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Spyware news
  • Active
  • Severity: Medium
  • Adware
  • Windows, Mac
  • Verified · Jul 2016

How to remove Ads by Online Ad Scanner

A step-by-step removal guide for affected devices. Follow the verified procedure below — most readers complete it in under 10 minutes.

Ugnius Kiguolis · The mastermind

Can I trust Online Ad Scanner?

Online Ad Scanner is not what you have thought. If you installed this program thinking that it could help you find the best prices on the Internet, we will have to disappoint you. In reality, it is an adware which is used for collecting pay-per-click income. While seeking this aim, it keeps bothering its victims with sponsored ads and interrupts them during each of their browsing sessions. We must warn you that Online Ad Scanner virus may trick you into visiting questionable sites, so you must double-check each of its pop-up ads before clicking links that can be seen in them! Beware that its developers take no responsibility for these updates, so there is no doubt that you must avoid these pop-up ads and redirects. The easiest way to get rid of them is to remove this adware. This is especially recommended if it has infiltrated your machine behind your back. More information about distribution methods used by this PUP and Online Ad Scanner removal is provided below. If you need a quick solutions, use FortectIntego.

In the beginning, people usually find “ads by Online Ad Scanner” useful and feel tempted to click them. However, after some time you may notice that something is wrong with them. The main thing that makes them so interesting is that this questionable program is capable of automatically collecting statistics about people’s browsing. Once it collects a needed amount of data, it transfers it to its developers who start using it for advertising aims. This PUP can also modify your PC system, alter your start page/default search engine and similar settings. Once it finishes this process, it starts generating tons of commercial advertisements on all of web browsers (Google Chrome, Mozilla Firefox, Internet Explorer, etc). In reality, these ads are displayed for causing redirects to sponsored websites. The problem is that users can never be sure what websites they may be redirected to. Surfing thru such websites may cause troubles and may trick you into downloading another adware or even malware on your computer. If you want to stay safe, make sure you remove Online Ad Scanner from your computer.

The picture of Online Ad Scanner page and pop-up ads

How can this adware hijack my computer?

Online Ad Scanner is a typical adware that may infiltrate your computer via various freeware and shareware. It may sneak into computer unnoticed and without an appropriate permission asked. Close examination of this adware has revealed that it is mostly distributed via download managers, video streaming software and PDF creators on various download websites, such as download.com, soft32.com, softonic.com and many other. Once installed, it starts working on every web browser, including Google Chrome, Internet Explorer and Mozilla Firefox, diminishes browser’s performance, displays irritating ads and pose threat to end up with virus infection. To avoid this situation, users should be more careful during installation of freeware.

Even well-known programs can be bundled with third party advertisements; therefore, you should investigate every program that you are going to install. It is advisable to read end-user license agreement and privacy policy. If you are not fond of reading those long lines, you should always opt out for Advanced or Custom installation mode and follow the process carefully. This way all available check boxes will be shown and you will be able to decline installation of additional components. If you have already noticed Online Ad Scanner on your computer, do not ignore its presence and remove immediately in order to prevent problems that it may cause.

How to remove Online Ad Scanner virus from my computer?

Online Ad Scanner removal is not a complicated task. However, there are several things that you have to know. First of all, this is a sneaky PUP that travels along with different components. These components can be hidden deep inside your system, so there is no doubt that you should think about automatic removal of this program. Keeping it on the system may pose a serious risk to your non-personal information which is typically collected from its installation day. Also, you may be redirected to infected websites by Online Ad Scanner virus because its developers do not monitor third parties that they promote. To avoid this, install one of anti-spyware tools given below or follow manual removal instructions:

Uninstall from Windows

Uninstall from Windows 10/8:

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

Uninstall from Windows 7/XP:

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

Remove the unwanted program:

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

Delete from macOS

Remove the unwanted application:

  1. From the menu bar, select Go > Applications.
  2. In the Applications folder, look for any suspicious entries, then drag them to Trash (or right-click and pick Move to Trash).Uninstall from Mac

Delete leftover files and folders:

  1. Select Go > Go to Folder.
  2. Enter /Library/Application Support and remove any suspicious folders related to the unwanted program.
  3. Repeat the same check in the /Library/LaunchAgents and /Library/LaunchDaemons folders, deleting any suspicious entries.Delete leftover files from Mac
  4. Finally, empty the Trash to permanently remove the leftovers.

Reset Internet Explorer

Remove dangerous add-ons:

  1. Open Internet Explorer, click on the Gear icon (IE menu) on the top-right corner of the browser
  2. Pick Manage Add-ons.
  3. You will see a Manage Add-ons window. Here, look for suspicious plugins. Click on these entries and select Disable.Remove add-ons from Internet Explorer

Change your homepage if it was altered:

  1. Open IE and click on the Gear icon.
  2. Select Internet Options.
  3. In the General tab, delete the Home page address and replace it by your preferred one (for example, Google.com).
  4. Click Apply and then select OK.Reset IE homepage

Delete temporary files:

  1. Press on the Gear icon and select Internet Options.
  2. Under Browsing history, click Delete...
  3. Select relevant fields and press Delete.Clear temporary files from Internet Explorer

Reset Internet Explorer:

  1. Click on Gear icon > Internet options and select Advanced tab.
  2. Select Reset.
  3. In the new window, check Delete personal settings and select Reset.Reset Internet Explorer

Remove from Mozilla Firefox (FF)

Remove dangerous extensions:

  1. Open Mozilla Firefox browser and click on the Menu (three horizontal lines at the top-right of the window).
  2. Select Add-ons.
  3. In here, select the unwanted extension and click Remove.Remove extensions from Firefox

Reset the homepage:

  1. Click three horizontal lines at the top right corner to open the menu.
  2. Choose Settings.
  3. Under Home, set your preferred homepage and new tab settings.

Clear cookies and site data:

  1. Click Menu and pick Settings.
  2. Go to Privacy & Security section.
  3. Scroll down to locate Cookies and Site Data.
  4. Click on Clear Data...
  5. Select Cookies and Site Data and Temporary cached files and pages, then click Clear.Clear cookies and site data from Firefox

Reset Mozilla Firefox

If clearing the browser as explained above did not help, reset Mozilla Firefox:

  1. Open Mozilla Firefox browser and click the Menu.
  2. Go to Help and then choose Troubleshooting Information.Reset Firefox 1
  3. Under Give Firefox a tune up section, click on Refresh Firefox...
  4. Once the pop-up shows up, confirm the action by pressing on Refresh Firefox.Reset Firefox 2

Remove from Google Chrome

Delete malicious extensions from Google Chrome:

  1. Open Google Chrome, click on the Menu (three vertical dots at the top-right corner) and select More tools > Extensions.
  2. In the newly opened window, you will see all the installed extensions. Uninstall all suspicious extensions related to the unwanted program by clicking Remove.Remove extensions from Chrome

Clear cache and web data from Chrome:

  1. Click on Menu and pick Settings.
  2. Under Privacy and security, select Clear browsing data.
  3. Select Browsing history, Cookies and other site data, as well as Cached images and files.
  4. Click Clear data.Clear cache and web data from Chrome

Change your homepage:

  1. Click menu and choose Settings.
  2. Look for a suspicious site in the On startup section.
  3. 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:

  1. Click on Menu and select Settings.
  2. In the Settings, scroll down and click Advanced.
  3. Scroll down and locate Reset and clean up section.
  4. Now click Restore settings to their original defaults.
  5. Confirm with Reset settings.Reset Chrome 2

Delete from Safari

Remove dangerous extensions:

  1. Open Safari, click Safari in the menu at the top-left of the screen, and select Preferences.
  2. Go to the Extensions tab, look for any suspicious entries, and click Uninstall to remove them.Remove extensions from Safari

Clear history and website data:

  1. Click Safari in the menu and pick Clear History.
  2. Set Clear to all history and confirm with Clear History.Clear history from Safari

Reset Safari:

  1. Click Safari in the menu and select Preferences > Advanced.
  2. Enable Show Develop menu in menu bar.
  3. From the menu bar, click Develop and select Empty Caches.Reset Safari

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