This page aims to help you remove Thursailso.com. Our removal instructions work for Chrome, Firefox and Internet Explorer, as well as every version of Windows.
In case that you are browsing the internet regularly you are most probably using a trusted and safe browser to access your favorite sites and other useful information. However, sometimes, out of nowhere, your browser may start to operate differently and may start to flood your screen with nagging ads, sponsored banners, redirect links sudden pop-ups, as well as unwanted modifications to the search engine tool, the toolbar or to the homepage and the new-tab page. Such behavior is normally caused by the presence of a browser hijacker on your system and no browser (it doesn’t matter if you are using Chrome, Mozilla, Internet Explorer, Edge or another popular browsing app) is fully protected from being hijacked. On this page, we will discuss one particular browser hijacker application which is named Thursailso.com. There have been a lot of complaints about this application from a number of users because the strange application has the ability to totally invade the main browser and to change the way it operates without asking for permission. Thursailso.com usually attempts to launch an aggressive online advertising campaign which includes the generation of hard-to-remove pop-up ads, and redirect links which typically appear on every page that you try to visit. The moment it gets installed on the system, the hijacker tends to also change the default homepage with a third-party one or to replace the main search engine with a sponsored one and to install some new toolbars and buttons on the taskbar. Such changes could, naturally, be extremely irritating, especially when they are unwanted and have not been approved by the users. Even more annoying is the fact that they cannot be uninstalled or removed easily, as there is usually no quick uninstall option for that. A simple reinstall of the affected browser is unlikely to get you rid of the hijacker. Changing the main browser will also not help because Thursailso.com may easily get added to it as well. So, what can you do if such an annoying piece of software has taken over your favorite browser? Well, check out the removal guide below to find out.
Could my system get corrupted if Thursailso.com operates on it?
Thursailso.com is not some super dangerous virus or some sort of a nasty Trojan Horse or Ransomware based infection. That’s why there is no reason to get too stressed about its presence on your computer. A browser hijacker like this one is very different from actual dangerous malware and has no intention to do harm to your system. Its purpose is not to corrupt your data or steal your passwords but to make you click on some sponsored ads and visit some partnering third-party websites/platforms. Still, a lot of users seek methods to remove such software because its aggressive ad-generating and page-redirecting activity can cause irritation and unwanted browsing interruptions. Forced to constantly deal with various pop-ups, banners, third-party tools, toolbars, newly installed search engines, and unfamiliar domains, many people find it impossible to browse the web in peace. Another common issue, which the users often report is browser unresponsiveness and sluggishness, which they face while the hijacker operates on their system. All these reasons are usually enough to make someone want to remove such software, even if it is not as dangerous as a Virus, a Trojan Horse or a Ransomware infection.
|Danger Level||Medium (nowhere near threats like Ransomware, but still a security risk)|
|Symptoms||Annoying pop-ups and automatic page-redirects may constantly interrupt your normal web surfing.|
|Distribution Method||Software bundling is the most common method but also could be found inside torrents, ads, free download links and spam.|
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Android user, please use our Android Malware Removal guide.
Mac user, please use our Mac Malware Removal guide.
The following guide will help our readers get rid of the unpleasant Thursailso.com software. Follow the instructions and complete each step for best results. If you have any questions, feel free to ask them using our comment section down below.
Preparation: Entering Safe Mode and Revealing Hidden Files and Folders
Before you proceed with the actual removal instructions, you will need to take two extra steps in order to ensure that the guide has maximum effect.
For best results, we advise our readers to boot into Safe Mode prior to attempting to remove the virus. If you do not know how to do that, here is a separate How to Enter Safe Mode guide.
Also, in order to be able to see any potentially undesirable files, you should reveal any hidden files and folders on your PC – here is how to do that.
Step 1: Checking the Task Manager
Open your Task Manager by using the Ctrl + Shift + Esc keys and go to the Processes tab. Look for any suspicious processes. For example, any unfamiliar process that uses high amounts of RAM and/or CPU. If you aren’t sure if a certain process comes from malware, tell us in the comments.
Right-click on any process that you consider shady and select Open File Location. Delete anything from the file location of the process.
Step 2: Disabling Startup programs
Use the Winkey + R keyboard combination to open the Run search bar and type msconfig. Hit Enter and in the newly opened window, go to the Startup tab. There, look for suspicious entries with unknown manufacturer or ones that have the name Thursailso.com on them. Right-click on those, and select disable.
Step 3: Uninstalling unwanted programs
Go to Start Menu > Control Panel > Uninstall a Program. Click on Installed On to sort the entries by date from most recent to oldest and look through the programs that come at the top of the list. Right-click on any entries that appear shady and unwanted and then select Uninstall to remove them from your PC. If you see the name Thursailso.com in the list of programs, be sure to remove the software without hesitation.
Step 4: Checking for shady IP’s
Open your Start Menu and copy-paste notepad %windir%/system32/Drivers/etc/hosts in the search bar. In the notepad file, look below Localhost and see if there are any IP addresses there. If there are some, send them to us in the comments and we will tell you if you should take any action.
To remove parasite on your own, you may have to meddle with system files and registries. If you were to do this, you need to be extremely careful, because you may damage your system.
If you want to avoid the risk, we recommend downloading SpyHunter - a professional malware removal tool - to see whether it will find malicious programs on your PC.
Step 5: Cleaning-up the browsers
You will also have to uninstall any undesirable browser extensions from your browser programs. Here’s how to do that for some of the more popular browsers:
Open Chrome and open its main menu. Go to More Tools > Extensions. Look through the list of extensions and uninstall any that you think could be suspicious. To remove them – click on the trash can icon next to each extension.
You can also use a specialized Chrome CleanUp tool if you cannot manually remove a certain extension. Here is an article where you can learn more about the CleanUp tool.
Open Firefox and go to its Menu. Select the Add-ons button.From the left panel, select Extensions and take a look at the different entries. Remove any of the that might be unwanted.
Once you open your IE browser, click on the Tools button at the top-right corner of the program and from the drop-down menu select Manage Add-ons. Check each one of the four different groups of add-ons and search for anything that seems undesirable. If you find anything, click on it and them select Remove.
Open the main menu of Microsoft Edge and go to Extensions. Find the extensions that you believe could be unwanted and right-click on them. Then, select Uninstall.
Step 6: Checking the Registry Editor
Open the Run search bar again and type regedit in it. Hit Enter and once the Registry Editor opens press Ctrl + F. In the search field type Thursailso.com and click on Find Next. Tell us in the comments if any results came up when you searched for Thursailso.com in your PC’s Registry.
Step 7: Deleting recent entries
For this step, you will have to open your Start Menu and copy-paste the following lines, one by one:
Hit Enter after each one to open a file directory. In the directories, delete the most recent entries that you find there. In the Temp folder, delete all files.
Step 8: System Restore
In order to be fully sure that the unwanted software has been removed from your machine, you can also try using a Restore Point to roll back your system its last stable configuration. However, in order to do that, you would have to previously had had a restore point created. On most systems, such points get created automatically but this isn’t always the case.
- If you want to learn how to configure System Restore and how to manually create Restore Points, follow this link.
- Open your Start Menu and type System Restore.
- Click on the first result – a setup wizard should open.
- Read the brief description of the process and select Next.
- Now, choose a restore from the presented list. You can also check the Show more restore points option in order to reveal any other restore points that might be saved on your PC.
- Click on Scan for affected programs to see what programs will get deleted or restored after you use the Restore Point. (optional)
- Click on next and take and then select Finish.
- A warning window will appear telling you that once the process starts, it shouldn’t be interrupted. Select Yes and be patient as this might take some time. Do not do anything on your PC throughout the duration of the process.
Step 9: Windows Refresh/Reset
Use this method only if nothing else has worked so far as it is a last resort option. If you do not know how to do it, this separate guide will give you the information that you need.
Daniel Sadakov has a degree in Information Technology and specializes in web and mobile cyber security. He harbors a strong detestation for anything and everything malicious and has committed his resources and time to battling all manners of web and mobile threats. He has founded MobileSecurityZone.com, a website dedicated to covering the top tech stories and providing useful tips for the everyday user, in an effort to reach and help more people.