Removing Best Files Downloader adware and the advertisements it displays
Written by Tomas Meskauskas on (updated)
What is Best Files Downloader?
Best Files Downloader is a rogue browser extension that our research team found while looking through dubious software-promoting sites. This extension is endorsed as a download management tool. However, our analysis revealed that Best Files Downloader operates as advertising-supported software (adware).
Best Files Downloader adware overview
Adware is designed to display advertisements on visited sites and/or different interfaces. These ads promote online scams, untrustworthy/harmful websites and software, and even malware. Additionally, some intrusive adverts can be triggered (by being clicked) to make stealthy downloads/installations.
It is pertinent to mention that any legitimate products encountered via these advertisements are unlikely to be promoted by their developers. Instead, this promotion is undertaken by scammers' abusing the products' affiliate programs to obtain illegitimate commissions.
It is noteworthy that advertising-supported software may require specific conditions to deliver intrusive advertisement campaigns (e.g., compatible browser/system, visits to particular websites, etc.). However, regardless of whether Best Files Downloader (or other adware) displays adverts - its presence on a system endangers device/user safety.
Furthermore, Best Files Downloader has data tracking abilities. Targeted information may include: browsing and search engine histories, personally identifiable details, usernames/passwords, financial/banking data, etc. The gathered data can then be shared with and/or sold to third-parties (potentially, cyber criminals).
In summary, the presence of software like Best Files Downloader on devices can lead to system infections, severe privacy issues, financial losses, and even identity theft.
| Name | Ads by Best Files Downloader |
| Threat Type | Adware, Unwanted ads, Pop-up Virus |
| Browser Extension(s) | Best Files Downloader |
| Supposed Functionality | Download management tool |
| Symptoms | Seeing advertisements not originating from the sites you are browsing. Intrusive pop-up ads. Decreased Internet browsing speed. |
| Distribution Methods | Deceptive pop-up ads, free software installers (bundling), fake Flash Player installers. |
| Damage | Decreased computer performance, browser tracking - privacy issues, possible additional malware infections. |
| Malware Removal (Windows) | To eliminate possible malware infections, scan your computer with legitimate antivirus software. Our security researchers recommend using Combo Cleaner. |
Adware examples
We have analyzed thousands of advertising-supported software samples; Easy Tuning Videos, frame order, Files Download Fast, and paint page are just some examples of our newest finds. Adware usually appears legitimate and offers "handy" features. However, these functions rarely work as promised, and in most cases - they are nonoperational.
How did Best Files Downloader install on my computer?
We acquired Best Files Downloader from its "official" promotional webpage. Additionally, adware is pushed through scam sites. Users typically access these websites via redirects caused by pages using rogue advertising networks, spam browser notifications, mistyped URLs, intrusive adverts, or installed adware (with browser force-opening capabilities).
Intrusive advertisements proliferate advertising-supported software as well. When clicked on, some of these ads can execute scripts to make stealthy downloads/installations.
Adware can also be bundled (packed together) with ordinary programs. Download from dubious channels (e.g., unofficial and freeware sites, P2P sharing networks, etc.) and rushed installations increase the risk of allowing bundled content into the system.
How to avoid installation of adware?
We highly recommend researching software and downloading only from official/verified sources. When installing, it is crucial to read terms, study available options, use the "Custom/Advanced" settings, and opt-out of all additions.
We advise exercising caution when browsing as fraudulent and malicious content usually appears legitimate. For example, intrusive advertisements look harmless yet redirect to questionable websites (e.g., gambling, pornography, adult-dating, etc.).
If you experience such ads/redirects, check the system and immediately remove all suspect applications and browser extensions/plug-ins. If your computer is already infected with Best Files Downloader, we recommend running a scan with Combo Cleaner Antivirus for Windows to automatically eliminate this adware.
Screenshot of the website used to promote Best Files Downloader adware:
Instant automatic malware removal:
Manual threat removal might be a lengthy and complicated process that requires advanced IT skills. Combo Cleaner is a professional automatic malware removal tool that is recommended to get rid of malware. Download it by clicking the button below:
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Quick menu:
- What is Best Files Downloader?
- STEP 1. Uninstall Best Files Downloader application using Control Panel.
- STEP 2. Remove Best Files Downloader ads from Google Chrome.
- STEP 3. Remove 'Ads by Best Files Downloader' from Mozilla Firefox.
- STEP 4. Remove Best Files Downloader extension from Safari.
- STEP 5. Remove rogue plug-ins from Microsoft Edge.
Best Files Downloader adware removal:
Windows 11 users:
Right-click on the Start icon, select Apps and Features. In the opened window search for the application you want to uninstall, after locating it, click on the three vertical dots and select Uninstall.
Windows 10 users:
Right-click in the lower left corner of the screen, in the Quick Access Menu select Control Panel. In the opened window choose Programs and Features.
Windows 7 users:
Click Start (Windows Logo at the bottom left corner of your desktop), choose Control Panel. Locate Programs and click Uninstall a program.
macOS (OSX) users:
Click Finder, in the opened screen select Applications. Drag the app from the Applications folder to the Trash (located in your Dock), then right click the Trash icon and select Empty Trash.
In the uninstall programs window, look for "Best Files Downloader", select this entry and click "Uninstall" or "Remove".
After uninstalling the potentially unwanted application (which causes Best Files Downloader ads), scan your computer for any remaining unwanted components or possible malware infections. To scan your computer, use recommended malware removal software.
Remove Best Files Downloader adware from Internet browsers:
Video showing how to remove Best Files Downloader adware using Combo Cleaner:
Remove malicious extensions from Google Chrome:
Click the Chrome menu icon 
(at the top right corner of Google Chrome), select "More tools" and click "Extensions". Locate "Best Files Downloader", select this entry and click the trash can icon.
Optional method:
If you continue to have problems with removal of the ads by best files downloader, reset your Google Chrome browser settings. Click the Chrome menu icon (at the top right corner of Google Chrome) and select Settings. Scroll down to the bottom of the screen. Click the Advanced… link.
After scrolling to the bottom of the screen, click the Reset (Restore settings to their original defaults) button.
In the opened window, confirm that you wish to reset Google Chrome settings to default by clicking the Reset button.
Remove malicious plugins from Mozilla Firefox:
Click the Firefox menu 
(at the top right corner of the main window), select "Add-ons". Click "Extensions", in the opened window, remove "Best Files Downloader".
Optional method:
Computer users who have problems with ads by best files downloader removal can reset their Mozilla Firefox settings.
Open Mozilla Firefox, at the top right corner of the main window, click the Firefox menu, in the opened menu, click Help.
Select Troubleshooting Information.
In the opened window, click the Refresh Firefox button.
In the opened window, confirm that you wish to reset Mozilla Firefox settings to default by clicking the Refresh Firefox button.
Remove malicious extensions from Safari:
Make sure your Safari browser is active, click Safari menu, and select Preferences....
In the opened window click Extensions, locate any recently installed suspicious extension, select it and click Uninstall.
Optional method:
Make sure your Safari browser is active and click on Safari menu. From the drop down menu select Clear History and Website Data...
In the opened window select all history and click the Clear History button.
Remove malicious extensions from Microsoft Edge:
Click the Edge menu icon 
(at the upper-right corner of Microsoft Edge), select "Extensions". Locate all recently-installed suspicious browser add-ons and click "Remove" below their names.
Optional method:
If you continue to have problems with removal of the ads by best files downloader, reset your Microsoft Edge browser settings. Click the Edge menu icon (at the top right corner of Microsoft Edge) and select Settings.
In the opened settings menu select Reset settings.
Select Restore settings to their default values. In the opened window, confirm that you wish to reset Microsoft Edge settings to default by clicking the Reset button.
- If this did not help, follow these alternative instructions explaining how to reset the Microsoft Edge browser.
Summary:
Commonly, adware or potentially unwanted applications infiltrate Internet browsers through free software downloads. Note that the safest source for downloading free software is via developers' websites only. To avoid installation of adware, be very attentive when downloading and installing free software. When installing previously-downloaded free programs, choose the custom or advanced installation options – this step will reveal any potentially unwanted applications listed for installation together with your chosen free program.
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Frequently Asked Questions (FAQ)
What harm can adware cause?
Adware endangers device integrity and user safety. It can decrease browsing quality and system performance. This software typically has data tracking abilities, which make it a privacy threat. Furthermore, adware-delivered advertisements endorse deceptive/malicious content that can cause severe issues (e.g., system infections, financial losses, etc.).
What does adware do?
Adware operates by enabling the placement of third-party graphical content (advertisements) on visited websites and/or other interfaces. Some types can also force-open sites and collect private data.
How do adware developers generate revenue?
Adware generates most of the profit through affiliate programs by promoting various websites, apps, services, etc.
Will Combo Cleaner remove Best Files Downloader adware?
Yes, Combo Cleaner will scan your computer and eliminate detected adware-type apps. Note that manual removal (unaided by security software) might not be ideal. In some cases, even after the adware has been (manually) removed - various file leftovers stay hidden in the system. Furthermore, these remnants may continue running and causing problems. Therefore, it is essential to eliminate adware thoroughly.
Outstanding!
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