Content-lib.biz hijacker – How to Remove Ads?

Written by Valdis Koks

Content-lib.biz search hijacker is a kind of virus that infuses into your computer system, and afterwards switches the search engine configurations in your internet browser to one which it wants. It likewise makes some unpleasant modifications that can result in private information leaks, as well as to various other malware penetration. In this article, you will see the guideline of Content-lib.biz hijacker removal in various techniques, as well as additionally the procedure of making your web browser like new.

icon hijacker - Do I really need it?

Content-lib.biz info

Name Content-lib.biz extension
Type Browser hijacker1
Short Description The unwanted software that amends important browser settings without the user’s permission.
Symptoms The Content-lib.biz hijacker replaces the browser parameters set by the users and replaces these settings with its own values.
Distribution Method Bundling with Freeware or Shareware, misleading pop-up ads produced by adware.
Detection Tool Inspect If Your System Has Been Affected by the Content-lib.biz hijacker.

The methods of injection of Content-lib.biz search hijackers are various. The majority of them belong to the malware dispersing via the malvertising or malevolent links of various websites. In some cases, your PC can be contaminated with this virus with the trojan-downloader, which is used to distribute numerous other malware. There is a solitary kind of this undesirable program – browser plugin that can build into any kind of internet browser which supports the add-on setup2.

You will not likely mount this plugin by yourself, since their names are really uncertain, and also the functionality is very debatable. The “developers” of Content-lib.biz hijacker normally state that it can save the .doc/.docx files from the sites already to .pdf format, or to download the whole site on your disk. It is very hard to imagine if somebody can be needed in such operations in 2022, when the Web access is not time-limited and every system is able to open the needed .docx files at Google Docs.

Nonetheless, besides their uselessness, they may simply be located in the Chrome Web Store. Certainly, virus analysts sound the alarm concerning such spam into the official source of browser extensions, calling for the Google response – removing these extensions from their place. But they are still not hurrying to fix that security issue.

Icon - Your PC hijacker

Is the Content-lib.biz virus?

At the first blush, you can assume that these redirects are only aggravating, but not hazardous. Due to this factor a great deal of users are simply playing for time instead of removing this malware, obtaining increasingly more possibilities of being infected with different other malware, which are a lot more harmful than Content-lib.biz is.

Besides the modified browser search engine or search results, you may additionally see various advertisements even on those internet sites that do not have any promotions on it by default. And you may just misclick while closing the ad, and start the downloading of an unrecognized file, which can be a malware, or a potentially unwanted application, or even ransomware – whatever the maintainers of this hijacker desire.

If your browser is damaged due to the Azorult trojan task, the system may start malfunctioning in the near future – this symptome is one of the most usual in case of trojan penetration.

Icon - remove Content-lib.biz hijacker

How to remove Content-lib.biz?

First, let me say several words about prevention the Content-lib.biz malware penetration. It is extremely simple to refer to the techniques of shielding your personal computer from such frustrating things as browser hijackers, but it is extremely easy to be caught on this bait even being an experienced user. As it was mentioned above, this malware may hide after the eye-catching (at the first sight) ad, or in packs with various other adware you may get in dozens of manners. However, no matter the common complexity of the infiltration approaches, it is really easy to stay clear of the Content-lib.biz hijacker appearance in your system:

  • Do not follow the dubious links;
  • Restrict the usage of pseudo-free software (one which is offered as free, but has an additional unwanted programs in its pack);
  • Leave the habit of clicking advertisements on the web. If you need to buy something, it is better to google it;
  • Avoid downloading the files from dubious sources, like forums or file sharing websites.
Content-lib.biz may remain persistent on your system and may re-infect it. We recommend you to download Trojan Remover and run free scan to get rid of all infected files on your device. This saves you a lot of time and efforts compared to the manual malware removal.

Preparation before removing Content-lib.biz.

Before starting the actual uninstall procedure, we recommend that you do the following introductory milestones.

  • Make certain you have this hands-on tutorial always all set to make use of.
  • Execute a backup of every one of your data, consisting of the stored logins, passwords and various other qualifications. You should support your information with a cloud back-up service and also make sure your data are safeguarded from any sort of loss, even from the most serious infections.
  • Wait up until the durable backup procedure mores than.

Step 1: Uninstall Content-lib.biz and related software from Windows

Here is a method in few easy steps that ought to have the ability to uninstall most applications. Either you use Windows 11/10 or 7, these milestones will work well. Moving the app or its folder to the Trash can be a very wrong idea. In case you do that, remnants of the app may remain, and that can cause the unstable performance of your system, malfunctions with the file type associations and other unpleasant behavior. The effective solution to get an app off your device is to remove it manually. To do that:

1. Keep holding the Windows Logo Button and “R” on your keyboard. A Pop-up window will soon arrive.

Windows keyboard R

2. In the field that appeared, type in “appwiz.cpl” -1  and choose OK – 2.

Run appwiz.cpl

 

3. This will open a window with all the apps available on the device. Choose the app that you want to get rid of, then choose “Uninstall

Follow the steps above and you will successfully get rid of most unwanted apps.

Step 2: Get rid of Content-lib.biz from all your available browsers.

Mozilla FirefoxGoogle ChromeInternet ExplorerMicrosoft Edge

1. Launch Mozilla Firefox. Go to its menu window

2. Choose the “Add-ons” icon in the menu.

3. Find the unwanted extension and select “Remove

Mozilla Firefox Add-ons Remove

4. Upon deleting the extension, reload Mozilla Firefox, closing it with the help of a red “X” button in the upper right corner and start it again.

1. Launch Google Chrome and go to its drop menu

Google Chrome drop menu click

2. Click on “Tools” and then in the extended menu select “Extensions

Google Chrome Tools select Extensions

3. In the “Extensions” menu find the unwanted extension and apply the “Remove” button related to it.

Google Chrome Extensions Remove

4. As soon as the extension is deleted, reload Google Chrome by closing it by means of the red “X” button at the top right corner and launch it again.

1. Launch Internet Explorer

2. Click on the gear icon marked ‘Tools’ to open the drop menu and choose ‘Manage Add-ons’

Manage-add-ons

3. In the “Manage Add-ons” window, locate the extension you want to delete and then click “Remove”. A pop-up window will come up to inform you that you are about to delete the selected extension, and some more add-ons might be disabled as well. Leave all the boxes checked, and choose “Remove”.

Internet Explorer extension removal

4. Once the unwanted extension is deleted, reload Internet Explorer by shutting it down from the red “X” button located at the top right corner and launch it again.

1. Launch Edge

2. Access the drop menu by clicking on the icon at the top right corner.

3. From the drop menu choose “Extensions”.

Microsoft Edge menu Extensions

4. Locate the suspected dangerous extension you want to delete and then click on the Remove button.

Microsoft Edge Extensions Remove

Step 3: Clean any registries that could be added by Content-lib.biz on your device.

The usually attacked registries of Windows machines are the following:

  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
  • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce

You can access them by going to the Windows registry editor and getting rid of any values added by Content-lib.biz. Follow the steps below:

  1. Start the Run Window command once again, type “regedit” and click OK.Window command regedit
  2. As soon as you open it, you can freely go to the Run and RunOnce keys, whose locations are displayed above.Window command Run and RunOnce keys
  3. You can delete the value of the virus by right-clicking on it and deleting it.Window command regedit delete the value virus

Tip: To locate a virus-created value, you can right-click on it and select “Modify” to find which file it is set to run. If this is the malware file location, delete the value.

IMPORTANT!
Before starting “Step 4”, please boot back into Normal modein case you are currently in Safe Mode.
This will enable you to install and use Loaris Trojan Remover successfully.

 

Step 4: Scan for Content-lib.biz with Loaris Trojan Remover

1. Click on the “Download” button to proceed to Loaris Trojan Remover download.

It is recommended to run a scan before purchasing the full version of the software to make sure that the current version of the malware can be detected by Trojan Remover. Click on the corresponding links to check License AgreementPrivacy Policy.

2. Click “Install” to start.

Loaris Trojan Remover Install

There were 4 scan types suggested:

  • Standard Scan.
  • Full Scan.
  • Custom Scan.
  • Removable Scan.

 

3. After the installed has finished, click on the ‘Scan’ tab. Click on ‘Full Scan’.

Loaris Trojan Remover Full Scan

4. Once the scanning is started, Loaris will initiate the thorough analysis of your device and may soon identify specific threats currently slowing down the performance of your system. Make sure to wait until the scanning is completed to let the software fully evaluate the safety of your workstation.

Loaris Trojan Remover - scan in process

5. After Loaris Trojan Remover has finished scanning your PC for any files of the associated threat and found them, you can try to get them removed automatically and permanently by clicking on the ‘Apply’ button. There were options to move the files to quarantine, ignore or delete them.

Loaris Trojan Remover - show viruses

If any threats have been removed, it is highly recommended to restart your PC.

 

  1. About browser hijackers on Wikipedia
  2. Possible danger of free browser extensions

About the author

Valdis Koks

Security engineer, reverse engineering and memory forensics

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