Severity scale:  

Remove (Removal Instructions) - Improved Guide

removal by Ugnius Kiguolis - - | Type: Browser hijacker

Sleepshadow – a browser hijacker which has been targeting Mac OS X to start continuous redirects to sponsored websites hijack

Sleepshadow is a PUP[1] which modifies web browsers' settings that can be reversed to their previous state only when the hijack[2] is eliminated. The main page, search provider, and new tab section are usually set to Additionally, users are forced to use this search provider each time they enter a search request. This program can easily get into your system secretly because of the bundling technique used by its developers. Beware that they have been actively promoting their Removal tool to “help” users get rid of this browser hijacker which we do NOT recommend installing because of the possibility to get more viruses on your PC system.

Type Browser hijacker
Browsers affected Safari, Google Chrome, Mozilla Firefox, IE, and others.
Distribution methods Software bundles, misleading pop-ups, secondary installers, etc.
Prevention techniques Avoiding suspicious sites, using only original installers, installing a trustworthy antivirus program 
The main purpose To gain profit from naive users
Elimination Use Reimage to uninstall the browser hijacker. Do NOT install the recommended Sleepshadow removal tool!

The most disturbing fact related to Sleepshadow virus is that it might provide misleading results. After collecting non-personal details about their users, developers set browsing-related content (usually ads and in-text links) which are displayed among the user's search results. No matter it may seem that they are decreasing the quality of your browsing experience, they can also redirect you to the malware-filled website. These ads are typically used for the pay-per-click revenue scheme. 

The browser hijacker is typically collecting this kind of data:

  • visited pages;
  • clicked links and ads;
  • the computer's IP address;
  • its location;
  • bookmarks' list;
  • etc.

Such activity is revealed in the Privacy Policy. Additionally, the company is warning its users about data sharing activity:

We may share non-personally identifiable information with third parties, when this is required in order to provide, maintain or improve the Sleepshadow operation and services. We may NOT share personally identifiable information with any third party, except in an aggregated and/or statistical form. 

As you can see, the system's hijack can lead you to various problems that are mostly used to generate revenue. To avoid troubles caused by this browser hijacker, you should remove Sleepshadow from your browser and the whole PC system. You can do it very easily by downloading and installing an anti-malware tool. We recommend using Reimage which will guarantee you a quick and safe elimination process.

If you want to perform the removal without additional tools, use steps provided at the end of this post. Better not waste time until your system is overloaded by various intrusive ads, and get rid of the infection as soon as you noticed it on your browser. PUP is a potentially unwanted search engine which modifies the browser's settings and forces the victim to use the new fake search engine each time the infected browser is launched.

Browser hijackers are spread using a few main ways

According to professional tech experts,[3] PUPs such as browser hijackers usually invade the system by using a stealth method called bundling. However, there is a wide list of methods used to spread these PUPs:

  • Software bundles. If you like downloading free software, you might face an infiltration of unwanted components. Make sure you double check the included components before downloading it to your computer;
  • Official website. A browser-hijacking application can be downloaded straight from its official site where it is advertised as an exclusive app. Before you fall for its promises, make sure you read reviews and comments of other PC users;
  • Third-party installers. As these things are provided by secondary sources, they can also contain harmful content;
  • Various dubious pages and links. If you like clicking on everything you see, beware that you might click on something malicious one day;

As you can see, the danger is everywhere, and that is the main reason why it is so important to know, how to avoid such harmful apps on your computer:

  • To prevent bundles, get your software only from trusted sources. If you still decide to download it from third-party sites, select only Custom/Advanced installation settings and carefully look through all pre-checked check marks to deselect unwanted components;
  • Avoid suspicious-looking websites, intrusive ads. If you encounter such content, be wise and close it immediately for harmful programs not to spread;
  • Nothing can be avoided with all 100%. Even if you are a careful person which does browsing activity with big responsibility, a threat might be capable of sneaking in your PC anyway. In case to notice if that happens, install an antivirus. Make sure you do regular updates and it will inform you if any infections are doing damage to your computer system.

To get rid of Sleepshadow, take care of its components

To remove from your web browsers, you need to take the required actions. First of all, you need to get rid of all suspicious and unknown browser extensions, add-ons and other apps. The guide given below will guide you thru this process. However, don't forget to reset your affected websites as well to delete the search engine related to this hijacker.

If you want to proceed with the automatic Sleepshadow removal, you will need to download and install anti-malware. This method will help you eliminate the cyberthreat with each of its components with only one click. However, resetting Chrome, Firefox, Edge, IE, and other browsers is still recommended.

In the end, we strongly recommend staying away from browser hijackers as their main task is to redirect you to the needed websites. 

You can remove virus damage automatically with a help of one of these programs: Reimage, SpyHunter 5Combo Cleaner, 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.

do it now!
Reimage (remover) Happiness
Reimage (remover) Happiness
Compatible with Microsoft Windows Supported versions Compatible with OS X Supported versions
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.
Alternative Software
Different security software includes different virus database. If you didn’t succeed in finding malware with Reimage, try running alternative scan with SpyHunter 5.
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, follow these steps:

Remove 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 and related programs
    Here, look for 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 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 '' 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.

Eliminate from Mac OS X system

To eliminate the browser hijacker from Mac OS X, follow this guide:

  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 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'

Delete 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 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 removal. Go to 'Advanced' tab and click on 'Reset' button. Now select 'Delete personal settings' and click on 'Reset' button again

Get rid of 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, should be removed from your Microsoft Edge browser.

Uninstall from Mozilla Firefox (FF)

If such PUP has occupied your Mozilla Firefox browser, manage to look through the following steps:

  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 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 removal. Click on 'Reset Firefox' button for a couple of times

Erase 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 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 removal. Click on 'Reset' button to complete your removal

Remove from Safari

IGet rid of from Safari browser by using these steps:

  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 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, 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 removal process. Select all options and click on 'Reset' button

About the author

Ugnius Kiguolis
Ugnius Kiguolis - The mastermind

If this free removal guide helped you and you are satisfied with our service, please consider making a donation to keep this service alive. Even a smallest amount will be appreciated.

Contact Ugnius Kiguolis
About the company Esolutions


Your opinion regarding