Bacdau(.)vn is the main search page of a browser hijacker. The page has numerous links on it, advertisements, and buttons, creating quite a long marketing page. Everything can redirect you to unknown sites. To remove this unwanted application and all files associated with it, you should read this article to the end.
The browser hijacking program can change the homepage, search engine, and new tab settings of any browser. Adverts and redirects can show if you try to use the Internet for surfing. A toolbar or some extension related to this hijacker can appear in your browsers.
Threat Summary
| Name | Bacdau(.)vn |
| Type | Browser Hijacker, PUP |
| Short Description | Browsers you have on your PC will have their homepage, search engine and new tab modified. |
| Symptoms | Doing searches and trying to access your homepage will be hindered by redirects. The redirects will lead you to a Bacdau search page. A toolbar might be added. |
| Distribution Method | Freeware Installations, Bundle Packages |
| Detection Tool |
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| User Experience | Join Our Forum to Discuss Bacdau(.)vn. |
Bacdau(.)vn – Spread
Bacdau can be found in third-party setups for installation. This hijacking app can intrude your computer without your knowledge. Freeware installations or bundled packages are responsible for such sneaky installations. They often have additional components selected for installation by default. Avoiding to such applications to be installed on your PC is possible with checking for a Custom or an Advanced menu inside the setup.
Bacdau can be downloaded from its official site, as you can see in the picture above. The hijacker might spread via adverts, as pop-ups or banners for example, and from visiting websites with unknown origin. Such websites are highly likely to be some sort of affiliates with the Bacdau platform. Browsers that can be affected are: Google Chrome, Internet Explorer, and Mozilla Firefox.
Bacdau(.)vn – An Inside Look
Bacdau(.)vn is the official domain of the browser hijacker Bacdau. If your computer has the hijacker residing inside it, lots of your browser settings will get modified. Settings always changed in each browser are the homepage, new tab, and search engine. Some kind of toolbar could be added. The search engine might be different in every browser.
An add-on or a browser extension might come with the hijacker, included inside bundled apps installed on your personal computer. Such extensions might redirect you to Bacdau(.)vn domains or to partnered sites of the hijacker.
Bacdau(.)vn will redirect you from searches. The most common thing is when you type something, and the data is sent to a server of the hijacker but shows you Google search results. In that case, Bacdau(.)vn will serve as a filter for all of your searches. You can see sponsored content and advertisements on the site page.
In the image above you can see that you can be redirected to pages and content related to Bacdau. Gaming, movies, and other content will be shown, but they will just redirect you to Vietnamese sites as all partners of the hijacker, including it, are of Vietnamese origin.
The Privacy Policy of Bacdau(.)vn is that of Webnavi. It states that personally identifiable information will not be collected unless you provide it voluntarily. In the policy, it is claimed that the information is not shared with any third-parties.
If you read the privacy policy, you will see that the following information may be collected:
- Browser (version and name)
- Email address
- IP address
- Date and time
- Your Name and user ID
- The referring web page
- Requested pages
- Operating System (OS)
You can see a preview of this Policy right here:
By using any service of Bacdau(.)vn, including all of its related sites and programs will automatically give your permission for collection of your data. Cookies or some tracking technologies like web beacons are used to get some of the information enumerated above.
Remove Bacdau(.)vn Completely from Your Browser and PC
To remove Bacdau(.)vn manually from your PC, follow the step-by-step removal guide provided below. In case the manual removal does not get rid of the browser hijacker and its files completely, you should search for and remove any leftovers with an advanced anti-malware tool. Such a program keeps your system safe in the future.
- Guide 1: How to Remove Bacdau(.)vn from Windows.
- Guide 2: Get rid of Bacdau(.)vn from Mac OS X.
- Guide 3: Remove Bacdau(.)vn from Google Chrome.
- Guide 4: Erase Bacdau(.)vn from Mozilla Firefox.
- Guide 5: Uninstall Bacdau(.)vn from Microsoft Edge.
- Guide 6: Remove Bacdau(.)vn from Safari.
- Guide 7: Eliminate Bacdau(.)vn from Internet Explorer.
Windows Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer
How to Remove Bacdau(.)vn from Windows.
Step 1: Boot Your PC In Safe Mode to isolate and remove Bacdau(.)vn
Step 2: Uninstall Bacdau(.)vn and related software from Windows
Here is a method in few easy steps that should be able to uninstall most programs. No matter if you are using Windows 10, 8, 7, Vista or XP, those steps will get the job done. Dragging the program or its folder to the recycle bin can be a very bad decision. If you do that, bits and pieces of the program are left behind, and that can lead to unstable work of your PC, errors with the file type associations and other unpleasant activities. The proper way to get a program off your computer is to Uninstall it. To do that:
Follow the instructions above and you will successfully uninstall most programs.
Step 3: Clean any registries, created by Bacdau(.)vn on your computer.
The usually targeted 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 opening the Windows registry editor and deleting any values, created by Bacdau(.)vn there. This can happen by following the steps underneath:
Tip: To find a virus-created value, you can right-click on it and click "Modify" to see which file it is set to run. If this is the virus file location, remove the value.
Before starting "Step 4", please boot back into Normal mode, in case you are currently in Safe Mode.
This will enable you to install and use SpyHunter 5 successfully.
Windows Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer
Get rid of Bacdau(.)vn from Mac OS X.
Step 1: Uninstall Bacdau(.)vn and remove related files and objects
1. Hit the ⇧+⌘+U keys to open Utilities. Another way is to click on “Go” and then click “Utilities”, like the image below shows:
- Go to Finder.
- In the search bar type the name of the app that you want to remove.
- Above the search bar change the two drop down menus to “System Files” and “Are Included” so that you can see all of the files associated with the application you want to remove. Bear in mind that some of the files may not be related to the app so be very careful which files you delete.
- If all of the files are related, hold the ⌘+A buttons to select them and then drive them to “Trash”.
In case you cannot remove Bacdau(.)vn via Step 1 above:
In case you cannot find the virus files and objects in your Applications or other places we have shown above, you can manually look for them in the Libraries of your Mac. But before doing this, please read the disclaimer below:
You can repeat the same procedure with the following other Library directories:
→ ~/Library/LaunchAgents
/Library/LaunchDaemons
Tip: ~ is there on purpose, because it leads to more LaunchAgents.
Step 2: Scan for and remove Bacdau(.)vn files from your Mac
When you are facing problems on your Mac as a result of unwanted scripts and programs such as Bacdau(.)vn, the recommended way of eliminating the threat is by using an anti-malware program. SpyHunter for Mac offers advanced security features along with other modules that will improve your Mac’s security and protect it in the future.
Windows Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer
Remove Bacdau(.)vn from Google Chrome.
Step 1: Start Google Chrome and open the drop menu
Step 2: Move the cursor over "Tools" and then from the extended menu choose "Extensions"
Step 3: From the opened "Extensions" menu locate the unwanted extension and click on its "Remove" button.
Step 4: After the extension is removed, restart Google Chrome by closing it from the red "X" button at the top right corner and start it again.
Windows Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer
Erase Bacdau(.)vn from Mozilla Firefox.
Step 1: Start Mozilla Firefox. Open the menu window
Step 2: Select the "Add-ons" icon from the menu.
Step 3: Select the unwanted extension and click "Remove"
Step 4: After the extension is removed, restart Mozilla Firefox by closing it from the red "X" button at the top right corner and start it again.
Windows Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer
Uninstall Bacdau(.)vn from Microsoft Edge.
Step 1: Start Edge browser.
Step 2: Open the drop menu by clicking on the icon at the top right corner.
Step 3: From the drop menu select "Extensions".
Step 4: Choose the suspected malicious extension you want to remove and then click on the gear icon.
Step 5: Remove the malicious extension by scrolling down and then clicking on Uninstall.
Windows Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer
Remove Bacdau(.)vn from Safari.
Step 1: Start the Safari app.
Step 2: After hovering your mouse cursor to the top of the screen, click on the Safari text to open its drop down menu.
Step 3: From the menu, click on "Preferences".
Step 4: After that, select the 'Extensions' Tab.
Step 5: Click once on the extension you want to remove.
Step 6: Click 'Uninstall'.
A pop-up window will appear asking for confirmation to uninstall the extension. Select 'Uninstall' again, and the Bacdau(.)vn will be removed.
Windows Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer
Eliminate Bacdau(.)vn from Internet Explorer.
Step 1: Start Internet Explorer.
Step 2: Click on the gear icon labeled 'Tools' to open the drop menu and select 'Manage Add-ons'
Step 3: In the 'Manage Add-ons' window.
Step 4: Select the extension you want to remove and then click 'Disable'. A pop-up window will appear to inform you that you are about to disable the selected extension, and some more add-ons might be disabled as well. Leave all the boxes checked, and click 'Disable'.
Step 5: After the unwanted extension has been removed, restart Internet Explorer by closing it from the red 'X' button located at the top right corner and start it again.
