaner offers more through scan when you purchase its full version. When free scanner detects issues, you can fix them using free manual repairs or you can decide to purchase the full version in order to fix them automatically.
Alternative Software
Different software has a different purpose. If you didn’t succeed in fixing corrupted files with Reimage, try running SpyHunter 5.
Alternative Software
Different software has a different purpose. If you didn’t succeed in fixing corrupted files with Reimage Cleaner, try running Combo Cleaner.

To remove PDFOnline-express, follow these steps:

Uninstall PDFOnline-express from Windows systems

PDFOnline-express can alter various system preferences, so make sure to eliminate this PUP completely

  1. Click Start Control Panel Programs and Features (if you are Windows XP user, click on Add/Remove Programs). Click 'Start -> Control Panel -> Programs and Features' (if you are 'Windows XP' user, click on 'Add/Remove Programs').
  2. If you are Windows 10 / Windows 8 user, then right-click in the lower left corner of the screen. Once Quick Access Menu shows up, select Control Panel and Uninstall a Program. If you are 'Windows 10 / Windows 8' user, then right-click in the lower left corner of the screen. Once 'Quick Access Menu' shows up, select 'Control Panel' and 'Uninstall a Program'.
  3. Uninstall PDFOnline-express and related programs
    Here, look for PDFOnline-express or any other recently installed suspicious programs.
  4. Uninstall them and click OK to save these changes. Right click on each of suspicious entries and select 'Uninstall'

Erase PDFOnline-express from Mac OS X system

  1. If you are using OS X, click Go button at the top left of the screen and select Applications. Cick 'Go' and select 'Applications'
  2. Wait until you see Applications folder and look for PDFOnline-express or any other suspicious programs on it. Now right click on every of such entries and select Move to Trash. Click on every malicious entry and select 'Move to Trash'

Eliminate PDFOnline-express from Internet Explorer (IE)

  1. Remove dangerous add-ons
    Open Internet Explorer, click on the Gear icon (IE menu) on the top right corner of the browser and choose Manage Add-ons. Click on menu icon and select 'Manage add-ons'
  2. You will see a Manage Add-ons window. Here, look for PDFOnline-express and other suspicious plugins. Disable these entries by clicking Disable: Right click on each of malicious entries and select 'Disable'
  3. Change your homepage if it was altered by virus:
    Click on the gear icon (menu) on the top right corner of the browser and select Internet Options. Stay in General tab.
  4. Here, remove malicious URL and enter preferable domain name. Click Apply to save changes. Delete malicious URL, enter your desired domain name and click 'Apply' to save changes
  5. Reset Internet Explorer
    Click on the gear icon (menu) again and select Internet options. Go to Advanced tab.
  6. Here, select Reset.
  7. When in the new window, check Delete personal settings and select Reset again to complete PDFOnline-express removal. Go to 'Advanced' tab and click on 'Reset' button. Now select 'Delete personal settings' and click on 'Reset' button again

Remove PDFOnline-express from Microsoft Edge

Reset Microsoft Edge settings (Method 1):

  1. Launch Microsoft Edge app and click More (three dots at the top right corner of the screen).
  2. Click Settings to open more options.
  3. Once Settings window shows up, click Choose what to clear button under Clear browsing data option. Go to Settings and select 'Choose what to clear'
  4. Here, select all what you want to remove and click Clear. Select 'Clear' button
  5. Now you should right-click on the Start button (Windows logo). Here, select Task Manager. Open the start menu and select 'Task Manager'
  6. When in Processes tab, search for Microsoft Edge.
  7. Right-click on it and choose Go to details option. If can’t see Go to details option, click More details and repeat previous steps. Right-click 'Microsoft Edge' and select 'Go to details' Select 'More details' if 'Go to details' option fails to show up
  8. When Details tab shows up, find every entry with Microsoft Edge name in it. Right click on each of them and select End Task to end these entries. Find Microsoft Edge entries and select 'End Task'

Resetting Microsoft Edge browser (Method 2):

If Method 1 failed to help you, you need to use an advanced Edge reset method.

  1. Note: you need to backup your data before using this method.
  2. Find this folder on your computer: C:\Users\%username%\AppData\Local\Packages\Microsoft.MicrosoftEdge_8wekyb3d8bbwe.
  3. Select every entry which is saved on it and right click with your mouse. Then Delete option. Go to Microsoft Edge folder on your computer, right-click every entry and click 'Delete'
  4. Click the Start button (Windows logo) and type in window power in Search my stuff line.
  5. Right-click the Windows PowerShell entry and choose Run as administrator. Find Windows PowerShell, right-click it and select 'Run as administrator'
  6. Once Administrator: Windows PowerShell window shows up, paste this command line after PS C:\WINDOWS\system32> and press Enter:
    Get-AppXPackage -AllUsers -Name Microsoft.MicrosoftEdge | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register $($_.InstallLocation)\AppXManifest.xml -Verbose}
    Copy and paste a required command and press 'Enter'

Once these steps are finished, PDFOnline-express should be removed from your Microsoft Edge browser.

Delete PDFOnline-express from Mozilla Firefox (FF)

Potentially unwanted program can change browser settings, so make sure to set them to default to reverse the virus damage

  1. Remove dangerous extensions
    Open Mozilla Firefox, click on the menu icon (top right corner) and select Add-ons Extensions. Click on menu icon and select 'Add-ons'
  2. Here, select PDFOnline-express and other questionable plugins. Click Remove to delete these entries. Select 'Extensions' and look for malicious entries. Click 'Remove' to get rid of each of them
  3. Reset Mozilla Firefox
    Click on the Firefox menu on the top left and click on the question mark. Here, choose Troubleshooting Information. Click on menu icon and then on '?'. Select 'Troubleshooting Information'
  4. Now you will see Reset Firefox to its default state message with Reset Firefox button. Click this button for several times and complete PDFOnline-express removal. Click on 'Reset Firefox' button for a couple of times

Get rid of PDFOnline-express from Google Chrome

This extension can install other browser content. Uninstall PDFOnline-express ads extension and other applications manually

  1. Delete malicious plugins
    Open Google Chrome, click on the menu icon (top right corner) and select Tools Extensions. Click on menu icon. Select 'Tools' and 'Extensions'
  2. Here, select PDFOnline-express and other malicious plugins and select trash icon to delete these entries. Look for malicious entries and delete each of them by clicking on the Trash bin icon
  3. Click on menu icon again and choose Settings Manage Search engines under the Search section. When in 'Settings', select 'Manage search engines...'
  4. When in Search Engines..., remove malicious search sites. You should leave only Google or your preferred domain name. Click 'X' to remove malicious URLs
  5. Reset Google Chrome
    Click on menu icon on the top right of your Google Chrome and select Settings.
  6. Scroll down to the end of the page and click on Reset browser settings. When in 'Settings', scroll down to 'Reset browser settings' button and click on it
  7. Click Reset to confirm this action and complete PDFOnline-express removal. Click on 'Reset' button to complete your removal

Uninstall PDFOnline-express from Safari

  1. Remove dangerous extensions
    Open Safari web browser and click on Safari in menu at the top left of the screen. Once you do this, select Preferences. Click on 'Safari' and select 'Preferences'
  2. Here, select Extensions and look for PDFOnline-express or other suspicious entries. Click on the Uninstall button to get rid each of them. Go to 'Extensions' and uninstall malicious add-ons
  3. Reset Safari
    Open Safari browser and click on Safari in menu section at the top left of the screen. Here, select Reset Safari.... Click on 'Safari' and select 'Reset Safari...'
  4. Now you will see a detailed dialog window filled with reset options. All of those options are usually checked, but you can specify which of them you want to reset. Click the Reset button to complete PDFOnline-express removal process. Select all options and click on 'Reset' button

About the author

Julie Splinters
Julie Splinters - Malware removal specialist

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