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 |
See If Your System Has Been Affected by malware
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Malware Removal 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.
- Windows
- Mac OS X
- Google Chrome
- Mozilla Firefox
- Microsoft Edge
- Safari
- Internet Explorer
- Stop Push Pop-ups
How to Remove Bacdau(.)vn from Windows.
Step 1: Scan for Bacdau(.)vn with SpyHunter Anti-Malware Tool
Step 2: Boot Your PC In Safe Mode
Step 3: Uninstall Bacdau(.)vn and related software from Windows
Uninstall Steps for Windows 11
Uninstall Steps for Windows 10 and Older Versions
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 4: Clean Any registries, Created by Bacdau(.)vn on Your PC.
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.
Video Removal Guide for Bacdau(.)vn (Windows).
Get rid of Bacdau(.)vn from Mac OS X.
Step 1: Uninstall Bacdau(.)vn and remove related files and objects
Your Mac will then show you a list of items that start automatically when you log in. Look for any suspicious apps identical or similar to Bacdau(.)vn. Check the app you want to stop from running automatically and then select on the Minus (“-“) icon to hide it.
- 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.
Video Removal Guide for Bacdau(.)vn (Mac)
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.
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.
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.
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.
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.
Remove Push Notifications from Your Browsers
Turn Off Push Notifications from Google Chrome
To disable any Push Notices from Google Chrome browser, please follow the steps below:
Step 1: Go to Settings in Chrome.
Step 2: In Settings, select “Advanced Settings”:
Step 3: Click “Content Settings”:
Step 4: Open “Notifications”:
Step 5: Click the three dots and choose Block, Edit or Remove options:
Remove Push Notifications on Firefox
Step 1: Go to Firefox Options.
Step 2: Go to “Settings”, type “notifications” in the search bar and click "Settings":
Step 3: Click “Remove” on any site you wish notifications gone and click “Save Changes”
Stop Push Notifications on Opera
Step 1: In Opera, press ALT+P to go to Settings.
Step 2: In Setting search, type “Content” to go to Content Settings.
Step 3: Open Notifications:
Step 4: Do the same as you did with Google Chrome (explained below):
Eliminate Push Notifications on Safari
Step 1: Open Safari Preferences.
Step 2: Choose the domain from where you like push pop-ups gone and change to "Deny" from "Allow".
Bacdau(.)vn-FAQ
What Is Bacdau(.)vn?
The Bacdau(.)vn threat is adware or browser redirect virus.
It may slow your computer down significantly and display advertisements. The main idea is for your information to likely get stolen or more ads to appear on your device.
The creators of such unwanted apps work with pay-per-click schemes to get your computer to visit risky or different types of websites that may generate them funds. This is why they do not even care what types of websites show up on the ads. This makes their unwanted software indirectly risky for your OS.
What Are the Symptoms of Bacdau(.)vn?
There are several symptoms to look for when this particular threat and also unwanted apps in general are active:
Symptom #1: Your computer may become slow and have poor performance in general.
Symptom #2: You have toolbars, add-ons or extensions on your web browsers that you don't remember adding.
Symptom #3: You see all types of ads, like ad-supported search results, pop-ups and redirects to randomly appear.
Symptom #4: You see installed apps on your Mac running automatically and you do not remember installing them.
Symptom #5: You see suspicious processes running in your Task Manager.
If you see one or more of those symptoms, then security experts recommend that you check your computer for viruses.
What Types of Unwanted Programs Are There?
According to most malware researchers and cyber-security experts, the threats that can currently affect your device can be rogue antivirus software, adware, browser hijackers, clickers, fake optimizers and any forms of PUPs.
What to Do If I Have a "virus" like Bacdau(.)vn?
With few simple actions. First and foremost, it is imperative that you follow these steps:
Step 1: Find a safe computer and connect it to another network, not the one that your Mac was infected in.
Step 2: Change all of your passwords, starting from your email passwords.
Step 3: Enable two-factor authentication for protection of your important accounts.
Step 4: Call your bank to change your credit card details (secret code, etc.) if you have saved your credit card for online shopping or have done online activities with your card.
Step 5: Make sure to call your ISP (Internet provider or carrier) and ask them to change your IP address.
Step 6: Change your Wi-Fi password.
Step 7: (Optional): Make sure to scan all of the devices connected to your network for viruses and repeat these steps for them if they are affected.
Step 8: Install anti-malware software with real-time protection on every device you have.
Step 9: Try not to download software from sites you know nothing about and stay away from low-reputation websites in general.
If you follow these recommendations, your network and all devices will become significantly more secure against any threats or information invasive software and be virus free and protected in the future too.
How Does Bacdau(.)vn Work?
Once installed, Bacdau(.)vn can collect data using trackers. This data is about your web browsing habits, such as the websites you visit and the search terms you use. It is then used to target you with ads or to sell your information to third parties.
Bacdau(.)vn can also download other malicious software onto your computer, such as viruses and spyware, which can be used to steal your personal information and show risky ads, that may redirect to virus sites or scams.
Is Bacdau(.)vn Malware?
The truth is that PUPs (adware, browser hijackers) are not viruses, but may be just as dangerous since they may show you and redirect you to malware websites and scam pages.
Many security experts classify potentially unwanted programs as malware. This is because of the unwanted effects that PUPs can cause, such as displaying intrusive ads and collecting user data without the user’s knowledge or consent.
About the Bacdau(.)vn Research
The content we publish on SensorsTechForum.com, this Bacdau(.)vn how-to removal guide included, is the outcome of extensive research, hard work and our team’s devotion to help you remove the specific, adware-related problem, and restore your browser and computer system.
How did we conduct the research on Bacdau(.)vn?
Please note that our research is based on independent investigation. We are in contact with independent security researchers, thanks to which we receive daily updates on the latest malware, adware, and browser hijacker definitions.
Furthermore, the research behind the Bacdau(.)vn threat is backed with VirusTotal.
To better understand this online threat, please refer to the following articles which provide knowledgeable details.