Woaisn.com Ads Virus. Removal Guide

Written by Valdis Koks

Woaisn.com search hijacker is a type of virus that injects into your system, and then switches the search engine configurations in your web browser to one which it wants. It likewise makes different unpleasant changes that can lead to private data leaks, in addition to various other malware penetration. In this article, you will read the manual of Woaisn.com hijacker clearing in various options, as well as additionally the solution of making your web browser as good as new.

icon hijacker - Do I really need it?

Woaisn.com Info

Name Woaisn.com extension
Type Browser hijacker1
Short Description The unwanted software that amends important browser settings without the user’s permission.
Symptoms The Woaisn.com 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 Woaisn.com hijacker.

The ways of injection of Woaisn.com search hijackers are assorted. The majority of them come from the malware dispersing with the malvertising or evil-minded web links of different internet sites. Sometimes, your computer can be contaminated with this virus with the trojan-downloader, which is utilized to disperse various other malware. There is a single form of this undesirable program – browser plugin that might build into any web browser which supports the add-on installment2.

You will not likely add this plugin by yourself, because their names are highly suspicious, and also the capability is very questionable. The “creators” of Woaisn.com hijacker normally mention that it can save the .doc/.docx files from the web pages already to .pdf format, or to download the entire website on your disk. It is pretty difficult to imagine if someone can be needed in such operations in 2024, when the Web access is not time-limited as well as every PC is able to start the needed .docx documents at Google Docs.

Nonetheless, besides their impracticality, they may simply be located in the Chrome Web Store. Of course, virus experts sound the alarm concerning such spam into the legit source of browser extensions, calling for the Google response – eliminating these extensions from their place. But they are still not hurrying to repair that safety issue.

Icon - Your PC hijacker

Is the Woaisn.com virus?

At the first sight, you can assume that these redirects are just irritating, but not harmful. As a result of this reason a lot of people are just playing for time rather than removing this malware, getting more and more chances of being infected with various other infections, which are much more harmful than Woaisn.com is.

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

If your web browser is corrupted because of the Azorult trojan activity, the system can start malfunctioning quickly – this symptome is just one of the most common in case of trojan penetration.

Icon - remove Woaisn.com hijacker

How to remove Woaisn.com?

First, let me say several words about prevention the Woaisn.com malware infiltration. It is extremely easy to discuss the methods of protecting your system from such annoying things as browser hijackers, however, it is very easy to be caught on this lure perhaps even being a professional user. As it was stated above, this virus can hide after the eye-catching (at the first sight) promotion, or in packs with various other adware you may get in dozens of means. But regardless of the common difficulty of the infiltration methods, it is very easy to avoid the Woaisn.com hijacker presence 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.

Preparation before removing Woaisn.com.

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

  • See to it you have this hands-on tutorial always all set to use.
  • Do a backup of all of your data, consisting of the stored logins, passwords as well as other credentials. You must back up your info with a cloud backup option and make certain your files are shielded from any kind of loss, also from the most serious infections.
  • Wait up until the resilient back-up process mores than.

Step 1: Uninstall Woaisn.com and related software from Windows

Here is a technique in couple of very easy stages that ought to be able to uninstall most applications. Either you use Windows 10, 8, 7, Vista or XP, 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 Woaisn.com 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’


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 Woaisn.com 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 Woaisn.com. 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.

Step 4: Scan for Woaisn.com 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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