BuscaID virus: what it is and how to remove it
BuscaID (can also be found as BuscaID.com) is a suspicious search engine, which has been added to browser hijacker and a potentially unwanted program category. When inside the system, it may try to take over each of your web browsers (Internet Explorer, Google Chrome, Mozilla Firefox and others) and then may start showing its commercial search results.
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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BuscaID 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 | BuscaID virus |
| Type | Search hijacker extension |
| Symptoms | A changed search engine |
| 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 5 more facts
| Evidence | One write-up by a security site; details still limited |
|---|---|
| Search page | buscaid.com |
| Browsers | Chrome, Edge and Firefox |
| First seen | 19 August 2015 |
| Facts checked | 7 October 2026 |
Is BuscaID virus dangerous? What it collects
From our report of Aug 2015 · not reviewed since
What is BuscaID?
BuscaID (can also be found as BuscaID.com) is a suspicious search engine, which has been added to browser hijacker and a potentially unwanted program category.
When inside the system, it may try to take over each of your web browsers (Internet Explorer, Google Chrome, Mozilla Firefox and others) and then may start showing its commercial search results.
This is done for a simple reason - BuscaID.com is a commercial search engine, which is used for promoting affiliate websites. However, there is no guarantee that each of these sites is harmless and trustworthy because its developers are not taking any responsibility for that.
Besides, for getting more information about your interests and increasing the possibility of making you to click on Buscaid ads, this program may start tracking your browsing habits and may collect your search terms, mostly visited websites, entered data, PC's IP address, its location and so on. Such information is considered as personally non-identifiable but it can be used for suspicious activities and may be revealed for unknown parties.
If you have already noticed redirects to BuscaID.com, annoying pop-up ads and similar unwanted activities on your computer, you should know that this program has been actively promoted with the help of bundling.
Right after infiltrating the target PC system, it starts its work with system's modifications by dropping its own extension to Internet browsers and changing the default settings of the browser. As a result, victim noticed buscaid.com to appear instead of his/hers homepage, the default search provider and one of bookmarks.
Please, do not ignore such system changes and browser's redirections to unknown websites because you may run into serious troubles, such as redirects to unknown websites and the loss of your personally non-identifiable inform. Besides, such search sites may also be used to track users' browsing activity on the Internet and then to show them altered search results that are filled with predetermined links.

From our report of Aug 2015 · not reviewed since
HOW CAN BuscaID.com hijack my computer?
Buscaid virus is usually distributed with a help of trojan horse, which hides inside insecure websites and attacks poorly protected systems.
Besides, freeware and shareware applications can also be included to the distribution of such viruses, so be aware about that and always unclick unfamiliar entries when downloading something. As soon as it gets inside, Buscaid virus alters computer's settings and starts showing its bogus search site instead of the typical ones, Google, Yahoo and Bing.
The main reason why scammers create such viruses is ability to reroute users to their domains and earn some easy money. However, no one can be sure that later they won't perform additional illegal activities for trying to steal your personal and financial data. Please, check your computer and remove Buscaid virus as soon as you notice annoying redirections on your computer.
Check your browser and PC
- Address:
buscaid.com
How to remove BuscaID virus
How to remove BuscaID virus and get your search engine back
Remove the extension first.
The search settings only stay fixed once nothing on the PC can change them again.
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: Put the search engine back and delete buscaid.com
In Chrome open Settings > Search engine > Manage search engines and site search, make an engine you trust the default, and delete
buscaid.comfrom the list.In Edge type
search engineinto the search box at the top of Settings and open Manage search engines; in Firefox use Settings > Search. Then check the homepage and the new tab page in the same settings, because hijackers change all three.If buscaid.com is back after a restart, an extension, a program or a policy still sets it, so finish the other steps and check again. The settings are the same on 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 3: Uninstall programs you did not mean to install
BuscaID virus rarely comes alone: it is usually installed by, or together with, a free program. In Windows 11 open Settings > Apps > Installed apps, in Windows 10 Settings > Apps > Apps & features, and sort by install date.
Uninstall every entry from the day the trouble began that you did not install on purpose, for example a download manager, a converter or a browser you never chose.
Keep drivers and entries from Microsoft, Intel, AMD, NVIDIA or your PC's maker unless you are sure.
Full procedure with screenshots: Uninstall a program or app in Windows On uGetFix
Step 4: 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 5: Scan the PC, then run the offline scan
A scan finds the parts of BuscaID virus 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.
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 2015 · not reviewed since
HOW TO REMOVE BuscaID hijacker?
If BuscaID.com redirects are bothering you, you should think about using this guide below and eliminating this hijacker from the system.
Questions about BuscaID virus
Is it safe to keep buscaid.com as my search engine?
It is not recommended. Searches through buscaid.com usually still return results, but the operator sees every query, often stores it with an identifier for your browser and shows extra ads or paid links. Some hijacked results lead to fake downloads or scam pages.
You also did not choose it, which means something changed your settings without asking and may still be installed. Set your own search engine back, remove the extension or program that set buscaid.com, and check the browser's other settings, such as the start page and notification permissions, for further changes made at the same time.
Is buscaid.com a virus?
It is a browser hijacker, not a virus in the classic sense. buscaid.com is a search page that an extension or program set as your default without a clear choice from you.
It does not destroy files or spread to other PCs, but it takes control of your searches, collects them and shows ads, and the software behind it is often bundled with other unwanted programs.
Many antivirus products flag such software as potentially unwanted. Removing the extension or program and resetting the search engine is enough in most cases. A full scan afterwards checks for anything else that came with it.
What is buscaid.com?
It is the search page used by the browser hijacker BuscaID virus. It has no search index of its own: it forwards your queries to another search engine and adds ads and tracking along the way.
People rarely choose it on purpose; it becomes the default search engine, home page or new tab after an extension, program or policy changes the browser settings. The page itself is not malware, but it should not be in your browser if you did not set it. The steps above remove the source and restore your settings.
Is buscaid.com dangerous?
It is not designed to infect the PC, but it is not neutral either. It logs searches, adds sponsored results that are hard to tell apart from real ones, and its ad partners are not checked as strictly as those of major search engines.
Some hijacker pages have shown ads for fake updates, tech support scams and unwanted software. The main harm is to privacy. Remove BuscaID virus, and if you entered personal data on sites reached through its results, check those sites carefully.
Do I have to fix every browser?
Yes, every one where the search engine or start page changed. In the cases we checked, BuscaID virus affected Chrome, Edge and Firefox.
Each browser stores its own search settings and extensions, so fixing one does not fix the others, and Windows-level changes such as shortcuts can affect each browser differently. Work through them one at a time:
- remove the extension
- check the policies
- restore the search engine
- start page
If you sync a browser, stay signed in so the fix spreads to your other computers.
Did buscaid.com record my searches?
Almost certainly. Logging is the point of a hijacker search page: each query, with your IP address, browser details and the result you clicked, is valuable to advertisers.
The operators of buscaid.com can store and share that data under their own privacy policy, which you never agreed to knowingly. There is no way to delete it from their side. What you can do is stop the flow:
- remove BuscaID virus
- clear cookies and site data for buscaid.com
- treat sensitive searches made in the meantime as known to a third party
What do I lose if I reset Chrome or Edge?
Less than you might think. A reset turns off all extensions, which you can turn back on one by one, restores the default search engine, home page, new tab and pinned tabs, and clears cookies, so you are signed out of most sites.
Bookmarks, history, saved passwords and autofill data stay. Firefox's equivalent, Refresh Firefox, keeps the same essentials but removes add-ons completely. Before you reset, make sure you know your main passwords or have them saved, since you will need to sign in again.
Is only one browser affected?
Often not. Programs that install hijackers tend to change every browser they find, and sync can carry the extension to other computers signed in to the same browser account. Check Chrome, Edge and Firefox, even the ones you rarely use, and look at the shortcut targets on the desktop and taskbar for each.
If you use sync, remove the extension while signed in so the removal syncs too. Also check the On startup setting and the new tab page, because hijackers change those as well as the search engine.
Why can't I change my search engine back?
Because something keeps setting it. If an extension controls the search engine, Chrome and Edge show a note that an extension is controlling this setting, and your change is reverted. If a policy controls it, the field is greyed out and the browser shows Managed by your organization.
Remove the extension first, then the policies, and only then change the search engine; the change will stay. If it still reverts, look for a program in Installed apps or a scheduled task that reinstalls the extension.
Will Fortect remove BuscaID 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 BuscaID 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)