Browser Redirect

Remove Iyf Search “Virus” (Firefox/Chrome/IE)

How irritating is this problem? (7 votes, average: 5.00)

This page aims to help you remove Iyf Search “Virus” Pop up. Our removal instructions work for Firefox,Chrome and Internet Explorer, as well as every version of Windows.

The annoyance brought by the various forms of annoying banners, ads and page-redirects that appear in your browser is not a major problem like an infection with a Trojan Horse or an encryption placed on your files by a Ransomware cryptovirus. However, if there are indeed way too many advertisements on your screen every time you are using your Chrome or Firefox or any other browser that’s on your computer and if those ads do not seem to be limited to any particular sites but are instead appearing all over the place, you may need to read this whole article to learn more about the potential cause of the unwelcome irritation. In most cases, whenever the users are complaining about ads on their screen that no ad-blocker can stop, there are also likely some changes in the browser’s homepage or in its search engine services. This is because, in many instances, the culprit behind the ads is not some site that you go to but a software component that has been added inside your browser without your knowledge. The typical name given to such invasive software components is browser hijackers. This is a whole software category that comprises different apps that can enter the users’ browsers and make them behave oddly and swarm the computer screen with different advertising messages. Of course, this could be particularly unpleasant to experience since all the ads can make it quite difficult to reach the sites and the information that you’d actually want to get to. And even though this types of apps are not any sort of viruses, they can be a bit challenging to remove for an inexperienced user. Take for example the recently discovered Iyf Search hijacker – if it is in your system, you are likely willing to have it removed but do not know how to uninstall it. Fortunately, the following instructions and the removal tool linked next to them will allow you to get rid of the annoying software app with ease.

The safety of your computer depends on you!

No matter how strong your antivirus is and how secure your browser may be, your data could still become the next victim of some insidious Ransomware infection and your computer could still get attacked by some dangerous Trojan Horse or some other malware program, and that is especially true if you aren’t careful with your online habits and activities. The risk of infection further increases if you have some ad-generating app in your browser (such as Iyf Search) which spams all kinds of obscure advertisements, pop-ups and banners whenever you open the browser. Iyf Search itself is not a malicious form of software but its ads could not be trusted as you have no control over them and you also have no information about their real source or about what they may redirect you to. Because of all of this, it is imperative that you uninstall this unreliable application from your computer and remove every change that it may have made to your browser in order to decrease the chances of a potential encounter with unsafe web content.


Name Iyf Search
Type  Browser Hijacker
Danger Level Medium (nowhere near threats like Ransomware, but still a security risk)
Symptoms If a hijacker is in your computer, you will start seeing invasive ads in your browser as well as experience irritating page-redirects to different sites.
Distribution Method Usually, hijackers get added to installation packages with other programs that you may try to install.
Detection Tool

Remove Iyf Search “Virus” 

If you have a Windows virus, continue with the guide below.

If you have a Mac virus, please use our How to remove Ads on Mac guide.

If you have an Android virus, please use our Android Malware Removal guide.

If you have an iPhone virus, please use our iPhone Virus Removal guide


Some of the steps will likely require you to exit the page. Bookmark it for later reference.

Reboot in Safe Mode (use this guide if you don’t know how to do it).

Was this step helpful? Please vote – we use the feedback to improve our guides.



Press CTRL + SHIFT + ESC at the same time and go to the Processes Tab (the “Details” Tab on Win 8 and 10). Try to determine which processes are dangerous. 


Right click on each of them and select Open File Location. Then scan the files with our free online virus scanner:

Drag and Drop Files Here to Scan
Maximum file size: 128MB.

This scanner is free and will always remain free for our website's users. You can find its full-page version at:

Scan Results

Virus Scanner Result

After you open their folder, end the processes that are infected, then delete their folders. 

Note: If you are sure something is part of the infection – delete it, even if the scanner doesn’t flag it. No anti-virus program can detect all infections. 


Hold together the Start Key and R. Type appwiz.cpl –> OK.


You are now in the Control Panel. Look for suspicious entries. Uninstall it/them.

Type msconfig in the search field and hit enter. A window will pop-up:


Startup —> Uncheck entries that have “Unknown” as Manufacturer or otherwise look suspicious.


Hold the Start Key and R –  copy + paste the following and click OK:

notepad %windir%/system32/Drivers/etc/hosts

A new file will open. If you are hacked, there will be a bunch of other IPs connected to you at the bottom. Look at the image below:

hosts_opt (1)

If there are suspicious IPs below “Localhost” – write to us in the comments.

Open the start menu and search for Network Connections (On Windows 10 you just write it after clicking the Windows button), press enter.

  1. Right-click on the Network Adapter you are using —> Properties —> Internet Protocol Version 4 (ICP/IP), click  Properties.
  2. The DNS line should be set to Obtain DNS server automatically. If it is not, set it yourself.
  3. Click on Advanced —> the DNS tab. Remove everything here (if there is something) —> OK.



  • After you complete this step, the threat will be gone from your browsers. Finish the next step as well or it may reappear on a system reboot.

Right click on the browser’s shortcut —> Properties.

NOTE: We are showing Google Chrome, but you can do this for Firefox and IE (or Edge).


Properties —–> Shortcut. In Target, remove everything after .exe.

ie9-10_512x512  Remove Iyf Search from Internet Explorer:

Open IE, click  IE GEAR —–> Manage Add-ons.

pic 3

Find the threat —> Disable. Go to IE GEAR —–> Internet Options —> change the URL to whatever you use (if hijacked) —> Apply.

firefox-512 Remove Iyf Search from Firefox:

Open Firefoxclick  mozilla menu  ——-> Add-ons —-> Extensions.

pic 6

Find the adware/malware —> Remove.
chrome-logo-transparent-backgroundRemove Iyf Search from Chrome:

Close Chrome. Navigate to:

 C:/Users/!!!!USER NAME!!!!/AppData/Local/Google/Chrome/User Data. There is a Folder called “Default” inside:

Rename the Folder to Backup Default

Rename it to Backup Default. Restart Chrome.


Type Regedit in the windows search field and press Enter.

Inside, press CTRL and F together and type the threat’s Name. Right click and delete any entries you find with a similar name. If they don’t show up this way, go manually to these directories and delete/uninstall them:

  • HKEY_CURRENT_USER—-Software—–Random Directory. It could be any one of them – ask us if you can’t discern which ones are malicious.
    HKEY_CURRENT_USER—-Software—Microsoft—-Windows—CurrentVersion—Run– Random
    HKEY_CURRENT_USER—-Software—Microsoft—Internet Explorer—-Main—- Random

If the guide doesn’t help, download the anti-virus program we recommended or try our free online virus scanner. Also, you can always ask us in the comments for help!

Leave a Comment