The sudden appearance of advertising banners on the desktop, screen locking or unwanted notifications is a common problem faced by owners of smartphones based on Android. This usually happens after installing a free application that contains a hidden adware, or when visiting unsafe sites. The user may notice that the device begins to work slower and the battery drains faster due to the background activity of malicious code.
To regain control of your gadget, you need to act systematically. In this article, we will analyze all the effective ways to eliminate advertising on an Android smartphone: from setting up built-in functions to using specialized software. You will learn to distinguish system notifications from viruses and find out which privacy settings will help protect you from intrusive marketing in the future.
Diagnostics of the source of annoying banners
The first step in the fight against advertising is to accurately identify the culprit. Often, users are not even aware of which application is causing the pop-ups. The culprit could be a recently installed flashlight or QR code scanner, or a long-forgotten game. Carefully analyze the installation history of apps over the past few weeks.
The easiest way to identify the problem is to observe the behavior of the system. If advertisements appear immediately after unlocking the screen or on top of other windows, this is a clear sign of malware. In such cases, you should go to the Settings → Applications section and sort the list by installation date. Look for apps without an icon or with a suspicious name consisting of a set of characters.
It is also worth checking the battery usage statistics. Advertising modules consume significant CPU resources even in the background. If you see an application that you haven't launched, but it is in the top for energy consumption, this is a serious cause for concern. Removing such software often solves the problem instantly.
- 🔍 Check the list of recently installed applications in the settings.
- 🔋 Examine the "Battery" section for abnormal energy consumption by unknown apps.
- 📱 Pay attention to the appearance of new shortcuts on the desktop without your participation.
- 🚫 Pop-up windows when closing other applications are a sure sign of an advertising virus.
Manual removal of malicious applications
If you have identified a suspicious app, the next step is its complete removal. The standard procedure is simple: hold down the application icon and drag it to the trash can or select “Delete” in the settings menu. However, some viruses disguise themselves as system processes or block the delete button, requiring administrator rights.
If the delete button is inactive, it is necessary to revoke administrator rights. To do this, go to Settings → Security → Device Administrators (the path may differ depending on the model Samsung, Xiaomi or Huawei). Uncheck the box next to the suspicious application, after which it will become available for uninstallation in the usual way.
Sometimes an application can hide under the guise of a system service with a name like “System Update” or “Wi-Fi Service”, but at the same time have a robot icon or be absent altogether. In the list of applications, turn on the display of system processes to see everything that is installed in memory. Be extremely careful and do not remove real components of the operating system, focusing only on the installation date and the name of the developer.
Before deleting an application, take a screenshot of the page with information about it. This will help you find the name of the virus on the Internet if standard removal does not work.
After removal, it is recommended to restart the device in safe mode to make sure that the advertisements no longer appear. To enter this mode, you usually need to hold down the power button, and then long press the “Power off” item on the screen until the corresponding notification appears. In safe mode, only system applications are loaded, which allows you to confirm the cleanliness of the system.
Blocking ads in the Chrome browser and others
Often the source of irritation is not viruses, but advertising networks in the browser. Built-in tools Google Chrome allow you to significantly reduce the number of pop-ups and redirects. To do this, you need to activate the built-in blocker, which filters intrusive ads that violate quality standards.
Go to your browser settings through the three-dot menu and find the “Site Settings” section. Here you are interested in the items “Pop-ups and redirects” and “Advertising”. Make sure both switches are in the Locked position. This will prevent the automatic opening of new tabs when you accidentally click on the banner.
It is also worth clearing the accumulated site data. The accumulated cache and cookies may contain scripts that cause advertisements to reappear even after the tab is closed. Go to Settings → Privacy → Clear history and select to delete cookies and cached images for all time.
| Settings option | Recommended value | Impact on advertising |
|---|---|---|
| Pop-up windows | Blocked | Blocks new tabs |
| Site notifications | Ask / Deny | Removes spam in the curtain |
| JavaScript | Allowed (with filter) | Leaves the functionality of sites |
| Autoplay | Forbidden | Stops video banners |
For more advanced users, it is possible to install extensions if the browser supports them, or use alternative browsers such as Brave or DuckDuckGothat have built-in protection against trackers at the kernel level. This eliminates the need to manually configure each setting.
☑️ Setting up browser security
Configuring private DNS for blocking at the network level
One of the most effective and invisible methods for the user is using private DNS with a filtering function. This method allows you to block advertising requests before they even reach your device, working at the level of the entire operating system, not just the browser. This is especially true for free games and applications.
Starting with version Android 9, the system has native support for this function. You don't need to install third-party apps or root. It is enough to register the address of a special server in the network settings. A popular and reliable option is the service AdGuard DNS.
To activate, go to Settings → Connections (or Network and Internet) → Other connection settings → Private DNS. Select the “DNS Provider Hostname” mode and enter the string dns.adguard.com. Save your settings. Now all requests to known ad servers will be blocked automatically.
⚠️ Attention: When using a third-party DNS, some services may not work correctly if they rely on specific advertising identifiers for authorization. If you notice problems logging into applications, temporarily disable this feature.
The advantage of this method is that it does not consume additional battery power, unlike blocker applications that constantly hang in the background. However, it will not be able to remove its own in-app advertising, which is loaded from the same domains as useful content. In such cases, deeper filtering is required.
Setting up Private DNS is the “golden mean” between efficiency and simplicity, which does not require installing additional software.
Using specialized blocking applications
If the built-in system tools are not enough, specialized utilities come to the rescue. The leader in this area is the application AdGuard. It creates a local VPN tunnel on the device through which all traffic passes, filtering it through a huge database of advertising domains and scripts.
Such applications do not require root access, which makes them safe for the average user. After installation, you will be asked to allow the creation of a VPN connection. This is necessary to intercept network requests. In the application settings, you can select the level of filtering: from light blocking to a strict mode, which can disrupt the operation of some sites.
There are also alternatives, such as Blokada open source. The principle of their operation is similar. It is important to download such apps only from official stores Google Play or from developer sites, so as not to install a fake, which itself will collect your data. Avoid dubious “cleaners” from unverified sources.
Why do blockers drain your battery?
Applications that use a local VPN to filter traffic are constantly active in the background. This can increase battery consumption by 5-10% per day, since the processor must process each network packet.
It is worth noting that free versions of such apps often have limitations. For example, they may not filter traffic in certain applications or display their own advertising. The full version usually does not have these shortcomings and provides access to extended lists of filters, including blocking trackers and analytics counters.
Banning notifications from spam sites
A separate type of advertising is push notifications that arrive in the notification shade even when the browser is closed. Users often accidentally click “Allow” on a site offering to test their Internet speed or win a prize. After this, the site gets the right to send you notifications endlessly.
To stop this flow, you need to go to your browser settings and find the “Notifications” section. There will be a list of all sites to which you have given consent. Study it carefully and delete or block all suspicious addresses. Usually these are sites with names like “News-update”, “Reward-club” or a set of random characters.
The Android system itself also has a general notification manager. Long-press the advertising notification that appears in the curtain and click “Disable” or the gear icon. The system will offer to block notifications from this source forever. This is a quick way to target a specific spammer without diving deeply into browser settings.
- 🔔 Press and hold the advertising notification in the curtain for quick access to settings.
- 🌐 Check the list of allowed sites in Chrome settings in the "Notifications" section.
- 🚫 Use the button “Block” for all unknown domains.
- 🧹 Clear the list of permissions regularly, as sites can change addresses.
⚠️ Attention: The notification settings interface may differ on smartphones from different manufacturers (MIUI, OneUI, ColorOS). If you cannot find the item in the browser, look for it in the general system settings in the “Applications” section.
Prevention and safe software installation
The best way to deal with advertising is to prevent it from appearing. Basic safety rule: download applications only from the official store Google Play. Although malware occasionally slips through there, the Google Play Protect system scans them much more efficiently than files downloaded from third-party forums or torrent trackers.
Before installing any application, carefully read reviews, especially recent ones. If users complain about pop-up ads, it is better to refrain from downloading. Also pay attention to the permissions requested: why does the calculator need access to contacts or a geotag? Such inconsistencies are a red flag.
Update your operating system and browser regularly. Developers are constantly closing vulnerabilities through which advertising networks can inject their code. Enable automatic updates in your app store settings to always have the latest version of protection.
Install an antivirus with web protection that will warn you when you go to dangerous sites that distribute adware.
Frequently asked questions (FAQ)
Why ads appear even after removal applications?
Perhaps there are several malicious apps left on the device, or the virus managed to install a hidden component that was not removed along with the main application. Also check the administrator rights and device list in your Google account.
Is it safe to use ad blocking applications?
Yes, if you download them from trusted sources such as Google Play or official developer sites (for example, AdGuard or Blokada). Avoid hacked versions of paid apps, as they often contain viruses.
How to remove ads on YouTube without a Premium subscription?
Officially, this is not possible. Third-party clients (for example, NewPipe or YouTube ReVanced) allow you to do this, but their installation requires downloading APK files from third-party resources, which carries certain security risks and may violate the terms of use of the service.
A factory reset will help remove all advertising?
A full reset to factory settings (Hard Reset) is guaranteed to remove all third-party applications and viruses. However, before doing this, be sure to back up your important data, as all information from the phone will be erased.
Does airplane mode help with ads?
Airplane mode turns off the Internet, so ads that require a network to load will not appear. However, this makes it impossible to use messengers and the browser, so it is not a solution to the problem, but only a temporary measure.