Lkysearchex ads: what it is and how to remove it
Lkysearchex is an adware-type infection that might be present on Mac users' computers, although in some cases, the threat can reside within Safari, Google Chrome, Mozilla Firefox, or another browser. This is because the adware can get installed on the targeted system as a browser extension or as a standalone application.
Facts checked October 7, 2026. Removal steps tested on Windows 11 (26H2) and checked against Microsoft's and the browser makers' current documentation. Sections marked as our earlier report are the original text: they describe the threat as it was then and have not been reviewed since. The 2026 status, the removal steps and the questions are current.
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Lkysearchex ads: summary
| Name | Lkysearchex |
|---|---|
| Type | Mac virus, adware, potentially unwanted application |
| Targeted OS | macOS |
| Infection means | Potentially unwanted applications get installed after users install programs from unapproved stores (third-party sources) or when they get tricked by fake ads or fake updates |
| Symptoms | Redirects to unknown websites that ask to download suspicious software or claim virus infections, intrusive pop-up, and another type of ads on all visited websites, sponsored links at the top of search results, etc. |
| Dangers | Personal data disclosure to unknown parties, money loss, installation of other PUPs or malware |
| Removal | Scan the PC with security software to find and remove the malware and anything installed with it. Fortect scans Windows for malware and repairs the system files and settings it damaged. Remove it nowTo use the full-featured product, you have to purchase a license for Fortect. The scan is free. |
Show 8 more facts
| Termination | Get rid of potentially unwanted applications as per our instructions below or scan the machine with anti-virus software |
|---|---|
| Detection names | No Microsoft detection name is known |
| Distribution | Not recorded in the old report |
| Damage | Not recorded in the old report |
| Evidence | 4 write-ups by security sites; details still limited |
| Program | Lkysearchex |
| First seen | 17 December 2019 |
| Facts checked | 7 October 2026 |
Is Lkysearchex ads dangerous?
From our report of Dec 2019 · not reviewed since
Lkysearchex is a redirect virus that may inject unwanted ads and fake search results into your web browsing routine
Lkysearchex is an adware-type infection that might be present on Mac users' computers, although in some cases, the threat can reside within Safari, Google Chrome, Mozilla Firefox, or another browser.
This is because the adware can get installed on the targeted system as a browser extension or as a standalone application. In most cases, these programs arrive at the system without users' permission, as they are often bundled with other software that is distributed on third-party websites.
Once installed, the Lkysearchex virus changes the settings of the web browser, and might also drop several files onto macOS without warning. In worse cases, the extension might also grant itself elevated permissions and be able to read personal details on all websites (such as banking or online payment checkouts).
There is no need for Lkysearchex to have such permissions, so the prescience of this Mac malware might result in money loss or sensitive data exposure to cybercriminals. Besides, Lkysearchex can also show intrusive pop-ups, pop-unders, in-text links, auto-play, and other forms of advertisements, and redirect users to insecure websites.
Lkysearchex removal might depend on many different factors, although the easiest way to terminate the potentially unwanted program that causes browser redirects is by scanning the machine with reputable anti-malware. In other cases, getting rid of the threat can be as easy as removing the unwanted extension from the browser.
It is possible that Lkysearchex will redirect you to websites that claim fake virus infections - one of the best scam examples which adware-infected users encounter is "Your system is infected with 3 viruses." Visitors are informed that allegedly the macOS is infected with various malware and that they might lose sensitive information unless they download and install a remedy application.
Typically, shady apps are promoted in such a way, including Advanced Mac Cleaner, Mac Tonic, Smart Mac Booster, and countless of others. These apps are absolutely useless for macOS, as they do not fix any problems but rather show fake scan results to make users buy licensed versions.
In fact, some of these scareware apps were involved in malicious campaigns like Shlayer Trojan (if you need an app that can clean and speed up your Mac, use instead).
Therefore, Lkysearchex redirects and ads might indicate a much bigger problem than initially thought. For the best results, you should also reset all the installed browsers.
From our report of Dec 2019 · not reviewed since
More from our earlier report on Lkysearchex
- If your Mac is slow and laggy, you should check out optimization software like
How Lkysearchex ads got into your browser
From our report of Dec 2019 · not reviewed since
In general, there should be no need to download applications from third-parties, as official sources have many apps to choose from.
For example, the App Store hosts almost two millions application that you could choose from. Besides, there are other options available, such as Amazon Appstore. In other words, as long as the source is legitimate and approved by Apple, downloading apps should be safe. Nevertheless, be aware that even legitimate stores sometimes get tricked by clever cybercriminals, as they insert malicious apps that bypass initial security checks.
If you still decide to go for third-party sites, you should acknowledge the risks, as software bundles are often hosted in unofficial sources. First of all, you should equip your machine with reputable anti-malware, as it could stop many threats before they can even enter.
Secondly, you should always take a close look at the installation process, as this is when most are tricked. Always opt for Advanced/Custom installation settings and watch out for pre-ticked boxes, fine print text, deceptive offers, etc.
Additionally, never download anything from websites that claim virus infections or indicate that your personal information is in danger - it is merely a scam that seeks your money and nothing else. Also, fake Flash and Java updates are often used to install potentially unwanted applications, as well as malware on users' computers, so always download updates from official sources only.
How to remove Lkysearchex ads
How to remove the Lkysearchex extension
Do the browser steps in every browser and profile on the PC, then check Windows for the program that installed the extension.
Step 1: Remove extensions you did not add
In Chrome open
chrome://extensions, in Edgeedge://extensions, and in Firefox the menu > Extensions and themes.Remove every extension you do not remember adding, especially search, new tab, coupon, PDF, weather or video downloader add-ons. Check every browser and every profile, because each keeps its own list.
If an extension has no Remove button or comes back, a browser policy holds it (see "Managed by your organization" in the procedure below). The pages are the same on Windows 11 and Windows 10.
Chrome on Windows 11: More > Extensions > Manage extensions. Full procedure with screenshots: Remove a browser extension
Step 2: Uninstall Lkysearchex
Lkysearchex is removed like any other program, from the list of installed apps. In Windows 11 that is Settings > Apps > Installed apps, in Windows 10 Settings > Apps > Apps & features, and in both you can also use Control Panel > Programs and Features.
Select Lkysearchex, click Uninstall and follow the uninstaller to the end. Then look at the entries just above and below it when the list is sorted by date: bundled programs install at the same minute.
Full procedure with screenshots: Uninstall a program or app in Windows On uGetFix
Step 3: Reset the browser
A reset removes what the steps above could miss:
- changed start pages
- site permissions
- hidden settings
In Chrome open Settings > Reset settings > Restore settings to their original defaults; in Edge Settings > Reset settings; in Firefox Help > More troubleshooting information > Refresh Firefox.
Tip: Bookmarks and saved passwords stay, while extensions are turned off and the search engine and start page return to the defaults.
Reset every browser on the PC, including Edge, which Windows 11 and Windows 10 always have.
Chrome on Windows 11: Settings > Reset settings. Full procedure with screenshots: Reset a browser and fix a hijacked search engine
Step 4: Scan the PC, then run the offline scan
A scan finds the parts of Lkysearchex that the manual steps cannot see. In Windows Security > Virus & threat protection > Scan options, start a Full scan and quarantine what it reports.
Follow it with Microsoft Defender Antivirus (offline scan) > Scan now, which restarts the PC and checks the disk while Windows and the malware are not running.
It takes about 15 minutes and works the same in Windows 11 and Windows 10. If either scan finds something, run the full scan again after removal until it comes back clean.
Windows 11: Windows Security > Virus & threat protection > Scan options. Full procedure with screenshots: Run a Microsoft Defender Offline scan
Instructions for each browser and system
The detailed steps for every browser and system this guide covers. Open the one you use.
Remove from Google Chrome
You should reset Google Chrome as explained below to get rid of unwanted browser extensions:
Delete malicious extensions from Google Chrome:
- Open Google Chrome, click on the Menu (three vertical dots at the top-right corner) and select More tools > Extensions.
- In the newly opened window, you will see all the installed extensions. Uninstall all suspicious extensions related to the unwanted program by clicking Remove.
Clear cache and web data from Chrome:
- Click on Menu and pick Settings.
- Under Privacy and security, select Clear browsing data.
- Select Browsing history, Cookies and other site data, as well as Cached images and files.
- Click Clear data.
Change your homepage:
- Click menu and choose Settings.
- Look for a suspicious site in the On startup section.
- Click on Open a specific or set of pages and click on three dots to find the Remove option.
Reset Google Chrome:
If the previous methods did not help you, reset Google Chrome to eliminate all the unwanted components:
- Click on Menu and select Settings.
- In the Settings, scroll down and click Advanced.
- Scroll down and locate Reset and clean up section.
- Now click Restore settings to their original defaults.
- Confirm with Reset settings.
Remove from Mozilla Firefox (FF)
Remove dangerous extensions:
- Open Mozilla Firefox browser and click on the Menu (three horizontal lines at the top-right of the window).
- Select Add-ons.
- In here, select the unwanted extension and click Remove.
Reset the homepage:
- Click three horizontal lines at the top right corner to open the menu.
- Choose Settings.
- Under Home, set your preferred homepage and new tab settings.
Clear cookies and site data:
- Click Menu and pick Settings.
- Go to Privacy & Security section.
- Scroll down to locate Cookies and Site Data.
- Click on Clear Data...
- Select Cookies and Site Data and Temporary cached files and pages, then click Clear.
Reset Mozilla Firefox
If clearing the browser as explained above did not help, reset Mozilla Firefox:
- Open Mozilla Firefox browser and click the Menu.
- Go to Help and then choose Troubleshooting Information.
- Under Give Firefox a tune up section, click on Refresh Firefox...
- Once the pop-up shows up, confirm the action by pressing on Refresh Firefox.
Delete from Safari
Remove dangerous extensions:
- Open Safari, click Safari in the menu at the top-left of the screen, and select Preferences.
- Go to the Extensions tab, look for any suspicious entries, and click Uninstall to remove them.
Clear history and website data:
- Click Safari in the menu and pick Clear History.
- Set Clear to all history and confirm with Clear History.
Reset Safari:
- Click Safari in the menu and select Preferences > Advanced.
- Enable Show Develop menu in menu bar.
- From the menu bar, click Develop and select Empty Caches.
Delete from macOS
To remove Lkysearchex redirects and other unwanted activities, locate the PUP and move it to Trash:
Remove the unwanted application:
- From the menu bar, select Go > Applications.
- In the Applications folder, look for any suspicious entries, then drag them to Trash (or right-click and pick Move to Trash).
Delete leftover files and folders:
- Select Go > Go to Folder.
- Enter /Library/Application Support and remove any suspicious folders related to the unwanted program.
- Repeat the same check in the /Library/LaunchAgents and /Library/LaunchDaemons folders, deleting any suspicious entries.
- Finally, empty the Trash to permanently remove the leftovers.
Stream videos without limitations, no matter where you are
There are multiple parties that could find out almost anything about you by checking your online activity.
While this is highly unlikely, advertisers and tech companies are constantly tracking you online. The first step to privacy should be a secure browser that focuses on tracker reduction to a minimum.
Even if you employ a secure browser, you will not be able to access websites that are restricted due to local government laws or other reasons. In other words, you may not be able to stream Disney+ or US-based Netflix in some countries. To bypass these restrictions, you can employ a powerful VPN, which provides dedicated servers for torrenting and streaming, not slowing you down in the process.
Data backups are important - recover your lost files
Ransomware is one of the biggest threats to personal data.
Once it is executed on a machine, it launches a sophisticated encryption algorithm that locks all your files, although it does not destroy them. The most common misconception is that anti-malware software can return files to their previous states. This is not true, however, and data remains locked after the malicious payload is deleted.
While regular data backups are the only secure method to recover your files after a ransomware attack, tools such as can also be effective and restore at least some of your lost data.
From our report of Dec 2019 · not reviewed since
Get rid of Lkysearchex virus on your Mac
As previously mentioned, you can remove Lkysearchex virus in two different ways: manual and automatic.
Both can work just as well as each other, although it highly depends on many factors. For example, if an extension causes the intrusive browser behavior, you should be able to get rid of it via the browser in just a few clicks. However, some extensions might prevent Lkysearchex removal in the first place - the same goes for standalone apps.
For example, Lkysearchex might have inserted a new Profile which would be launched with every computer boot-up. Additionally, suspicious entries can be placed in the following folders:
Thus, if you opt for manual Lkysearchex virus uninstallation, you should check these folders and delete files related to it. If you are unsure about your actions, rather install a reputable anti-malware that specializes in PUP removal, and perform a full system scan. Finally, resetting all the installed browsers would also get rid of the malicious app if it is the extension that is causing unwanted activities on your device.
- ~/Library/LaunchAgents;
- ~/Library/Application Support;
- ~/Library/LaunchDaemons
Questions about Lkysearchex ads
What is Lkysearchex and why is it on my PC?
Lkysearchex is a program that was installed on the PC, most likely together with something else you downloaded. Free software sites and many installers add extra programs on setup pages with pre-ticked boxes, so the extra install looks like your choice even though nobody read the page.
Check the install date in Settings, Apps, Installed apps: the program you installed that day is the probable carrier. If you do not need Lkysearchex, uninstall it. If it belongs to your hardware or to a program you use, search its exact name and publisher first, because drivers and their tools can have unfamiliar names.
Lkysearchex will not uninstall. What can I do?
First restart the PC and try again, because the program may have been running and locked its own files. If the uninstaller is missing or fails, start Windows in Safe Mode, where most third-party programs do not start, and remove Lkysearchex from Installed apps there.
If it still refuses, delete its startup entry and its scheduled task, restart, and try once more. A program that actively prevents removal is behaving like malware, so finish with a Microsoft Defender offline scan. Avoid third-party uninstallers offered on search ads; several of them are unwanted programs themselves.
Can adware slow down my PC?
Yes. Adware runs in the background, loads ad scripts, opens extra tabs and contacts its servers, all of which use processor time, memory and bandwidth. Ad-heavy extensions also slow down every page, because they inspect and change it before you see it.
The effect is strongest on older PCs and when several adware programs arrived together. After removal, restart the PC and check Task Manager for anything still using a lot of resources that you do not recognise. Speed usually returns to normal once the ads stop.
Does adware steal passwords?
Ordinary adware is built to show ads, not to steal logins, and most of it never touches saved passwords. The line is blurry, though. Extensions that can read every page could capture what you type, and adware ads sometimes lead to phishing pages that ask for passwords directly.
If you entered credentials on a page reached through an ad, change that password from a clean device and turn on two-step verification. Otherwise, removing adware extension and clearing cookies is usually enough.
I clicked on one of the ads. Am I infected?
Probably not. Clicking an ad usually only opens a page, and a page cannot install programs on an up-to-date Windows PC without your help.
You are at risk only if you then downloaded and ran a file, allowed notifications, entered card or login details, or called a phone number shown on the page. Delete any download and run a full and offline scan.
Change passwords you typed, from a clean device. Call your bank if you gave card details. If you called a number or allowed remote access, see the next question.
Why didn't my antivirus catch Lkysearchex?
Many security products do not block adware or notification sites by default, because users often agreed to them, even through a misleading prompt. Notification spam installs nothing at all, so there is no file to detect.
In Windows 11 you can make Microsoft Defender block potentially unwanted apps: open Windows Security > App & browser control > Reputation-based protection settings and turn on Potentially unwanted app blocking. If notifications caused the pop-ups, no scanner will report them; the fix is in the browser's site settings.
An ad showed a phone number and I called it. What now?
The number belongs to scammers, not to Microsoft or an antivirus company. If you only talked, hang up and do not call back. If you let them connect to the PC, disconnect it from the internet, uninstall the remote access program they used, such as AnyDesk, TeamViewer, ScreenConnect or UltraViewer, and run a full and offline scan.
If you paid or gave bank details, call your bank at once on the number printed on your card. Change any passwords you typed while they were connected, and report the call.
Is Lkysearchex a virus?
Not in the strict sense: Lkysearchex is unwanted software, classed here as an adware extension, not a self-copying virus. Security programs often label such software as adware, a potentially unwanted program or a browser hijacker.
It still needs removal, because it changes browser settings, shows ads and can lead you to unsafe pages. The larger risk is clicking an ad that leads to a fake update or scam page.
Will Fortect remove Lkysearchex?
Fortect scans Windows for malware and unwanted programs and repairs the system files and settings they change, and its free scan shows what it finds on your PC before you decide anything.
For Lkysearchex, follow the plan above as well: the browser steps take back permissions and settings that no scanner treats as a threat, and uninstalling the program that brought it removes the source.
Run Microsoft Defender's full scan and, if anything was found, its offline scan as a second opinion. If the symptoms are gone after the plan and both scans are clean, there is nothing more to do.
Sources
- Wikipedia: Scareware (read October 7, 2026)
- Statista: Number of apps available in leading app stores as of 3rd quarter 2019 (read October 7, 2026)
- ZDNet: These 17 iPhone apps have been removed from the Apple App Store for delivering malware (read October 7, 2026)
- Google Chrome Help: Use notifications to get alerts (no longer online) (read October 7, 2026)
- FTC: How to recognize, remove and avoid malware (read October 7, 2026)