Xiaomi smartphone owners often face intrusive advertising, but sometimes it hides a real threat in the form of malicious software. If your device starts spontaneously opening applications, quickly discharged or overheating, this can be a sign of infection. Unlike standard system failures, viruses require immediate intervention to preserve personal data.
Android operating system, on the basis of which the HyperOS shell or MIUI, It has built-in security mechanisms, but they don't always deal with new threats. APK-files from unverified sources, which opens the way for Trojans and spyware. It is important to understand the difference between system advertising and viral activity to choose the right method of cleaning.
In this article, we will look at all the steps in diagnosing and removing malicious code, how to use embedded antivirus, third-party utilities and radical reset methods. It is critical not to ignore the first symptoms of infection, since modern viruses can block access to banking applications. Let's analyze the algorithm of actions that will help to restore the gadget clean and fast.
Symptoms of infection and primary diagnosis
The first sign of a problem is often the appearance of banner ads on the desktop or in notifications, even when the browser is closed, which indicates that the system is active process that is not part of standard Xiaomi software, and it is worthwhile to be alert if the phone begins to heat up in idle mode or the battery is consumed abnormally quickly.
To do the initial check, you need to analyze the list of installed applications, and often malware is disguised as system processes or utilities with neutral names like "Update Service" or "Flash Player".
- 📱 Sharp drop in performance and the appearance of interface freezes.
- 🔋 Unexplained battery consumption by background processes.
- 🌐 Spontaneous opening of browser tabs with advertising content.
- 🔒 Locking the screen with the requirement to unlock through SMS.
Pay attention to application access rights. If a simple calculator or flashlight requires access to contacts, microphone and geolocation, this is a clear alarm. In modern versions of MIUI 14 and HyperOS, the security system highlights such requests, but the user may accidentally miss them.
⚠️ Warning: If you have a window on your screen demanding you pay a fine or unlock your device, do not enter your card details. This is a classic sign of a blocker virus that is solved by remote reset.
Use of built-in security scanner
Each Xiaomi smartphone preinstalled the application "Security", which is based on the engines of antivirus Avast or AVL. This tool is able to detect most known threats without installing additional software. To start a deep scan, you need to open the application and press the button "Security Check".
The analysis process takes several minutes and not only checks the installed APK-If a threat is found, the system will prompt the immediate removal of the malicious object or move it to quarantine.
Sometimes a standard scanner may not detect complex scripts embedded in legitimate applications, in which case it is recommended to update the antivirus databases through the Security settings.
- 🛡️ Automatically check installed applications from unknown sources.
- 🔍 Deep scanning of memory and cache of the system.
- 🚫 Blocking dangerous websites and phishing links in the browser.
Once the check is complete, be sure to restart the device, which will allow the system to correctly complete the deletion processes and clear the RAM of the residual virus files.
☑️ Algorithm of verification with built-in antivirus
It is worth noting that regular use of the built-in scanner creates a basic level of protection, but for complete confidence in the purity of the system, especially after installing software from third-party resources, it is better to use specialized solutions.
Removing viruses through safe mode
If the virus interferes with the normal operation of the smartphone, blocks settings or prevents you from removing yourself, you need to go to Safe Mode. In this state, only Xiaomi system applications are launched, which allows you to access the control of the device. To enter, you usually just need to press the turn off button on the screen, and then (hold for a long time) the item "Switch off power" on the pop-up window.
While in Safe Mode, go to Settings → Apps → All Apps. Carefully review the list. Malware often doesn’t have an icon or is hidden under the names of system processes. If you see an application that you can’t uninstall in normal mode, now is the time to do so.
Once you delete suspicious files, you need to exit Safe Mode, just reboot your phone in the normal way, and the system will return to normal operation, but without running viruses.
| Type of threat | Symptoms. | Deleting method | Difficulty |
|---|---|---|---|
| Advertising module | Pop-ups | Deletion of the annex | Low. |
| Trojan-styler | Password theft | Safe mode + reset | Tall. |
| Miner | Overheating, lags | Third-party antivirus | Medium |
| Banner-blocker | Screen locking | Hard Reset | Tall. |
⚠️ Warning: Some media and network functions are not working in Safe Mode. Don't worry if the Internet stops working - this is normal behavior for data protection systems.
How do you get out of safe mode?
Application of third-party antivirus solutions
When built-in tools are scarce, specialized antivirus software from well-known vendors such as Kaspersky, Dr.Web, or Malwarebytes come to the rescue, and these programs have more extensive signature bases and are able to find hidden threats that a standard MIUI scanner misses.
Installing a third-party antivirus requires you to provide advanced access rights. In the Settings menu → Applications → Permissions, you need to activate the option “View Actions” or “Access to Use” to allow the program to analyze the behavior of other applications in real time and block suspicious activity.
Once installed, run a full system scan. Modern antivirus software also offers an "anti-virus" feature that allows you to remotely lock your device or erase data in the event of a theft, a useful additional tool for protecting personal information.
- 📲 Dr.Web Light is effective against complex Trojans and ransomware.
- 🛡️ Kaspersky Internet Security – comprehensive protection and anti-phishing.
- 🧹 Malwarebytes – specializes in removing adware and spies.
They can conflict with each other, causing system instability and rapid battery drain. Choose one reliable solution.
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Before installing the antivirus, turn off the Internet so that the virus does not have time to download additional modules or send your data to the server of attackers during the scan.
Radical methods: complete resetting of settings
If none of the softer methods work, the only guaranteed way is a full reset to factory settings (Hard Reset), which completely destroys all data on the device, including viruses, photos, contacts and applications. So make sure to back up important files in the Google Drive cloud or on your computer.
To perform the reset via the menu, go to Settings → About Phone → Reset. Select “Erase All Data.” The system will alert you to the irreversibility of action. Once confirmed, the phone will restart and begin the cleaning process, which can take from 5 to 15 minutes.
If the virus blocks the menu, you can reset via Recovery mode. Turn off the phone and press the power and volume buttons at the same time. In the menu that appears, select Wipe Data using volume buttons and confirm the action with the power button.
⚠️ Warning: After resetting, the phone will look like new.Make sure you remember the password from your Mi Account and Google account, otherwise the device may not be possible due to security FRP.
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A full Hard Reset removes 99.9% of all known viruses, as it erases the entire user data section where the malicious code is based.
Once the procedure is complete, the device will request an initial setup. Don't rush to restore all applications from backup at once. First, check the phone's "clean" to make sure there are no problems.
Prevention and protection of Xiaomi devices
To avoid future virus problems, you need to be digitally hygienic, and the rule is not to install applications from unknown sources. APK-files from the browser or messengers without your express permission.
Update your operating system regularly. Xiaomi releases security patches that close vulnerabilities used by hackers. You can check for updates in Settings → About the phone.
It is also recommended to disable advertising in the system so as not to confuse system banners with viral ones. To do this, in the "Security" application and the settings of each system application (Music, Explorer, Downloads), you need to find the "Receive recommendations" switch and turn it off.
- 🔒 Use complex passwords and two-factor authentication for accounts.
- 🚫 Do not connect to unsavory open Wi-Fi networks without VPN.
- 📥 Download apps only from the official Google Play store or GetApps.
Compliance with these simple rules will minimize the risk of infection.Your Xiaomi smartphone will remain fast and safe throughout its life.