Search.assist.ly virus: what it is and how to remove it
In case your default search engine and browser have suddenly switched to some new, unknown site, be careful and refrain from using this site because you might be infected with the Search.assist.ly virus. This infection can grow more dangerous over time, but if you delete it soon after the infection, you should not face any serious consequences.
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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Search.assist.ly virus: summary
| Detection names | No Microsoft detection name is known |
|---|---|
| Distribution | Not recorded in the old report |
| Damage | Not recorded in the old report |
| Name | Search.assist.ly virus |
| Type | Fake search engine |
| Symptoms | An unknown program in Installed apps |
| 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 4 more facts
| Evidence | One write-up by a security site; details still limited |
|---|---|
| Program | Search.assist.ly virus |
| First seen | 9 August 2016 |
| Facts checked | 7 October 2026 |
Is Search.assist.ly virus dangerous? What it collects
From our report of Aug 2016 · not reviewed since
Reasons not to trust Search.assist.ly
In case your default search engine and browser have suddenly switched to some new, unknown site, be careful and refrain from using this site because you might be infected with the Search.assist.ly virus. This infection can grow more dangerous over time, but if you delete it soon after the infection, you should not face any serious consequences.
However, to do that, you have to know a bit more about how the viruses manifest themselves on the infected computers. You will find manual virus elimination instructions just below this article. Although if you feel that manual Search.assist.ly removal will not be enough to clean your system from malware you can always use automatic scanners, such as to make sure your computer is completely virus-free.
Search.assist.ly malware belongs to browser hijackers - a category of cyber infections that are designed to take over Internet browsers in order to promote affiliate websites and generate advertising revenue. Though the majority of users find such advertising unacceptable, the virus creators do not care much for that and take measures to prevent users from uninstalling this program from their computers.
Additional browser extensions, add-ons, and other programs may be installed on the infected system to help the virus maintain the predetermined Search Shield search engine in the position as your default search provider and homepage. Thought this website is introduced as "The search engine that respects your privacy," the activities it involves in suggest quite the opposite.
It has been pointed out that besides from providing suspicious, add-filled search results, Search.assist.ly redirect users to random sites as well. While some of these sites may be harmless and legitimate, others can be dangerous and try to convince you into obtaining obscure software, fake software updates, etc. It's the nature of browser hijackers, and you should not expect to receive a reliable search service from them.
Besides, this application also violates its promise to respect its users' privacy by collecting data about your browsing habits. Though some may claim that search queries and browsing history are non-personally identifiable pieces of information, it is still a form of spying which should not be tolerated. If you have not yet banished this virus from your computer, we suggest you to remove Search.assist.ly without a further delay.

From our report of Aug 2016 · not reviewed since
How could this site appear on my browser without my permission?
If you are thinking that you have nothing to do with this new Search Shield search engine appearing on your homepage and this virus has somehow managed to take over your computer by itself, you are quite wrong. Search.assist.ly cannot infiltrate computers without receiving overt or covert permission from the user.
In the first type of infiltration, the user may set this suspicious website him/herself, believing all the false advertising to be true. The covert infiltration, on the other hand, happens when the virus creators sneak the potentially unwanted program on the computer along with other programs.
The users unknowingly agree with Search.assist.ly installation when installing other freeware on his/her PC. This way, the virus can start operating on the computer without being detected. Though if you choose "Advanced" or "Custom" installation modes for the new software installation, you will be able to monitor the incoming programs and keep the undesirable ones away.
How to remove Search.assist.ly virus
How to stop Search.assist.ly virus from opening
The search page is only the end point.
These steps remove what sends the browser there, then put the search engine back.
Step 1: Put the search engine back
Search.assist.ly virus replaces the browser's default search engine, so searches pass through its own page first. Chrome: Settings > Search engine > Manage search engines and site search, then Make default on Google, Bing or another engine you chose, and Delete on the entries you never added.
Edge has the same list under Manage search engines (search the Settings page for it), and Firefox under Settings > Search.
Look at On startup and the homepage settings too and remove any address you did not set. Nothing in this step differs between Windows 11 and Windows 10.

Chrome on Windows 11: check Search engine and On startup. Full procedure with screenshots: Reset a browser and fix a hijacked search engine
Step 2: Remove extensions you did not add
Search.assist.ly virus often works through an extension, so go through the extension list of each browser:
chrome://extensionsedge://extensions- Extensions and themes in Firefox
Switch suspicious extensions off one at a time and reload the page where the problem shows, then remove the one that stops it, and any other you did not add.
Remember the other browsers and profiles on the PC. If Remove is missing or greyed out, a policy forces the extension, which the policy step deals with. Windows 11 and Windows 10 show the same pages.

Chrome on Windows 11: More > Extensions > Manage extensions. Full procedure with screenshots: Remove a browser extension
Step 3: Uninstall Search.assist.ly virus
Open Settings > Apps > Installed apps in Windows 11, or Settings > Apps > Apps & features in Windows 10. Sort the list by install date and find Search.assist.ly virus, then choose Uninstall from the three-dot menu next to it (in Windows 10, click the entry and then Uninstall).
Remove anything else installed on the same day that you do not recognise, because such programs usually arrive together in one installer. If the uninstaller opens a browser page with an offer or a survey, close it: the program is removed either way.
Full procedure with screenshots: Uninstall a program or app in Windows On uGetFix
Step 4: Reset the browser
Finish the browser part with a reset, which puts the search engine, start page, new tab page and site permissions back to their defaults and switches extensions off. Chrome: Settings > Reset settings > Restore settings to their original defaults.
Edge: Settings > Reset settings. Firefox: Help > More troubleshooting information > Refresh Firefox, which also removes its extensions. Your bookmarks and saved passwords are kept, and the menus are the same on Windows 11 and Windows 10.

Chrome on Windows 11: Settings > Reset settings. Full procedure with screenshots: Reset a browser and fix a hijacked search engine
Step 5: Scan the PC, then run the offline scan
Open Windows Security > Virus & threat protection > Scan options, run a Full scan and remove everything it finds. Then select Microsoft Defender Antivirus (offline scan) and click Scan now: the PC restarts and scans before Windows loads, which finds files that hide while Windows runs.
Save your work first, because the offline scan takes about 15 minutes. Both scans are built into Windows 11 and Windows 10, and a second scanner from another vendor is a useful extra opinion.

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.
Uninstall from Windows
Uninstall from Windows 10/8:
- Type Control Panel into the Windows search box and open the result.
- Under Programs, select Uninstall a program.

Uninstall from Windows 7/XP:
- Click on Windows Start > Control Panel (Windows XP users should click on Add/Remove Programs).
- In Control Panel, select Programs > Uninstall a program.

Remove the unwanted program:
- In the Programs and Features window, look for any recently installed suspicious entries, select them, and click Uninstall.
- If User Account Control appears, click Yes to confirm, then complete the removal.

Remove from Google Chrome
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 Microsoft Edge
Delete unwanted extensions from MS Edge:
- Select Menu (three horizontal dots at the top-right of the browser window) and pick Extensions.
- From the list, pick the extension and click on the Gear icon.
- Click Remove.

Clear cookies and other browser data:
- Click on the Menu (three horizontal dots at the top-right of the browser window) and select Settings > Privacy, search, and services..
- Under Clear browsing data, pick Choose what to clear.
- Select Cookies and other site data and Cached images and files. (apart from passwords, although you might want to include Media licenses as well, if applicable) and click on Clear.

Restore new tab and homepage settings:
- Click the menu icon and choose Settings.
- Then find On startup section.
- Click Remove next to any suspicious startup page.
Reset MS Edge if the above steps did not work:
- Press on Ctrl + Shift + Esc to open Task Manager.
- Click on More details arrow at the bottom of the window.
- Select Details tab.
- Now scroll down and locate every entry with Microsoft Edge name in it. Right-click on each of them and select End Task to stop MS Edge from running.

Delete extensions from MS Edge (Chromium):
- Open Edge and click select Settings > Extensions.
- Delete unwanted extensions by clicking Remove.

Clear cache and site data:
- Click on Menu and go to Settings.
- Select Privacy, search and services.
- Under Clear browsing data, pick Choose what to clear.
- Under Time range, pick All time.
- Select Clear now.

Reset Chromium-based MS Edge:
- Click on Menu and select Settings.
- On the left side, pick Reset settings.
- Select Restore settings to their default values.
- Confirm with Reset.
- This will disable extensions and reset startup pages but will not delete bookmarks, saved passwords, or browsing history.

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
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.
Do not let government spy on you
The government has many issues in regards to tracking users' data and spying on citizens, so you should take this into consideration and learn more about shady information gathering practices.
Avoid any unwanted government tracking or spying by going totally anonymous on the internet.
You can choose a different location when you go online and access any material you want without particular content restrictions. You can easily enjoy internet connection without any risks of being hacked by using VPN.
Control the information that can be accessed by government any other unwanted party and surf online without being spied on. Even if you are not involved in illegal activities or trust your selection of services, platforms, be suspicious for your own security and take precautionary measures by using the VPN service.
Backup files for the later use, in case of the malware attack
Computer users can suffer from data losses due to cyber infections or their own faulty doings.
Ransomware can encrypt and hold files hostage, while unforeseen power cuts might cause a loss of important documents. If you have proper up-to-date backups, you can easily recover after such an incident and get back to work. It is also equally important to update backups on a regular basis so that the newest information remains intact - you can set this process to be performed automatically.
When you have the previous version of every important document or project you can avoid frustration and breakdowns. It comes in handy when malware strikes out of nowhere. Use for the data restoration process.
From our report of Aug 2016 · not reviewed since
What is the best Search.assist.ly removal approach?
In order to reset your browser's settings and continue to use your computer as you did before, you should remove Search.assist.ly virus from your PC as soon as possible.
If you are sure that this virus a single potentially unwanted program on your computer, you can try eliminating it manually. The instructions for this elimination technique are provided below. Though there is a high chance that other malware may have entered your computer the same way Search.assist.ly did.
Questions about Search.assist.ly virus
Is Search.assist.ly virus a virus?
Most programs that appear the way Search.assist.ly virus did are not viruses in the strict sense. They are potentially unwanted programs:
- real software that arrives bundled with other downloads and then shows offers
- changes browser settings
- starts with Windows
Some are harmless, some are annoying and a few carry adware. What makes it worth removing is that you did not choose it.
Uninstall it from Installed apps and check the startup list and the browsers for anything added the same day. If it refuses to uninstall or returns after a restart, treat it as more serious and run a Microsoft Defender offline scan.
How do I stop programs like Search.assist.ly virus from being installed again?
Most unwanted programs arrive through installers, so the fix is in how you install software. Download programs from their official sites or the Microsoft Store, not from download portals or ads above search results. During setup, choose Custom or Advanced installation and untick every extra offer, including browsers, toolbars and optimizers.
Decline update prompts that appear inside other programs unless you know them. In Windows Security, turn on reputation-based protection and potentially unwanted app blocking. These steps would most likely have stopped Search.assist.ly virus before it reached the app list.
I changed the search engine, but it switched back. Why?
The hijacker is still installed, and it rewrites the setting whenever the browser starts or the extension updates. Changing the setting is the last step, not the first. Find what controls it: the search settings page usually names the extension, and a greyed-out field means a policy.
Remove that source, restart the browser, then pick your search engine and delete the hijacker's entry from the list of saved search engines so it cannot be chosen by accident. Check again after a day, when extensions have had a chance to update.
Will resetting the browser remove Search.assist.ly virus?
A reset disables extensions, restores the default search engine, start page and new tab, and clears temporary data and cookies. It keeps bookmarks, history and saved passwords. For many hijackers that is enough.
It does not remove a program installed in Windows, policies in the registry, changes to the hosts file or DNS, or edited shortcuts, so Search.assist.ly virus can come back after a reset if one of those remains. Do the reset after removing the program and policies, not instead of it.
Should I just switch to another browser?
It may not help. Installers that add hijackers usually target every browser on the PC, and system-level changes such as the hosts file, DNS or proxy affect all browsers at once. A new browser also leaves the hijacker's program and extension in place, collecting data in the old one.
Remove Search.assist.ly virus properly first. After that, use whichever browser you prefer; Chrome, Edge and Firefox all let you set and protect your own search engine. Import your bookmarks only after the old browser is clean.
What is Search.assist.ly?
In case your default search engine and browser have suddenly switched to some new, unknown site, be careful and refrain from using this site because you might be infected with the Search.assist.ly virus. This infection can grow more dangerous over time, but if you delete it soon after the infection, you should not face any serious consequences.
The summary table at the top of this guide lists the type, the detection names, the symptoms and the damage of Search.assist.ly. Reading it first helps you decide whether your computer shows the same signs.
How did Search.assist.ly get on my computer?
The users unknowingly agree with Search.assist.ly installation when installing other freeware on his/her PC. Software of this kind often comes bundled with free programs, fake updates or downloads from unofficial sites.
It can also arrive through a browser extension or a notification you allowed on a spam page. Think back to what you installed or allowed just before the first ad or redirect appeared.
Will my antivirus detect Search.assist.ly?
Not always, because our check found no Microsoft Defender detection name for it. Our check found no Microsoft Defender detection name for it, so a scan may not name it. Update the security program first, then run a full scan instead of a quick one.
Also scan with a second on-demand scanner, because one program can miss what another finds. A clean scan does not prove the signs are gone, so check the browser extensions and installed programs by hand too.
Will Fortect remove Search.assist.ly virus?
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 Search.assist.ly virus, 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
- FTC: How to recognize, remove and avoid malware (read October 7, 2026)
- Microsoft Learn: Microsoft Defender Offline (read October 7, 2026)
- Microsoft Learn: How Microsoft names malware (read October 7, 2026)