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How to get rid of the Dosearch Lite browser hijacker?

Also Known As: Dosearch Lite redirect
Distribution: Low
Damage level: Medium

Dosearch Lite browser hijacker removal instructions

What is Dosearch Lite?

Dosearch Lite is the name of a browser that promotes the tailsearch.com address, a fake search engine. Typically, browser hijackers promote such addresses by making certain changes in browser's settings. It is known that Dosearch Lite gathers data related to user's browsing habits as well. Typically, users download and install browser hijackers unknowingly, therefore, apps like Dosearch Lite are called potentially unwanted applications (PUAs).

dosearch lite browser hijacker tailsearch.com redirects to google.com

As mentioned in the first paragraph, browser hijacker is a type of app that promotes the address of some fake search engine by modifying certain browser's settings. Typically, it does that by changing settings such as the address of a default search engine, homepage and/or new tab. It is known that Dosearch Lite does not always change those addresses to tailsearch.com. However, when it does not make any modifications, it detects when users enter search queries into URL bar and redirects them to tailsearch.com anyway. Depending on the geolocation of its visitors, tailsearch.com redirects them either to google.com or bing.com (via my-search.com and search-checker.com, a couple of other shady addresses). Simply said, tailsearch.com does not generate any unique results, it provides results generated either by Yahoo or Bing. It is worthwhile to mention that a hijacked browser can be stopped from causing redirects to a certain address only by uninstalling the app that has hijacked it. In this particular case tailsearch.com can be stopped from being opened by uninstalling Dosearch Lite or some other app that is designed promote this address. Another reason not to have any browser hijacker installed is because apps of this type tend to be designed to gather various information related to user's browsing activities and/or other details. For example, addresses of visited pages, entered search queries, geolocations, IP addresses, and other browsing data, and/or even sensitive information. Their developers can sell all collected data to third parties (potentially cyber criminals) who would misuse it to generate revenue. Users who have their browsers hijacked by apps like Fantasic Movies may become victims of identity theft, experience problems related to privacy, browsing safety, and/or other issues. Therefore, any installed software of this type should be uninstalled from a browser and/or computer as soon as possible.

Threat Summary:
Name Dosearch Lite
Threat Type Browser Hijacker, Redirect, Search Hijacker, Toolbar, Unwanted New Tab
Browser Extension(s) Dosearch Lite
Supposed Functionality Improved browsing experience
Promoted URL tailsearch.com
Serving IP Address (tailsearch.com) 104.27.146.124
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)

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There is a great number of browser hijackers on the Internet, some more examples are StreamSearchFinder, GoIncognitoSearch and VideoSearchNet. Typically, they are advertised as apps that supposed to improve browsing experience (include various features, generate accurate search results, etc.) and/or be useful in some other ways. Although, in most cases apps of this type are designed only to modify browser's settings and/or gather various information. In other words, they are useless to their users and can cause them various issues.

How did Dosearch Lite install on my computer?

More often than not PUAs are distributed by including them in download and/or installation setups of other programs. This distribution method is known as "bundling". It works when users download and/or install programs without declining offers to download and/or install PUAs that are included in their download and/or installation setups. In most cases can be declined via "Custom", "Advanced" or other settings, or by unticking certain checkboxes. Another way to unintentionally download and/or install PUAs is by clicking deceptive advertisements that are designed to run certain scripts.

How to avoid installation of potentially unwanted applications?

Typically, unwanted downloads and installations can be avoided by checking download and/or installation setups for settings like "Custom", "Advanced" (or certain checkboxes) and declining offers to download and/or install additionally included apps. Also, it can be achieved by downloading programs (and files) only from official, legitimate websites and via direct download links. Other sources like third party downloaders, Peer-to-Peer networks (for example, torrent clients, eMule), unofficial websites, etc., can be used to distribute unwanted apps (the same applies to third party installers). Additionally, unwanted downloads and/or installations can be avoided by not clicking advertisements that appear on unreliable, unofficial pages. It is common that those ads are designed either to open potentially malicious websites or cause unwanted downloads, installations. If there are any unwanted, suspicious extensions, plug-ins, and/or add-ons installed on a browser or programs, then they should be removed. Programs of this kind that are installed on a computer should be uninstalled too. If your computer is already infected with Dosearch Lite, we recommend running a scan with Combo Cleaner Antivirus for Windows to automatically eliminate this browser hijacker.

Tailsearch.com redirects to bing.com via my-search.com and search-checker.com (GIF):

tailsearch.com opens bing.com via my-search.com and search-checker.com

Websites promoting Dosearch Lite browser hijacker:

Website promoting Dosearch Lite browser hijacker (sample 1)

Website promoting Dosearch Lite browser hijacker (sample 2)

Notification saying that Dosearch Lite can read browsing history:

dosearch lite browser hijacker notification

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Quick menu:

Dosearch Lite browser hijacker removal:

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.

Windows XP users:

Accessing Add or Remove Programs in Windows XP

Click Start, choose Settings and click Control Panel. Locate and click Add or Remove Programs.

Windows 10 and Windows 8 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.

Mac 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.

tailsearch.com browser hijacker uninstall via Control Panel

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

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

Dosearch Lite browser hijacker removal from Internet browsers:

Video showing how to remove browser redirects:

Google Chrome logoRemove malicious extensions from Google Chrome:

Removing tailsearch.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 "Dosearch Lite" and other recently-installed suspicious browser add-ons, and remove them.

Change your homepage:

Removing tailsearch.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 "Dosearch Lite", look for a browser hijacker URL (hxxp://www.tailsearch.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 tailsearch.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 "tailsearch.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 dosearch lite 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 tailsearch.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 "Dosearch Lite", as well as all other recently installed browser plug-ins.

Change your homepage:

Removing tailsearch.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 "Dosearch Lite", remove hxxp://tailsearch.com and enter your preferred domain, which will open each time you start Mozilla Firefox.

Change your default search engine:

Removing tailsearch.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 dosearch lite 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 dosearch lite 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.

Internet Explorer logoRemove malicious add-ons from Internet Explorer:

Removing tailsearch.com related Internet Explorer extensions

Click the "gear" icon Internet Explorer options icon (at the top right corner of Internet Explorer), select "Manage Add-ons". Look for any recently installed suspicious extensions, select these entries and click "Remove".

Change your homepage:

Removing tailsearch.com from Internet Explorer homepage

Click the "gear" icon Internet Explorer options icon (at the top right corner of Internet Explorer), select "Internet Options", in the opened window remove hxxp://tailsearch.com and enter your preferred domain, which will open each time you launch Internet Explorer. You can also enter about: blank to open a blank page when you start Internet Explorer.

Change your default search engine:

Removing tailsearch.com from Internet Explorer default search engine

Click the "gear" icon Internet Explorer options icon (at the top right corner of Internet Explorer), select "Manage Add-ons". In the opened window, select "Search Providers", set "Google", "Bing", or any other preferred search engine as your default and then remove "Dosearch Lite".

Optional method:

If you continue to have problems with removal of the dosearch lite redirect, reset your Internet Explorer settings to default.

Windows XP users: Click Start, click Run, in the opened window type inetcpl.cpl In the opened window click the Advanced tab, then click Reset.

Resetting Internet Explorer settings to default on Windows XP

Windows Vista and Windows 7 users: Click the Windows logo, in the start search box type inetcpl.cpl and click enter. In the opened window click the Advanced tab, then click Reset.

Resetting Internet Explorer settings to default on Windows 7

Windows 8 users: Open Internet Explorer and click the gear icon. Select Internet Options.

Reseting Internet Explorer settings to default in Windows 8 - accessing

In the opened window, select the Advanced tab.

Resetting Internet Explorer settings to default on Windows 8 - Internet options advanced tab

Click the Reset button.

Resetting Internet Explorer settings to default on Windows 8 - click the Reset button in the Internet options advanced tab

Confirm that you wish to reset Internet Explorer settings to default by clicking the Reset button.

Resetting Internet Explorer settings to default on Windows 8 - confirm settings reset to default by clicking the reset button

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.

Removal assistance:
If you are experiencing problems while trying to remove dosearch lite redirect from your Internet browsers, please ask for assistance in our malware support forum.

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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.

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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
Dosearch Lite redirect QR code
A QR code (Quick Response Code) is a machine-readable code which stores URLs and other information. This code can be read using a camera on a smartphone or a tablet. Scan this QR code to have an easy access removal guide of Dosearch Lite redirect on your mobile device.
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