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Start4u virus. How to remove? (Uninstall guide)

removal by Julie Splinters - - | Type: Browser hijacker

What is there to know about Start4u virus?

Sometimes choosing a new search engine is not an easy task. While looking for one, you might come across Start4u virus. Interestingly, the domain name of this search engine is quite different – monsear.xyz. We discourage you from using this browsing tool because it is classified as a browser hijacker. The latter is capable of changing your homepage without your consent. In addition, while the PUP resides on the computer, more adware-type or other suspicious toolbars might be added to your browser. In any case, this search provider is surely not the best choice. Remove Start4u without delay. Reimage quickens the process.

If you do not have experience dealing with browser hijackers, you might not have the slightest idea that this particular PUP is of any danger. In comparison with other browser hijackers, this questionable tool is certainly less dangerous. It seems that it employs Google database for displaying search results. However, Start4u still fails to operate as a reliable browsing tool. Taking a look at the very list, you see that there are more ad-supported search results provided than usual. This peculiarity should not be overlooked.

Questions about Start4u virus

Secondly, soon enough you might encounter Start4u redirect. This issue becomes visible when you browse or click on the commercial offers. Nonetheless, there is a trick behind them. Note that the redirect websites, either they are shopping domains or poker web pages, might be used as a temporary shelter to disguise unwanted content – malware. Consequently, if you are redirected to a completely different website, cancel it, instead of leisurely reviewing it.

The screenshot of Start4u virus

Thirdly, there is no Privacy Policy provided. Thus, users are not acquainted with what information is collected. Almost all, legitimate and not-so-reliable, use small files – cookies to keep a record of visitor traffic. However, in the case of browser hijackers, quite a number of them share this information with third-parties. As a result of such bargain, your computer screen might be loaded with customized advertisements. Speaking of Start4u, it does not provide any information whether the same scenario does not happen while using this search engine. In addition, the confidentiality of personal information is not guaranteed as well.

The distribution techniques of the hijacker

Other than the question how to complete Start4u removal, the issue of how it got on your computer is of interest as well. Start4u prefers dispersing via “bundling” technique. The main principle of this strategy lies in pinning down browser hijackers or other PUPs to freeware. As a result of users’ inattentiveness, while performing the installation of a free program, PUPs successfully infiltrate their system. Your case is no exception as well. In order not to repeat the same mistake again, change the sequence of your actions. When you are about to install a new program, opt for “Custom” mode. Afterward, carefully go through each stage. When you are sure that no add-ons will get pass through into the device, start the installation wizard.

Start4u removal guidelines

Luckily, it is not difficult to put an end to this hijacker. You can do it with the help of anti-spyware software. Make sure you have the latest version of the program. It also serves as an invaluable guardian of the entire operating system. It is able not only to locate and remove Start4u, but more serious malware do not escape detection as well. Alternatively, there is another option to put an end to this hijacker – manual elimination. Carefully perform each step not to miss any detail. Next time you decide to renew your browsing experience by choosing a new search engine, pay attention to the name of email address, the content of the privacy policy and the overall quality of displayed search results.

You can remove virus damage automatically with a help of one of these programs: Reimage, Malwarebytes MalwarebytesCombo Cleaner, Plumbytes Anti-MalwareMalwarebytes Malwarebytes. We recommend these applications because they detect potentially unwanted programs and viruses with all their files and registry entries that are related to them.

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What to do if failed?
If you failed to remove virus damage using Reimage, submit a question to our support team and provide as much details as possible.
Reimage is recommended to remove virus damage. Free scanner allows you to check whether your PC is infected or not. If you need to remove malware, you have to purchase the licensed version of Reimage malware removal tool.
More information about this program can be found in Reimage review.

If you decided to select another anti-spyware, uninstall Reimage from your computer.
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Alternative Software
Different security software includes different virus database. If you didn’t succeed in finding malware with Reimage, try running alternative scan with Malwarebytes.
Alternative Software
Different security software includes different virus database. If you didn’t succeed in finding malware with Reimage, try running alternative scan with Combo Cleaner.

To remove Start4u virus, follow these steps:

WindowsMac OS XInternet ExplorerMicrosoft EdgeFirefoxGoogle ChromeSafari

Get rid of Start4u from Windows systems

  1. Click Start Control Panel Programs and Features (if you are Windows XP user, click on Add/Remove Programs).Click 'Start -> Control Panel -> Programs and Features' (if you are 'Windows XP' user, click on 'Add/Remove Programs').
  2. If you are Windows 10 / Windows 8 user, then right-click in the lower left corner of the screen. Once Quick Access Menu shows up, select Control Panel and Uninstall a Program. If you are 'Windows 10 / Windows 8' user, then right-click in the lower left corner of the screen. Once 'Quick Access Menu' shows up, select 'Control Panel' and 'Uninstall a Program'.
  3. Uninstall Start4u and related programs
    Here, look for Start4u or any other recently installed suspicious programs.
  4. Uninstall them and click OK to save these changes. Right click on each of suspicious entries and select 'Uninstall'
  5. Remove Start4u from Windows shortcuts
    Right click on the shortcut of Mozilla Firefox and select Properties. Right click on browsers' icon and select 'Properties'
  6. Go to Shortcut tab and look at the Target field. Delete malicious URL that is related to your virus. Select 'Shortcut' tab and delete 'http://isearch.babylon.com...' or other suspicious URL

Repeat steps that are given above with all browsers' shortcuts, including Internet Explorer and Google Chrome. Make sure you check all locations of these shortcuts, including Desktop, Start Menu and taskbar.

WindowsMac OS XInternet ExplorerMicrosoft EdgeFirefoxGoogle ChromeSafari

Erase Start4u from Mac OS X system

  1. If you are using OS X, click Go button at the top left of the screen and select Applications. Cick 'Go' and select 'Applications'
  2. Wait until you see Applications folder and look for Start4u or any other suspicious programs on it. Now right click on every of such entries and select Move to Trash. Click on every malicious entry and select 'Move to Trash'
WindowsMac OS XInternet ExplorerMicrosoft EdgeFirefoxGoogle ChromeSafari

Delete Start4u from Internet Explorer (IE)

  1. Remove dangerous add-ons
    Open Internet Explorer, click on the Gear icon (IE menu) on the top right corner of the browser and choose Manage Add-ons. Click on menu icon and select 'Manage add-ons'
  2. You will see a Manage Add-ons window. Here, look for Start4u and other suspicious plugins. Disable these entries by clicking Disable: Right click on each of malicious entries and select 'Disable'
  3. Change your homepage if it was altered by virus:
    Click on the gear icon (menu) on the top right corner of the browser and select Internet Options. Stay in General tab.
  4. Here, remove malicious URL and enter preferable domain name. Click Apply to save changes. Delete malicious URL, enter your desired domain name and click 'Apply' to save changes
  5. Reset Internet Explorer
    Click on the gear icon (menu) again and select Internet options. Go to Advanced tab.
  6. Here, select Reset.
  7. When in the new window, check Delete personal settings and select Reset again to complete Start4u removal. Go to 'Advanced' tab and click on 'Reset' button. Now select 'Delete personal settings' and click on 'Reset' button again
WindowsMac OS XInternet ExplorerMicrosoft EdgeFirefoxGoogle ChromeSafari

Remove Start4u virus from Microsoft Edge

Reset Microsoft Edge settings (Method 1):

  1. Launch Microsoft Edge app and click More (three dots at the top right corner of the screen).
  2. Click Settings to open more options.
  3. Once Settings window shows up, click Choose what to clear button under Clear browsing data option. Go to Settings and select 'Choose what to clear'
  4. Here, select all what you want to remove and click Clear. Select 'Clear' button
  5. Now you should right-click on the Start button (Windows logo). Here, select Task Manager. Open the start menu and select 'Task Manager'
  6. When in Processes tab, search for Microsoft Edge.
  7. Right-click on it and choose Go to details option. If can’t see Go to details option, click More details and repeat previous steps. Right-click 'Microsoft Edge' and select 'Go to details' Select 'More details' if 'Go to details' option fails to show up
  8. When Details tab shows up, find every entry with Microsoft Edge name in it. Right click on each of them and select End Task to end these entries. Find Microsoft Edge entries and select 'End Task'

Resetting Microsoft Edge browser (Method 2):

If Method 1 failed to help you, you need to use an advanced Edge reset method.

  1. Note: you need to backup your data before using this method.
  2. Find this folder on your computer: C:\Users\%username%\AppData\Local\Packages\Microsoft.MicrosoftEdge_8wekyb3d8bbwe.
  3. Select every entry which is saved on it and right click with your mouse. Then Delete option. Go to Microsoft Edge folder on your computer, right-click every entry and click 'Delete'
  4. Click the Start button (Windows logo) and type in window power in Search my stuff line.
  5. Right-click the Windows PowerShell entry and choose Run as administrator. Find Windows PowerShell, right-click it and select 'Run as administrator'
  6. Once Administrator: Windows PowerShell window shows up, paste this command line after PS C:\WINDOWS\system32> and press Enter:
    Get-AppXPackage -AllUsers -Name Microsoft.MicrosoftEdge | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register $($_.InstallLocation)\AppXManifest.xml -Verbose}
    Copy and paste a required command and press 'Enter'

Once these steps are finished, Start4u should be removed from your Microsoft Edge browser.

WindowsMac OS XInternet ExplorerMicrosoft EdgeFirefoxGoogle ChromeSafari

Uninstall Start4u from Mozilla Firefox (FF)

  1. Remove dangerous extensions
    Open Mozilla Firefox, click on the menu icon (top right corner) and select Add-ons Extensions. Click on menu icon and select 'Add-ons'
  2. Here, select Start4u and other questionable plugins. Click Remove to delete these entries. Select 'Extensions' and look for malicious entries. Click 'Remove' to get rid of each of them
  3. Change your homepage if it was altered by virus:
    Click on the menu (top right corner), choose Options General.
  4. Here, delete malicious URL and enter preferable website or click Restore to default.
  5. Click OK to save these changes. When in 'General' tab, delete malicious URL from 'Home Page' section or click on 'Restore to Default' button. Click 'OK' to save changes
  6. Reset Mozilla Firefox
    Click on the Firefox menu on the top left and click on the question mark. Here, choose Troubleshooting Information. Click on menu icon and then on '?'. Select 'Troubleshooting Information'
  7. Now you will see Reset Firefox to its default state message with Reset Firefox button. Click this button for several times and complete Start4u removal. Click on 'Reset Firefox' button for a couple of times
WindowsMac OS XInternet ExplorerMicrosoft EdgeFirefoxGoogle ChromeSafari

Eliminate Start4u from Google Chrome

  1. Delete malicious plugins
    Open Google Chrome, click on the menu icon (top right corner) and select Tools Extensions. Click on menu icon. Select 'Tools' and 'Extensions'
  2. Here, select Start4u and other malicious plugins and select trash icon to delete these entries. Look for malicious entries and delete each of them by clicking on the Trash bin icon
  3. Change your homepage and default search engine if it was altered by your virus
    Click on menu icon and choose Settings.
  4. Here, look for the Open a specific page or set of pages under On startup option and click on Set pages. After clicking on menu and 'Settings', select 'Set pages'
  5. Now you should see another window. Here, delete malicious search sites and enter the one that you want to use as your homepage. Click 'X' to remove malicious URLs
  6. Click on menu icon again and choose Settings Manage Search engines under the Search section. When in 'Settings', select 'Manage search engines...'
  7. When in Search Engines..., remove malicious search sites. You should leave only Google or your preferred domain name. Click 'X' to remove malicious URLs
  8. Reset Google Chrome
    Click on menu icon on the top right of your Google Chrome and select Settings.
  9. Scroll down to the end of the page and click on Reset browser settings. When in 'Settings', scroll down to 'Reset browser settings' button and click on it
  10. Click Reset to confirm this action and complete Start4u removal. Click on 'Reset' button to complete your removal
WindowsMac OS XInternet ExplorerMicrosoft EdgeFirefoxGoogle ChromeSafari

Get rid of Start4u from Safari

  1. Remove dangerous extensions
    Open Safari web browser and click on Safari in menu at the top left of the screen. Once you do this, select Preferences. Click on 'Safari' and select 'Preferences'
  2. Here, select Extensions and look for Start4u or other suspicious entries. Click on the Uninstall button to get rid each of them. Go to 'Extensions' and uninstall malicious add-ons
  3. Change your homepage if it was altered by virus:
    Open your Safari web browser and click on Safari in menu section. Here, select Preferences as it was displayed previously and select General.
  4. Here, look at the Homepage field. If it was altered by Start4u, remove unwanted link and enter the one that you want to use for your searches. Remember to include the "http://" before typing in the address of the page. When in 'General', delete malicious URL and enter your desired domain name
  5. Reset Safari
    Open Safari browser and click on Safari in menu section at the top left of the screen. Here, select Reset Safari.... Click on 'Safari' and select 'Reset Safari...'
  6. Now you will see a detailed dialog window filled with reset options. All of those options are usually checked, but you can specify which of them you want to reset. Click the Reset button to complete Start4u removal process. Select all options and click on 'Reset' button

About the author

Julie Splinters
Julie Splinters - Malware removal specialist

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