Suddenly appearing advertising on Android can turn using a smartphone into a real nightmare. Pop-ups cover the desktop, banners appear on top of other applications, and the lock screen is filled with offers for games and casinos. Most often, the culprits are free utilities that the user installed very recently, without even knowing about the hidden threat.
There are several effective ways to get rid of intrusive content. Advertising modules can be built into both system services and third-party software. In this article, we will analyze methods from simple settings to radical removal of malware that will help restore comfort when working with the device.
You should not ignore the problem, hoping that it will disappear by itself. Over time, the number of pop-ups may increase, and the phone will begin to slow down due to the background activity of advertising scripts. Let's take a look at where exactly the source of irritation is hidden and how to neutralize it.
Finding and removing the culprit of the problem
First of all, you need to identify the application that generates advertising. Often these are apps with suspicious names or no icon at all, which masquerade as system processes. Go to Settings → Applications → All applications and carefully study the list.
Pay attention to the installation date. If the advertisement appeared recently, sort the list by installation time and remove all suspicious apps downloaded during this period. Hidden applications often do not have a name or icon, so look for empty lines in the list.
If you cannot visually find the culprit, use the "Battery Usage" function. Go to Settings → Battery → Battery Usage. An application that displays advertisements often consumes energy even in the background when you are not using it.
⚠️ Attention: If the "Delete" button is grayed out, it means that the application has device administrator rights. First, you need to revoke these rights in the section Security → Device Administrators.
Some users try to simply clear the cache, but this only gives a temporary effect. Complete removal of problematic software is the only reliable way to stop the flow of banners at the initial diagnostic stage.
☑️ Checking suspicious applications
Disable personalized advertising in the system
Even after removing viruses, the system Google and smartphone manufacturers continue to show recommendations. These are not viruses, but legal monetization built into the shell. To reduce the number of offers, you need to change your privacy settings.
Go to settings Google account. Find the "Advertising" section and click "Turn off ad personalization." This will not remove the banners completely, but will make them less relevant and annoying, since the system will stop analyzing your interests.
Smartphone owners Xiaomi, Samsung or Huawei should also check the system settings. In the menu Passwords and security → Privacy there is often an item “Receive recommendations”. Disable it to remove ads in folders and system applications.
After disabling personalization, it may take up to 24 hours for advertising networks to update your profile and stop targeting ads to your interests.
It is worth considering that the interfaces are different manufacturers differ. What is hidden in one menu on OnePlusmay be in a completely different section on Realme. Be careful when looking for switches.
Ad blocking via private DNS
One of the most effective and safest methods is using private DNS servers. This method does not require the installation of third-party apps and works at the network connection level, blocking requests to known advertising servers.
Starting with version Android 9, this function is built into the system. Go to Settings → Connection and sharing → Private DNS. Select the "ISP Host Name" mode and enter the blocker address.
dns.adguard.comAfter saving the settings, most banners in browsers and free applications will stop loading. This will significantly speed up the Internet and save traffic. The method works globally for all connections, including the mobile network.
| Blocking type | Efficiency | Setting complexity | Impact on battery |
|---|---|---|---|
| Private DNS | High | Low | Absent |
| Blocking applications | Maximum | Medium | Average |
| Manual removal | Depends on the virus | High | None |
| Airplane mode | Full | Low | Positive |
If the app stops functioning, try temporarily disabling DNS.
What to do if DNS does not work?
If after entering Internet address is missing, please check spelling. The address must be exactly dns.adguard.com without http:// or extra spaces. Also, some mobile operators may block third-party DNS, in which case the method will only work via Wi-Fi.
Clearing notifications in the browser
Often users themselves allow sites to send notifications by clicking “Allow” on the pop-up window. As a result, messages from news portals or stores are constantly hanging in the notification shade.
To fix this in Google Chrome, open the browser menu (three dots) and select Settings → Notifications. Here you will see a list of sites that are allowed to send push notifications. Disable all suspicious addresses.
A similar procedure is carried out in Yandex.Browser i Firefox. Find the "Sites" or "Notifications" section in the settings and clear the list of permissions. This will instantly remove spam from the top status bar.
If the site constantly asks for permission even after blocking, try clearing the site data. Go to Settings → Applications → Chrome → Storage → Clear data, but note that this will also delete saved passwords and history.
⚠️ Warning: Never click "Allow" on sites with questionable content. This is how malicious scripts gain the legal right to spam you with notifications that the system considers safe.
Use of specialized blockers
If system tools are not enough, you can install a powerful one adblock. Applications like AdGuard or Blokada create a local VPN tunnel on the device, filtering all incoming traffic.
Such apps require more careful configuration. After installation, you will be asked to allow the creation of a VPN connection. This is necessary for the filter to work, but there is no need to worry - the traffic does not go to third-party servers.
In the blocker settings, you can select filtering lists. It is recommended to activate the "Russian Ads" and "Mobile Ads" lists for maximum efficiency. You can also set up a white list for sites that you want to support.
The disadvantage of this approach is increased energy consumption, since the application is constantly running in the background. However, for older devices with slow Internet, this is often the only salvation from heavy advertising scripts.
Specialized blockers are more effective than DNS, since they can filter content within applications, and not just at the domain name level, but they require more system resources.
Radical measures and resetting settings
In cases where advertising is built deep into the system or is part of a difficult-to-remove virus; only a hard reset helps. This is an extreme measure that should be resorted to if other methods have failed.
Before performing the operation Hard Reset be sure to save all important data: contacts, photos and documents. The process will delete all information from the internal memory of the phone, returning it to its factory state.
Go to Settings → Recovery and reset → Reset settings. Confirm the action and wait for the reboot. After turning on, the phone will be as clean as it came from the store, and traces of malware will disappear.
After resetting, do not restore the backup copy of applications immediately. Install only the most necessary apps and observe the behavior of the system for several days. This will help you understand which application was causing the problem earlier.
An alternative to a hard reset
If you do not want to lose data, you can try booting into Safe Mode. To do this, hold down the power button, and when the power off icon appears on the screen, press and hold it. Only system applications work in safe mode, which will allow you to remove the virus without losing personal files.
Why do advertisements appear even after deleting the application?
Some viruses create hidden shortcuts or task schedulers that continue to work even after the main file is deleted. In this case, only cleaning through the computer using ADB or a complete reset helps.
Is it safe to use private DNS for banking applications?
Yes, using trusted DNS services such as AdGuard is safe. They only filter requests to advertising networks and do not have access to your payment information or passwords, since they do not decrypt HTTPS traffic.
Could advertising be a sign of a more serious hack?
Usually, pop-up windows are the result of the installation of low-quality free software, and not a targeted hacker attack. However, if money disappears from your account along with advertising, you should immediately change your passwords and contact your bank.
How to distinguish system advertising from viral advertising?
System advertising usually appears in certain places (folders, lock screen) and has a “close” or “settings” button. Viral advertising pops up chaotically, covers the entire screen and often does not have a close button, or the button leads to another site.