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How to eliminate Put Darker browser hijacker and the redirects it causes

Also Known As: kmmx49.com redirect
Damage level: Medium

What is Put Darker?

Put Darker is a rogue browser extension endorsed as a tool that can enable dark mode on simple websites. Instead, our researchers found that this piece of software operates as a browser hijacker. Put Darker extension modifies browsers to promote the kmmx49.com fake search engine.

Put Darker browser hijacker asking data-related permissions

Put Darker browser hijacker overview

Following successful installation onto our test system, Put Darker changed specific browser settings. Hence, when new browser tabs/windows were opened, and search queries were typed into the URL bar - it resulted in redirects to the kmmx49.com website.

At the time of research, kmmx49.com was nonoperational. Our research into fraudulent search engines has led us to conclude that such Web searching tools usually cannot provide search results, and they redirect to Google, Yahoo, Bing, and other legitimate search engines.

Hence, kmmx49.com could redirect to a genuine one - depending on certain factors (e.g., users' geolocation, browser specifications, etc.). We have also observed sites like kmmx49.com providing inaccurate search results and promoting untrustworthy/malicious content.

Furthermore, Put Darker might use persistence-ensuring techniques to stop browser recovery - since they are typical for such software.

What is more, Put Darker requests access to browsing data. We have noted that most browser hijackers use data tracking abilities. They tend to monitor browsing activity and collect sensitive/personally-identifiable information, with the aim of misusing it for profit.

To summarize, the presence of software like Put Darker on browsers/systems can lead to serious privacy issues, financial losses, and even identity theft.

Threat Summary:
Name Put Darker
Threat Type Browser Hijacker, Redirect, Search Hijacker, Toolbar, Unwanted New Tab
Browser Extension(s) Put Darker
Supposed Functionality Dark mode tool for simple websites
Promoted URL kmmx49.com
Detection Names (kmmx49.com) N/A (VirusTotal)
Affected Browser Settings Homepage, new tab URL, default search engine
Symptoms Manipulated Internet browser settings (homepage, default Internet search engine, new tab settings). Users are forced to visit the hijacker's website and search the Internet using their search engines.
Distribution methods Deceptive pop-up ads, free software installers (bundling), fake Flash Player installers.
Damage Internet browser tracking (potential privacy issues), display of unwanted ads, redirects to dubious websites.
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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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.

Browser hijacker examples

We have analyzed many browser hijackers, and Easy-SearchPDFConverterSearchNowPure Dark, and Fantasy-Sports - are just some examples. They appear legitimate and offer "useful" features that seldom work as advertised, and in most cases - they do not work at all.

How did Put Darker install on my computer?

Our researchers obtained Put Darker from its "official" download webpage, which was pushed by deceptive browser notifications. However, this browser hijacker may have infiltrated your device differently.

The developers of this type of software use various questionable distribution methods. To elaborate, browser hijackers are spread via bundled software (undesirable supplements added to ordinary program installers), unofficial and freeware download sites, Peer-to-Peer sharing networks, online scams, fake updates, and stealthy installations by intrusive ads (triggered when clicked).

How to avoid installation of browser hijackers?

We strongly recommend researching software and only downloading it from official/verified sources. To avoid installing bundled/harmful content, it is important to read terms, explore available options, use the "Custom/Advanced" settings, and opt-out of all additions.

Additionally, it is crucial to exercise caution when browsing. Intrusive advertisements look innocuous yet redirect to unreliable and questionable websites (e.g., gambling, adult-dating, pornography, etc.).

We advise immediately checking your system if you experience rogue ads/redirects; all suspicious applications and browser extensions/plug-ins must be removed immediately upon detection. If your computer is already infected with Put Darker, we recommend running a scan with Combo Cleaner Antivirus for Windows to automatically eliminate this browser hijacker.

Website promoting Put Darker browser hijacker:

Website used to promote Put Darker browser hijacker

Appearance of the redirects to kmmx49.com caused by Put Darker browser hijacker (GIF):

Put Darker browser hijacker (kmmx49.com redirect) appearance (GIF)

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Quick menu:

Put Darker browser hijacker 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.

kmmx49.com browser hijacker uninstall via Control Panel

In the uninstall programs window: look for any recently installed suspicious applications (for example, "Put Darker"), select these entries and click "Uninstall" or "Remove".

After uninstalling the potentially unwanted applications (which cause browser redirects to the kmmx49.com website), scan your computer for any remaining unwanted components. To scan your computer, use recommended malware removal software.

Put Darker browser hijacker removal from Internet browsers:

Video showing how to remove browser redirects:

Google Chrome logoRemove malicious extensions from Google Chrome:

Removing kmmx49.com related Google Chrome extensions

Click the Chrome menu icon Google Chrome menu icon (at the top right corner of Google Chrome), select "More tools" and click "Extensions". Locate "Put Darker" and other recently-installed suspicious browser add-ons, and remove them.

Change your homepage:

Removing kmmx49.com from Google Chrome homepage

Click the Chrome menu icon Google Chrome menu icon (at the top right corner of Google Chrome), select "Settings". In the "On startup" section, disable "Put Darker", look for a browser hijacker URL (hxxp://www.kmmx49.com) below the “Open a specific or set of pages” option. If present click on the three vertical dots icon and select “Remove”.

Change your default search engine:

Removing kmmx49.com from Google Chrome default search engine

To change your default search engine in Google Chrome: Click the Chrome menu icon Google Chrome menu icon (at the top right corner of Google Chrome), select "Settings", in the "Search engine" section, click "Manage search engines...", in the opened list look for "kmmx49.com", when located click the three vertical dots near this URL and select "Remove from list".

Optional method:

If you continue to have problems with removal of the kmmx49.com redirect, 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 kmmx49.com related Mozilla Firefox extensions

Click the Firefox menu firefox menu icon (at the top right corner of the main window), select "Add-ons". Click on "Extensions" and remove "Put Darker", as well as all other recently installed browser plug-ins.

Change your homepage:

Removing kmmx49.com from Mozilla Firefox homepage

To reset your homepage, click the Firefox menu firefox menu icon (at the top right corner of the main window), then select "Options", in the opened window disable "Put Darker", remove hxxp://kmmx49.com and enter your preferred domain, which will open each time you start Mozilla Firefox.

Change your default search engine:

Removing kmmx49.com from Mozilla Firefox default search engine

In the URL address bar, type about:config and press Enter.
Click "I'll be careful, I promise!".
In the search filter at the top, type: "extensionControlled"
Set both results to "false" by either double-clicking each entry or clicking the Mozilla Firefox switch about:config entry button button.

Optional method:

Computer users who have problems with kmmx49.com redirect 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 browser hijackers from safari step 1 - accessing preferences

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

removing browser hijacker from safari step 2 - removing extensions

In the preferences window select the Extensions tab. Look for any recently installed suspicious extensions and uninstall them.

Removing browser hijackers from safari step 3 - changing homepage

In the preferences window select General tab and make sure that your homepage is set to a preferred URL, if its altered by a browser hijacker - change it.

removing browser hijackers from safari step 4 - changing the default Internet search engine

In the preferences window select Search tab and make sure that your preferred Internet search engine is selected.

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 browser hijackers from Microsoft Edge step 1

Click the Edge menu icon Microsoft Edge (chromium) menu icon (at the top right corner of Microsoft Edge), select "Extensions". Locate any recently-installed suspicious browser add-ons, and remove them.

Change your homepage and new tab settings:

Removing browser hijackers from Microsoft Edge step 2

Click the Edge menu icon Microsoft Edge (chromium) menu icon (at the top right corner of Microsoft Edge), select "Settings". In the "On startup" section look for the name of the browser hijacker and click "Disable".

Change your default Internet search engine:

Removing browser hijackers from Microsoft Edge step 3

To change your default search engine in Microsoft Edge: Click the Edge menu icon Microsoft Edge (chromium) menu icon (at the top right corner of Microsoft Edge), select "Privacy and services", scroll to bottom of the page and select "Address bar". In the "Search engines used in address bar" section look for the name of the unwanted Internet search engine, when located click the "Disable" button near it. Alternatively you can click on "Manage search engines", in the opened menu look for unwanted Internet search engine. Click on the puzzle icon Microsoft Edge (Chromium) puzzle icon near it and select "Disable".

Optional method:

If you continue to have problems with removal of the kmmx49.com redirect, 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 browser hijackers while downloading free software sampleA browser hijacker is a type of adware infection that modifies Internet browser settings by assigning the homepage and default Internet search engine settings to some other (unwanted) website URL. Commonly, this type of adware infiltrates operating systems through free software downloads. If your download is managed by a download client, ensure that you decline offers to install advertised toolbars or applications that seek to change your homepage and default Internet search engine settings.

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Frequently Asked Questions (FAQ)

What is the purpose of forcing users to visit kmmx49.com website?

Redirects to kmmx49.com and other similar sites generate revenue to cyber criminals (i.e., the developers of browser hijackers/ fake search engines).

Is visiting kmmx49.com a threat to my privacy?

To a certain extent, yes. Websites like kmmx49.com usually gather data about their visitors, thereby making them a threat to user privacy.

How did a browser hijacker infiltrate my computer?

Browser hijackers are spread through misleading promotional webpages, unofficial and freeware download sites, deceptive browser notifications/ intrusive ads, Peer-to-Peer sharing networks, online scams, fake updates, and so forth.

Will Combo Cleaner help me remove Put Darker browser hijacker?

Yes, Combo Cleaner can scan devices and eliminate installed browser-hijacking applications. It has to be mentioned that manual removal may be ineffective with multiple browser hijackers infiltrated into the system. In some instances, when one is (manually) eliminated - the other can re-install it. Furthermore, hijacker software may restrict access to removal-related settings or undo user-made changes. Therefore, it is crucial to remove browser hijackers thoroughly and all at once.

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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.

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