In order to be able to hijack a browser, there has to be a program to introduce it and most of the period, it has been completed by installing unwanted browser extensions. Apart from hijacking, the app that is causing this has also been designate to do other wicked stuff, including tracking data and reorient pages to other malign sites. An example of this undesirable browser extension is called PDF Converter Search 4 Free.
Further information on PDF Converter Search 4 Free
Looking at AllStreamSearch and IMovieSearch, we can clearly see that PDF Converter Search 4 Free looks like mentioned browser hijacker variants. They belong virtually to the same block of adware families and in reality there were already a hundred duplicate of this doubtful application. Only changeable is the title or the name given to the extension and everything else remains as-is. PDF Converter Search 4 Free propagates in the same manner as its predecessors and as usual, it uses the following tactics.
Malicious software bundles
Freeware download, shareware, and unreliable third-party programs are strongly opposed by IT security experts specifically those that came from suspicious sites. In their opinion, they are common sources of adware or malware infection. To support this, they assert that most of the suspicious freeware site is embedding the adware on their program. Hence, downloading and installing them opens the path for the unwanted program to enter the computer.
Aggressive advertisements
Pop-ups that are overly convincing are another method in which we plotted the massive distribution of PDF Converter Search 4 Free. The pop-up promotes PDF Converter Search 4 Free as a valuable app that enhances online search and navigation experience for online users. Additionally, this tool asserts to provide quick links to web sites and on-line file conversion resources. However, what happened after the installation of PDF Converter Search 4 Free was in fact the opposite. Browser will suffer from decreased performance and annoying display of a large amount of commercials. Internet program will suffer from decreased performance and annoying display of a large amount of commercials.
Bogus software update
As obtrusive ads, the regimen on this technique is also using the on-line advertising campaign to dispense PDF Converter Search 4 Free. However, this approach is evasive and need an immeasurable amount of deceitful visuals, including page design, content, graphics and attractive links. The page intends to defraud the web user by proclaiming that the system alert, which has recognized software conflicts and software upgrade download must be conducted as soon as possible. However, rather than the update, the ads will install PDF Converter Search 4 Free into the Internet browser application.
What can be done with PDF Converter Search 4 Free?
Knowing that this browser extension provides no benefit and all it can bear are inconveniences and disorder to the web user’s browsing experience, there is no other option but to obliterate it from the computer. In the succeeding section, we furnish easy steps with a virus and malware scanner to carefully check for malevolent entry on the computer.
PDF Converter Search 4 Free Removal Procedure for PC
Below is a systematic instruction that is very useful in getting rid of the potentially unwanted program (PUP) from compromised Windows computer. Aside from removing the malicious browser extension, this guide is also helpful in deleting Pdfconvertersearch4free.com hijacker and pop-ups.
In order to totally eliminate the threat, it is vital to follow the process in exact manner.
Step 1 : Delete PDF Converter Search 4 Free Browser Extension
Most adware and unwanted programs are using a program called browser extension to be able to take over the settings of internet applications. Therefore, we highly recommend to check and remove the extension that is closely related to PDF Converter Search 4 Free.
Remove PDF Converter Search 4 Free Extension from Google Chrome
1. Open Google Chrome browser.
2. Type chrome://extensions/ in the address bar and press Enter on keyboard.
3. Find PDF Converter Search 4 Free or relevant entry like Pdfconvertersearch4free.com and remove it from Google Chrome browser.
Uninstall PDF Converter Search 4 Free Extension from Mozilla Firefox
1. Open Mozilla Firefox browser.
2. Type about:addons in the address bar and press Enter on keyboard.
3. Choose Extensions on sidebar menu.
4. Look for object that is pertaining to PDF Converter Search 4 Free and remove it from the browser.
After deleting the malicious browser extension, it is expected that Pdfconvertersearch4free.com is also gone from the homepage.
Remove PDF Converter Search 4 Free Add-ons from Internet Explorer and Edge Browser
1. Open Internet Explorer program.
2. Go to top Menu and click Tools. Then, select Manage Add-ons from the drop-down list.
3. Look for and Remove or Disable entries of PDF Converter Search 4 Free from Toolbars and Extension. Additionally, delete Pdfconvertersearch4free.com from Search Providers section.
4. Close the window and restart Internet Explorer.
If PDF Converter Search 4 Free is still present on the IE browser and there are still homepage and pop-ups originating from Pdfconvertersearch4free.com, another option is to remove the adware from Windows Control Panel.
5. Press Windows Key + R and then, type appwiz.cpl command.
6. Program and Features window will open. Arrange the list in chronological manner with recently installed applications on top. To do this, click on 'Installed On' column.
7. Select PDF Converter Search 4 Free or recently installed unwanted entry. Then, click on Uninstall to remove it from Windows system.
Step 2 : Scan the computer with Sophos Antivirus
To remove PDF Converter Search 4 Free automatically, scanning the computer with this powerful malware and virus removal tool is recommended. This scanner does not just uncover known threats like viruses or malware, it is also effective in discovering browser hijacker like PDF Converter Search 4 Free that assigns Pdfconvertersearch4free.com as the homepage URL.
1. Download Sophos Virus Removal Tool from the link below. Save the file on your computer where you can easily access it.
2. Once the download completes, browse the location of the file. Double-click to run the program and begin the install process.
3. On first windows of installation wizard, click Next to continue. Then, it will display the program’s License Agreement. You need to Accept the terms in order to proceed. If Windows prompts for User Account Control, please click Yes to proceed.
4. On succeeding windows, click Next or Continue to carry on with the installation. After completing the installation process, Launch Sophos Virus Removal Tool.
5. Internet connection is required when running this scanner in order to download important updates. Make sure that everything is up-to-date to effectively remove malicious program like PDF Converter Search 4 Free.
6. Click the button to carry out the Scan. This will check the system for presence of malicious objects, malware, and viruses. The tool reveals items that were found linked to PDF Converter Search 4 Free and other suspicious entities. Be sure to remove all identified threats.
The chances of stopping Pdfconvertersearch4free.com pop-ups or redirects is also possible after the threat removal. If it still remains, please follow the Pdfconvertersearch4free.com pop-up removal guide.
The above procedures should have totally eliminated the PDF Converter Search 4 Free browser hijacker. However, if you found that there are still remnants of the threat and Pdfconvertersearch4free.com still exists on internet application, please proceed to manual removal of associated objects as outlined below.
Step 3 : Scan and Delete Adware with AdwCleaner
In addition to the procedure, we suggest scanning the computer with AdwCleaner tool. Possibly, there are some traces of PDF Converter Search 4 Free on the browser that was not deleted during the preceding steps. This tool will scan the computer and check for presence of malicious applications as well as invalid browser entries that produces Pdfconvertersearch4free.com pop-ups.
1. Follow the link below to download the tool called AdwCleaner.
2. When the download has completed, please close all running programs on the computer especially browsers affected by PDF Converter Search 4 Free.
3. Browse the location of the downloaded file and double-click on adwcleaner_Ver.exe to start running the tool. Then, click on Scan button.
4. AdwCleaner searches the computer for malicious programs, extensions, plug-ins, adware, and any items that may be associated to PDF Converter Search 4 Free. It will also check for suspicious entries on browser settings that is associated with Pdfconvertersearch4free.com.
5. Clean or Remove all suspicious and harmful items identified after the thorough scan.
6. After the cleanup procedure, rebooting the computer is required to finalize the removal of detected threats.
In addition to the procedures above, resetting the affected browser program and clearing the cache are extra methods to completely eliminate PDF Converter Search 4 Free. You can execute the guide on resetting internet browser below.
Procedures to Remove PDF Converter Search 4 Free from Mac
This section contains comprehensive guide for Mac users. It will help you remove the subject malicious browser extension from internet software. In the same manner, the procedure is helpful in stopping Pdfconvertersearch4free.com pop-ups and browser hijacking activities.
Procedures on this page are written in a manner that can be easily understand and execute by Mac users.
Quick Fix - Scan the System with Combo Cleaner
Combo Cleaner is a trusted Mac utility application with complete antivirus and optimization features. It is useful in dealing with adware, malware, and PUP's. Moreover, it can get rid of malicious browser extension like PDF Converter Search 4 Free that is responsible for displaying Pdfconvertersearch4free.com homepage and pop-ups. You may need to purchase full version if you require to maximize its premium features.
1. Download the tool from the following page:
2. Double-click the downloaded file and proceed with the installation.
3. In the opened window, drag and drop the Combo Cleaner icon onto your Applications folder icon.
4. Open your Launchpad and click on the Combo Cleaner icon.
5. Wait until antivirus downloads its latest virus definition updates and click on "Start Combo Scan" to start removing PDF Converter Search 4 Free.
6. Free features of Combo Cleaner include Disk Cleaner, Big Files finder, Duplicate files finder, and Uninstaller. To use antivirus and privacy scanner, users have to upgrade to a premium version.
Proceed with the rest of the removal steps if you are comfortable in manually removing malicious objects associated with the threat. The following guides are also vital in deleting Pdfconvertersearch4free.com from the browser configuration.
Step 1 : Delete PDF Converter Search 4 Free from Mac Applications
1. Go to Finder.
2. On the menu, click Go and then, select Applications from the list to open Applications Folder.
3. Find PDF Converter Search 4 Free or any unwanted program.
4. Drag PDF Converter Search 4 Free to Trash Bin to delete the application from Mac.
5. Right-click on Trash icon and click on Empty Trash.
Step 2 : Remove Browser Extensions that belongs to PDF Converter Search 4 Free
1. Locate the add-on or extension that is relevant to the hijacker. To do this, please follow the following depending on affected browser.
Safari - Choose Preferences from the Safari menu, then click the Extensions icon. This will open a window showing all installed extensions.
Chrome - Select Preferences from the Chrome menu, and then click the Extensions link found on the left pane.
Firefox - Choose Add-ons from the Menu. Look at both the Extensions and Plug-ins lists when it opens a new window.
2. Once you have located PDF Converter Search 4 Free or any relevant item like Pdfconvertersearch4free.com, click on Remove or Uninstall, to get rid of it.
3. Close the browser and proceed to the next steps.
Step 3 : Delete Malicious Files that have installed PDF Converter Search 4 Free
1. Select and copy the string below to your Clipboard by pressing Command + C on your keyboard.
~/Library/LaunchAgents
2. Go to your Finder. From the menu bar please select Go > Go to Folder...
3. Press Command + V on your keyboard to paste the copied string. Press Return to go to the said folder.
4. You will now see a folder named LaunchAgents. Take note of the following files inside the folder:
- unknown.download.plist
- unknown.ltvbit.plist
- unknown.update.plist
- com.unknown
The term unknown is just a representation of the actual malware name. It is normally an unfamiliar file name such as the following:
- PDFtSearch, PDF Searchio
On some occassions, the malware is represented by a domain name that is closely related to the subject. Like in this case, it can be Pdfconvertersearch4free.com.
If you cannot find the specified file, please look for any unfamiliar or suspicious entries. It may be the one causing PDF Converter Search 4 Free to be present on your Mac. Arranging all items to see the most latest ones may also help you identify recently installed unfamiliar files. Please press Option + Command + 4 on your keyboard to arrange the application list in chronological order.
Important: Take note of all the suspicious files as you may also delete the same item on another folder as we go on.
5. Drag all suspicious files that you may find to Trash.
6. Please restart the computer.
7. Open another folder using the same method as above. Copy and Paste the following string to easily locate the folder.
~/Library/Application Support
8. Look for any suspicious items that are similar to the ones in Step 4. Drag them to the Trash.
9. Repeat the process on the following non-hidden folders (without ~):
/Library/LaunchAgents
/Library/LaunchDaemons
/Library/Application Support
/Library/Preferences
Optional : For locked files that cannot be removed, do the following:
1. Go to Launchpad and open Activity Monitor (Under Utilities or Other Folder).
2. Select the process you want to quit.
3. Click on Force Quit button.
4. You may now delete or remove locked files that belongs to PDF Converter Search 4 Free browser extension or Pdfconvertersearch4free.com homepage hijacker.
Step 4 : Double-check with MBAM Tool for Mac
1. Download Malwarebytes Anti-malware for Mac from the link below.
2. Run Malwarebytes Anti-malware for Mac. It will check for updates and download if most recent version is available. This is necessary in finding recent malware threats including the PDF Converter Search 4 Free malware and Pdfconvertersearch4free.com browser hijacker and pop-up provider.
3. If it prompts to close all running web browser, please do so. Thus, we advise you to PRINT this guide for your reference before going offline.
4. Once it opens the user interface, please click on Scan button to start scanning your Mac computer.
5. After the scan, Malwarebytes Anti-malware for Mac will display a list of identified threats, PDF Converter Search 4 Free is surely part of it. Be sure to select all items in the list. Then, click Remove button to clean the computer.
Step 5 : Delete PDF Converter Search 4 Free Login Items
Some browser hijacker may also install login item into compromised account under System Preferences. This object automatically runs PDF Converter Search 4 Free during user log in.
1. Go to Apple menu and choose System Preferences.
2. Select Users & Groups from the preferences window.
3. You may need to Unlock this area in order to make changes. Click on the Lock icon on lower left corner of the window.
4. Next, select user account that runs PDF Converter Search 4 Free.
5. Click on Login Items tab.
6. Select PDF Converter Search 4 Free, , or any suspicious entries from the list and click on the minus [-] button and confirm your actions. Please see image below for reference.
Optional : If unable to change browser settings, execute these steps:
Some user complains that there is no way to change browser settings because it is grayed out by PDF Converter Search 4 Free. In such situation, it is important to check if there is unwanted profile. Please do the following:
1. Quit any running applications and launch System Preferences from your Dock.
2. Under System Preferences, click Profiles.
3. Select , PDF Converter Search 4 Free or any relevant profile from the left pane. See image below.
4. At the bottom of this window, click minus [-] button to delete the account. Please refer to image above.
5. Close the Profiles window and open the affected browser to change all settings associated with PDF Converter Search 4 Free.
There's More... Reset Internet Browser Apps (PC and Mac)
Cleaning your internet browser from clutter and unwanted add-on/extension is a must when dealing with PDF Converter Search 4 Free. The procedure below discuss on resetting various browsers to its default state.
Restore Google Chrome to Default Settings
Resetting Google Chrome to default settings is helpful in deleting hard-to-remove extension such as from PDF Converter Search 4 Free. This method is highly advisable to perform if you have difficulty in removing unwanted extension.
1. Open Google Chrome Internet browser.
2. On the address bar, type chrome://settings/reset and press Enter key.
3. Under Reset and clean up section, choose Restore settings to their original defaults.
4. Click Reset settings button to clear all entries of PDF Converter Search 4 Free.
5. Close the existing tab and restart Google Chrome. That should have removed PDF Converter Search 4 Free extension and associated objects.
Reset Mozilla Firefox to Default
This section describes how to remove unwanted extension from Firefox that may be related to PDF Converter Search 4 Free. This process can fix many browser issues by restoring Firefox to factory settings without affecting your essential information (bookmarks, browsing history, passwords, and Internet cookies) on the browser. If you desire to remove only specific extension, please see manual removal of add-on from Firefox.
1. Input the string about:support on Firefox web address and press Enter on keyboard.
2. You will now see the Troubleshooting Information page of Mozilla Firefox.
3. You will notice a section on upper-right corner of the screen stating Give Firefox a tune up. Click the Refresh Firefox button.
4. If confirmation window appears, click Refresh Firefox to continue.
5. Firefox browser will close and start the resetting process. When done, it will display a list of restored data. PDF Converter Search 4 Free should be gone by now. Click Finish to open a fresh version of Firefox.
Restore Internet Explorer to Default Settings
1. Open Internet Explorer and navigate to top menu. Click Tools, and then Internet Options.
2. Select Advanced tab on Internet Options window.
3. On lower part of the window, under Reset Internet Explorer Settings area, click the Reset button. Please see image for reference.
Your data like favorites, bookmark, and history will remain in the browser. However, this process may delete add-ons by PDF Converter Search 4 Free and other unknown objects. If you prefer to carry out the procedure manually, please add-on removal from Internet Explorer.
Clear the Safari Internet Browser (Mac)
1. Open your Safari browser application.
2. In the Safari menu, click on Preferences from the drop-down list.
3. On Preferences window, please select the Privacy tab.
4. Click on Manage Website Data button.
5. Select unwanted entry like PDF Converter Search 4 Free and click the Remove button. If you choose to Remove All, you may be logout from most visited websites and online services. Therefore, we advise to remove suspicious item one at a time to prevent changing behavior towards your favorite websites.
6. If it prompts, please confirm your actions.
7. Next, we will need to clear the Cache. Back at the Safari Preferences window, choose Advanced tab.
8. Navigate to the bottom and activate Show Develop menu in menu bar.
9. Go to Safari menu, choose on Develop from the drop down list and click on on Empty Caches.
10. Next thing to do is to restore the Homepage to your preference and remove the one from PDF Converter Search 4 Free.
11. Back at the Safari Preferences window, click on General tab.
12. Under Homepage section, type your desired URL to be the default start-up page.
13. Lastly, make sure to have the right Search Engine.
14. Go back to Safari Preferences window and click on Search tab.
15. Select your desired Search tool under the Search engine section.
16. You may not restart Safari browser.
How to remove Pdfconvertersearch4free.com Pop-ups (Notification)
Most of the time, browser hijackers are combined with intrusive pop-up ads originating from the source website Pdfconvertersearch4free.com. It is taking advantage of push notification feature of popular internet programs like Google Chrome, Mozilla Firefox, Safari, or Edge. These pop-up ads from Pdfconvertersearch4free.com are extra ordinary as it exceeds the normal display volume and they are certainly annoying.
Normally, Pdfconvertersearch4free.com pop-ups will start to bombard internet browser screen with pop-ups if web user was deceived to click “Allow” button that triggers the said website to send push notification. To stop Pdfconvertersearch4free.com from showing the pop-ups, please execute the procedures below. Remember, these steps may only be successful after the removal of the main component or dubious browser extension.
Google Chrome
1. On Google Chrome browser, input the following in the address bar and press Enter:
chrome://settings/content/notifications
2. Navigate to the list under "Allow" section and look for Pdfconvertersearch4free.com.
3. Click the ellipses (3 dots) beside Pdfconvertersearch4free.com list to reveal the options.
4. Click on Block or Remove to stop Pdfconvertersearch4free.com from displaying pop-up ads on Google Chrome browser.
6. Please restart Google Chrome browser.
Mozilla Firefox
1. On Mozilla Firefox browser, type the following in the address bar and press Enter key:
about:preferences#privacy
2. Navigate below to Permission area and look for Notifications.
3. Click the Settings button aligned with the Notifications.
4. Look for Pdfconvertersearch4free.com entry and change the Status to Block.
5. Click on Save Changes and restart Mozilla Firefox and check if Pdfconvertersearch4free.com pop-up is gone.
Safari (Mac)
1. On top menu, click on Safari and then, select Preferences from the drop-down list.
2. Click on Websites tab to open its settings.
3. Select Notifications from the left sidebar.
4. On right panel, it will display a list of websites with "Allow" attribute.
5. Find and click on Pdfconvertersearch4free.com.
6. You may choose to Deny or Remove it from the notification list.
7. You may now restart Safari browser and see if Pdfconvertersearch4free.com pop-up is gone.
Microsoft Edge
1. Assuming that Edge browser is open, click on the ellipses (3 dots) on upper right corner to open the Settings. Alternatively, you can press Alt + X on the keyboard.
2. Select Settings from the drop-down list.
3. Click on Advanced.
4. Under Website Permissions area, click on Manage Permissions button.
4. Find and select Pdfconvertersearch4free.com from the list. Click on X button to stop it from showing pop-up ads or notifications.
5. You may now restart Edge browser.
