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How to eliminate the Ultimate Files Downloader adware

Also Known As: Ads by Ultimate Files Downloader
Type: Adware
Damage level: Medium

What is Ultimate Files Downloader?

While inspecting suspicious sites, our researchers discovered the Ultimate Files Downloader browser extension. It is presented as a download management tool. However, our inspection of Ultimate Files Downloader revealed that it operates as advertising-supported software (adware).

Ultimate Files Downloader adware asking for permissions

Ultimate Files Downloader adware overview

Adware is designed to display advertisements (e.g., pop-ups, surveys, coupons, banners, overlays, etc.) on visited websites and/or other interfaces. These ads endorse online scams, unreliable/hazardous software, and even malware. Some intrusive adverts can execute scripts to perform stealthy downloads/installations upon being clicked.

Note that any legitimate content encountered via these advertisements is unlikely to be promoted by its actual developers. It is most probable that this endorsement is undertaken by scammers who abuse the product's affiliate programs in order to obtain illegitimate commissions.

In addition to running intrusive ad campaigns, Ultimate Files Downloader collects private data. Information of interest may include: URLs visited, webpages viewed, search queries typed, downloads, Internet cookies, usernames/passwords, personally identifiable details, finance-related data, and so forth. The collected data can be sold to third-parties or otherwise abused for profit.

In summary, the presence of advertising-supported software like Ultimate Files Downloader on devices can result in system infections, severe privacy issues, financial losses, and even identity theft.

Threat Summary:
Name Ads by Ultimate Files Downloader
Threat Type Adware, Unwanted ads, Pop-up Virus
Browser Extension(s) Ultimate Files Downloader
Supposed Functionality Download management
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).
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.
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Adware examples

We have analyzed thousands of adware samples; Tab ManagerOnline RadioSkipAds for Youtube – are just a few of our newest finds.

Software within this classification usually appears legitimate and offers various functionalities. However, adware seldom works as promised, and in most cases – it is utterly nonoperational. It must be stressed that even if a piece of software works as indicated by its promotional material – that is not definitive proof of its legitimacy or safety.

How did Ultimate Files Downloader install on my computer?

We acquired Ultimate Files Downloader from its "official" promotional webpage, and we found a deceptive site endorsing this extension. Most users access these pages via redirects caused by mistyped URLs, websites employing rogue advertising networks, spam browser notifications, intrusive ads, or installed adware (with browser force-opening capabilities).

"Bundling" – packing regular program installers with unwanted/malicious supplements – is also used to proliferate adware. Downloading from untrustworthy channels (e.g., freeware and free file-hosting websites, Peer-to-Peer sharing networks, etc.) and rushing through installation processes – increase the risk of allowing bundled content into the system.

Intrusive advertisements spread advertising-supported software as well. When clicked on, some of these adverts can execute scripts to perform downloads/installations without user consent.

How to avoid installation of adware?

We strongly recommend researching software and downloading it only from official/verified sources. We also advise exercising caution when installing software, e.g., by reading terms, inspecting possible options, using the "Custom/Advanced" settings, and opting out of all additional apps, extensions, etc.

Another recommendation is to be vigilant while browsing since fraudulent and malicious content typically appears legitimate and harmless. For example, while intrusive advertisements may look ordinary and innocuous – they redirect to highly questionable websites (e.g., gambling, pornography, adult dating, etc.).

In case of continuous encounters with such ads/redirects, check the device and immediately remove all dubious applications and browser extensions/plug-ins. If your computer is already infected with Ultimate Files Downloader, we recommend running a scan with Combo Cleaner Antivirus for Windows to automatically eliminate this adware.

Screenshot of Ultimate Files Downloader adware's "official" promotional website:

Website promoting Ultimate Files Downloader adware

Screenshot of a deceptive website used to promote Ultimate Files Downloader adware:

Deceptive website promoting Ultimate Files Downloader adware

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▼ DOWNLOAD Combo Cleaner By downloading any software listed on this website you agree to our Privacy Policy and Terms of Use. To use full-featured product, you have to purchase a license for Combo Cleaner. 7 days free trial available. Combo Cleaner is owned and operated by Rcs Lt, the parent company of PCRisk.com read more.

Quick menu:

Adware removal:

Windows 11 users:

Accessing Apps and Features in Windows 11

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:

Accessing Programs and Features (uninstall) in Windows 8

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:

Accessing Programs and Features (uninstall) in Windows 7

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:

Uninstall app in OSX (Mac)

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.

Adware uninstall via Control Panel

In the uninstall programs window, look for any unwanted applications, select these entries and click "Uninstall" or "Remove".

After uninstalling the unwanted applications, scan your computer for any remaining unwanted components or possible malware infections. To scan your computer, use recommended malware removal software.

Remove adware from Internet browsers:

Video showing how to remove Ultimate Files Downloader adware using Combo Cleaner:

Google Chrome logoRemove malicious extensions from Google Chrome:

Removing unwanted ads from Google Chrome step 1

Click the Chrome menu icon Google Chrome menu icon (at the top right corner of Google Chrome), select "More Tools" and click "Extensions". Locate "Ultimate Files Downloader" and all other recently-installed suspicious extensions, select these entries and click "Remove".

Removing unwanted ads from Google Chrome step 2

Optional method:

If you continue to have problems with removal of the ads by ultimate files downloader, reset your Google Chrome browser settings. Click the Chrome menu icon Google 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.

Google Chrome settings reset step 1

After scrolling to the bottom of the screen, click the Reset (Restore settings to their original defaults) button.

Google Chrome settings reset step 2

In the opened window, confirm that you wish to reset Google Chrome settings to default by clicking the Reset button.

Google Chrome settings reset step 3

Mozilla Firefox logoRemove malicious plugins from Mozilla Firefox:

Removing unwanted ads from Mozilla Firefox step 1

Click the Firefox menu firefox menu icon (at the top right corner of the main window), select "Add-ons and themes". Click "Extensions", in the opened window locate recently-installed suspicious extensions, click on the three dots and then click "Remove".

Removing unwanted ads from Mozilla Firefox step 2

Optional method:

Computer users who have problems with ads by ultimate 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, firefox menu icon in the opened menu, click Help.

Accessing settings (Reset Firefox to default settings step 1)

Select Troubleshooting Information.

Accessing Troubleshooting Information (Reset Firefox to default settings step 2)

In the opened window, click the Refresh Firefox button.

Clicking on Refresh Firefox button (Reset Firefox to default settings step 3)

In the opened window, confirm that you wish to reset Mozilla Firefox settings to default by clicking the Refresh Firefox button.

Confirm your want to reset Firefox settings to default (Reset Firefox to default settings step 4)

safari browser logoRemove malicious extensions from Safari:

removing adware from safari step 1 - accessing preferences

Make sure your Safari browser is active, click Safari menu, and select Preferences....

removing adware from safari step 2 - removing extensions

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...

resetting safari step 1

In the opened window select all history and click the Clear History button.

resetting safari step 2

Microsoft Edge (Chromium) logoRemove malicious extensions from Microsoft Edge:

Removing adware from Microsoft Edge step 1

Click the Edge menu icon Microsoft Edge (chromium) 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.

Removing adware from Microsoft Edge step 2

Optional method:

If you continue to have problems with removal of the ads by ultimate files downloader, reset your Microsoft Edge browser settings. Click the Edge menu icon Microsoft Edge (chromium) menu icon (at the top right corner of Microsoft Edge) and select Settings.

Microsoft Edge (Chromium) reset step 1

In the opened settings menu select Reset settings.

Microsoft Edge (Chromium) reset step 2

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.

Microsoft Edge (Chromium) reset step 3

  • If this did not help, follow these alternative instructions explaining how to reset the Microsoft Edge browser.

Summary:

declining installation of adware while downloading free software sampleCommonly, 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.

Post a comment:
If you have additional information on ads by ultimate files downloader or it's removal please share your knowledge in the comments section below.

Frequently Asked Questions (FAQ)

What harm can adware cause?

Adware can decrease browsing quality and system performance. It displays advertisements capable of causing serious problems, such as system infections, financial losses, etc. Additionally, this software usually has data-tracking abilities – hence, it is considered to be a threat to user privacy.

What does adware do?

Adware stands for advertising-supported software. It operates by enabling the placement of ads on visited webpages and/or other interfaces. Furthermore, this software may be capable of causing redirects and collecting vulnerable information.

How do adware developers generate revenue?

Most of the profit comes from affiliate programs. Adware developers may earn commissions from ad clicks, site visits, file downloads, product purchases, service subscriptions, or similar.

Will Combo Cleaner remove Ultimate Files Downloader adware?

Yes, Combo Cleaner will scan your computer and eliminate detected adware-type apps. It is noteworthy that manual removal (unaided by security programs) might not be an ideal solution. In some cases, even after the adware has been manually removed – various components (files) remain hidden within the system. Furthermore, the remnants may continue to run and cause issues. Therefore, it is essential to remove advertising-supported software thoroughly.

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About the author:

Tomas Meskauskas

Tomas Meskauskas - expert security researcher, professional malware analyst.

I am passionate about computer security and technology. I have an experience of over 10 years working in various companies related to computer technical issue solving and Internet security. I have been working as an author and editor for pcrisk.com since 2010. Follow me on Twitter and LinkedIn to stay informed about the latest online security threats. Contact Tomas Meskauskas.

PCrisk security portal is brought by a company RCS LT. Joined forces of security researchers help educate computer users about the latest online security threats. More information about the company RCS LT.

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Software uninstall instructions
Malware activity

Global malware activity level today:

Medium threat activity

Increased attack rate of infections detected within the last 24 hours.

QR Code
Ads by Ultimate Files Downloader QR code
Scan this QR code to have an easy access removal guide of Ads by Ultimate Files Downloader on your mobile device.
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