What is

Have you noticed that your default search engine and homepage have been changed into If yes, it is crystal clear that you have been infected with a browser hijacker, which can also be classified as a potentially unwanted program (PUP). You can be certain that this happened without your permission – browser hijackers are known for intrusive behavior. You have to keep in mind that this particular search engine is useless – it will display many things that you wouldn’t really want to see, like supported links and ads.


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The engine’s interface is very simple: you can only see the search bar and search categories like Web, Images, Videos, and News. For this reason, a typical user may not even think that it is dangerous. Our security team advises you to remove from your system immediately – it may cause some problems if used excessively.

Why is dangerous?

Well, first of all, iSearch123 is able to hijack all major browsers: Mozilla Firefox, Google Chrome, and Internet Explorer. No user can be sure that he/she will avoid it. When you use for your browsing, be sure to be exposed to unwanted content. The search engine displays third-party ads as a part of your results, and you can accidentally click them. Also, the users claim to see a huge amount of advertisements, for example, pop-ups, coupons, banner-ads, in-text ads, and so on. The ads can be very dangerous, so never click any of them, no matter how interesting they may seem. You can be redirected to websites that are unreliable – they may contain a wide variety of computer infections and malware. The infections may include Trojans, adware, viruses, and many more threats. Your PC won’t be safe anymore: it may crash, freeze, or start restarting randomly. Your personal data can also be in danger. The search engine tracks your non-personal information like search history but this doesn’t mean that hackers can’t dig out your banking passwords. Keeping all of this in mind, uninstall from your browser before it’s too late.

How did I get infected with

It is quite easy to get infected with browser hijackers like Their usual way of infiltrating your PC is software bundles: you just simply have to download some free programs from P2P or other unreliable sites. Usually, during the installation process, you are able to notice the unwanted programs displayed in a list. In this case, you just have to simply uncheck their boxes. However, it is better to download content from reliable websites so that you wouldn’t have to delete and other malware.

How to remove

It is best to remove PUPs like this automatically with a good anti-spyware and anti-malware tool. A legitimate program will notice all the dangers in your computer and eliminate them. If you want to get rid of manually, follow the instructions and scan your whole system afterwards.

Uninstall from Windows XP

  1. Go to the Start menu.
  2. Select Control Panel.
  3. Press Add or Remove problems.
  4. Select the program you want to remove.
  5. Click Remove.

Uninstall from Windows 7 and Vista

  1. Open the Start menu.
  2. Go to Control Panel.
  3. Navigate to Uninstall a Program.
  4. Right-click the unwanted program.
  5. Press Uninstall.

Uninstall from Windows 8

  1. Press the Windows key to access the Metro UI menu.
  2. Type in Control Panel and open it.
  3. Press Uninstall a program.
  4. Find the unwanted application.
  5. Press Uninstall.

How to remove from Browsers?

Delete isearch123 from Mozilla Firefox

  1. Open the browser.
  2. Press Alt+H.
  3. Go to Troubleshooting information.
  4. Press Reset Firefox.
  5. Click Reset Firefox again.

Delete isearch123 from Internet Explorer

  1. Open the browser.
  2. Press Alt+T and open Internet Options.
  3. Navigate to Advanced tab.
  4. Press Reset.
  5. Press Delete Personal settings.
  6. Choose Reset.

Delete isearch123 from Google Chrome

  1. Tap Alt+F and open Settings.
  2. Click Show advanced settings.
  3. Go to Reset settings.
  4. Click Reset.

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