Remove Best File Converter

By | Posted on May 24, 2019 |

With Best File Converter as part of the browser, users can easily convert document files to PDF format without leaving the homepage or new tab window. This is how the official website markets this browser extension. To quickly spread this app, developers are utilizing malicious advertising campaign. Therefore, web users may bump into pop-up ads and redirects that encourage the download of Best File Converter claiming that it can also improve online browsing experience.

But one distribution method which allows Best File Converter to penetrate a system without user’s knowledge is the most challenging especially to anti-virus vendors. This potentially unwanted program (PUP) can get inside the computer and load the extension on the browser via software bundling scheme and security application cannot block it due to administrative rights given to its host file. As of now, it is difficult to pin down the exact freeware host program because makers of Best File Converter are randomly packing the adware to assorted downloadable applications like utilities, media player, file manager, games, and fake software update.

During the installation of the freeware, users never receive notification on the installation of Best File Converter. The process of installing additional and unwanted app is discrete to prevent users from obstructing the progress. Once fully installed, Best File Converter overrides browser settings and takes control of homepage, new tab, and default search engine. This sudden and unsolicited modification leaves an impression of virus attack and users are helpless to remove Best File Converter due to various hidden codes and configurations it integrated on the browser.

Best File Converter

Proper way and most efficient method to get rid of Best File Converter are presented on the removal section on this page. Do not forget to scan the computer with powerful anti-malware tool to locate and delete concealed files associated to Best File Converter adware.

Best File Converter Removal Procedure

Below is a systematic instruction that is very useful in getting rid of the potentially unwanted program (PUP) from compromised computer.

In order to totally eliminate the threat, it is vital to follow the process in exact manner.

Step 1: Delete 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 Best File Converter.

Remove Best File Converter Extension from Google Chrome

1. Open Google Chrome browser.

2. Type chrome://extensions/ in the address bar and press Enter on keyboard.

Best File Converter Chrome Extension

3. Find Best File Converter or relevant entry and remove it from Google Chrome.

Uninstall Best File Converter Extension from Firefox

1. Open Mozilla Firefox browser.

2. Type about:addons in the address bar and press Enter on keyboard.

Best File Converter Firefox Extension

3. Choose Extensions on sidebar menu.

4. Look for object that is pertaining to Best File Converter or Converter, and remove it from the browser.

Remove Best File Converter Add-ons from Internet Explorer

1. Open Internet Explorer program.

2. Go to top Menu and click Tools. Then, select Manage Add-ons from the drop-down list.

Internet Explorer Add-ons

3. Look for and Remove or Disable entries of Best File Converter from Toolbars and Extension and Search Providers section.

4. Close the window and restart Internet Explorer.

If Best File Converter is still present on the IE browser, 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.

Add-Remove Best File Converter

7. Select Best File Converter or recently installed unwanted entry. Then, click on Uninstall to remove it from Windows system.

Step 2: 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 Best File Converter on the browser that was not deleted during the preceding steps. This tool will scan the computer and check for presence of malicious applications.

1. Follow the link below to download the tool called AdwCleaner.
Click here to download AdwCleaner (this will open a new window)

2. When the download has completed, please close all running programs on the computer especially browsers affected by Best File Converter.

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.

AdwCleaner

4. AdwCleaner searches the computer for malicious programs, extensions, plug-ins, adware, and any items that may be associated to Best File Converter.

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.

Step 3: Scan the Computer with Sophos Virus Removal Tool

Lastly, we will scan the computer with a multi-function security program. This will inspect the computer for possible presence of virus, malware, rootkit, adware as well as unwanted homepage like Best File Converter.

1. Download Sophos Virus Removal Tool from the link below. Save the file on your computer where you can easily access it.
Sophos Virus Removal Tool Download Link (this will open a new window)

2. Once the download completes, browse the location of the file. Double-click to run the program and begin the install process. If Windows prompts for User Account Control, please click Yes to proceed.

sophos_exe

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.

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 Best File Converter.

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 Best File Converter and other suspicious entities. Be sure to remove all identified threats.

sophos-startscan

 

Procedures to Remove Best File Converter from Mac

This section contains comprehensive guide to help you remove malicious browser hijacker from internet application.

Procedures on this page are written in a manner that can be easily understand and execute by Mac users.

Step 1 : 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 hijacker like Best File Converter. You may need to purchase full version if you require to maximize its premium features.

1. Download the tool from the following page:

Click here to Download Combo Cleaner

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 it's latest virus definition updates and click on "Start Combo Scan" to start removing Best File Converter.

Start Combo Scan

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.

Step 2 : Remove Browser Extensions that belongs to Best File Converter

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 Plugins lists when it opens a new window.

2. Once you have located Best File Converter or Wonderful Ideas, Springtech, 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 Best File Converter

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.

Command + V

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:

- Wonderful Ideas, Springtech

If you cannot find the specified file, please look for any unfamiliar or suspicious entries. It may be the one causing Best File Converter 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.

Option + Command + 4

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, Utilities folder, open Activity Monitor.

2. Select the process you want to quit.

Force Quit Locked Files

3. Click on Force Quit button.

4. You may now delete or remove locked files that belongs to Best File Converter homepage hijacker.

Step 4 : Double-check with MBAM Tool for Mac

1. Download Malwarebytes Anti-malware for Mac from this link:

Click here to download MBAM for Mac

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 Best File Converter.

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.

Malwarebytes Anti-malware for Mac

5. After the scan, Malwarebytes Anti-malware for Mac will display a list of identified threats, Best File Converter is surely part of it. Be sure to select all items in the list. Then, click Remove button to clean the computer.

Step 5 : Remove Best File Converter from Homepage and Search

Safari

- Open your Safari browser.
- Go to Safari Menu located on upper left hand corner, and then select Preferences.
- Under General tab, navigate to Default Search Engine section and select Google or any valid search engine.
- Next, be sure that "New Windows Open With" field is set to Homepage.
- Lastly, remove Best File Converter from the Homepage field. Replace it with your preferred URL to be set as your default homepage.

Google Chrome

- Open Chrome browser.
- Type the following on the address bar and press Enter on keyboard : chrome://settings/
- Look for 'On Startup' area.
- Select 'Open a specific page or set of pages'.
- Click on More Actions and select Edit.
- Enter the desired web address as your home page, replacing Best File Converter. Click Save.
- To set default search engine, go to Search Engine area.
- Click on 'Manage search engines...' button.
- Go to questionable Search Engine. Click on More Actions and Click 'Remove from list'.
- Go back to Search Engine area and choose valid entry from Search engine used in the address bar.

Mozilla Firefox

- Run Mozilla Firefox browser.
- Type the following on the address bar and hit Enter on keyboard : about:preferences
- On Startup area, select 'Show your home page' under 'When Firefox starts' field.
- Under Home Page field, type the desired URL to replace Best File Converter settings.
- To configure default search engine, select Search on left sidebar to display settings.
- Under Default Search Engine list, please select one.
- On the same page, you have an option to Remove unwanted search engine.

Step 6 : Delete Best File Converter Login Items

Some browser hijacker may also install login item into compromised account under System Preferences. This object automatically runs Best File Converter 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 Best File Converter.

5. Click on Login Items tab.

6. Select Best File Converter, Wonderful Ideas, Springtech, or any suspicious entries from the list and click on the minus [-] button and confirm your actions. Please see image below for reference.

Login Items

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 Best File Converter. 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 Wonderful Ideas, Springtech, Best File Converter or any relevant profile from the left pane. See image below.

Remove Profile

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 Best File Converter.

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