Xiaomi Virus: 7 Steps to Delete and Protect Your Phone

Xiaomi smartphones based on MIUI or HyperOS are not immune to viruses, despite the built-in protection mechanisms. If your phone starts to slow down, show suspicious advertising or spontaneously open applications, these are clear signs of infection. Unlike computers where antivirus work steadily, on Android, the situation is more complicated: many “cleaners” themselves are recognized as malware, and system restrictions prevent deep verification.

In this article, we will take specific steps to help identify and remove the virus on Xiaomi without risking data loss or locking the device.We will discuss both standard methods (through Safe Mode and Reset) and advanced methods (using the use of secure mode and reset). ADB We will also focus on hidden threats in firmware from third-party developers, who often masquerade as “optimized” versions. MIUI.

Signs of infection: how to recognize the virus on Xiaomi

Android viruses rarely behave as obvious as they do on a PC, and instead of locking the screen or encrypting files, they are more likely to disguise themselves as system processes.

• 📱 Advertising in unexpected places: banners on top of other apps, pop-ups with a suggestion to “optimize your phone” or download unknown apcs.
• 🔋 Fast battery discharge (more than 20% per hour on standby) in the absence of active tasks. → Battery → Battery use – unknown processes with high consumption (e.g., com.android.system with a non-standard name).
• 📡 Suspicious traffic: the phone transmits data in the background (checked in Settings) → SIM-maps and mobile networks → Traffic: Viruses often leak information to remote servers.
• 🔄 Self-involved actions: sending SMS, installation of applications, changing settings (for example, changing wallpaper or language).

It is especially dangerous if symptoms appear after:

• 📲 Installations APK from unknown sources (including hacked games or mods) MIUI).
• 🔌 Public Wi-Fi connections (such as at cafes or airports).
• 🔧 Root or unlock the bootloader – this opens access to system files.

⚠️ Note: Some "symptoms" may be due to failures in the MIUI. For example, advertising in standard applications (such as Browser or Music) is not a virus, but a feature of the firmware.

Step 1: Getting to Safe Mode – How to Isolate the Virus

Safe Mode only downloads system applications, blocking all third-party applications, which will help you understand whether the problems are due to a virus or a MIUI failure.

How to run Safe Mode on Xiaomi:

1. Press the power button until the shutdown menu appears.
2. Press and hold the "Switch off" (or "Switch off power") option until a request to go to Safe Mode appears.
3. Confirm action. The phone will reboot with "Safe Mode" at the bottom of the screen.

In this mode:

• 🔍 Check if the symptoms (advertising, brakes, strange traffic) have disappeared.
• 📱 Remove suspicious apcs through Settings → Annexes → App management: Pay attention to programs with unknown developers or strange permissions (e.g. access to the app). SMS geolocation).

⚠️ Warning: Some features (such as fingerprint or Face Unlock) are not working in Safe Mode.Do not try to update your firmware or reset your settings in this mode - this may cause a crash.

Step 2: Manually remove viruses through settings

If the virus doesn’t block access to settings, try removing it manually. On Xiaomi, this is done through the app menu and device administrators.

Instructions:

1. Open Settings → Applications → Application Management.
2. Click on the three dots in the upper right corner and select "Show System Processes".
3. Sort the list by installation date ("Last") - viruses are often masquerading as fresh updates.
4. Check for apps with suspicious names (e.g. com.android.system.update, FlashPlayer, CleanMaster).Click on them and select "Delete" or "Disable".

If the deletion button is inactive:

• 🔐 Go to Settings. → Passwords and security → Device administrators and uncheck the checkmarks from unknown apcs.
• 🛡️ Check the Special Features section - some viruses are registered there as "Availability Services".

For advanced users, if the virus is hidden under a system application (e.g. com.qualcomm.atfwd), it can only be removed via ADB or reset to factory settings.

Step 3: Using ADB to remove systemic viruses

ADB (Android Debug Bridge) is a debugging tool that lets you control your phone through a computer, and it will help you remove viruses that masquerade as system applications and are not removed by standard methods.

What you need:

• 💻 Computer with Windows/Linux/macOS.
• 🔌 USB-cable (preferably original).
• 📦 Google's Platform Tools (includes) ADB fastboot).
• 🔧 Included debugging by USB on the phone (Settings) → The phone. → Version. MIUI → 7 times press to activate the developer mode, then Settings → Additionally. → For developers → Debugging by USB).

Step-by-step:

1. Connect your phone to your computer and confirm your trust in the device.
2. Open the command line (or Terminal) and type:

adb devices

If the phone appears in the list, follow the command to remove the virus packet (e.g. com.virus.app):

adb shell pm uninstall -k --user 0 com.virus.app

To remove the administrator rights of the virus:

adb shell dpm remove-active-admin com.virus.app/.AdminReceiver

⚠️ Note: Do not delete Xiaomi system packages (e.g. com.miui.home or com.android.settings) – this will cause your phone to fail.

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If you do not know the name of the virus packet, use the command adb shell pm list packages | grep "suspicious", where "suspicious" is part of the name (for example, "update", "flash", "clean").

Step 4: Resetting to factory settings is a last resort

If the virus is deeply integrated into the system and not removed by other means, only a full reset remains.This will remove all data from the phone, including photos, contacts and applications, so make a backup first.

How to reset Xiaomi to factory settings:

1. Go to Settings → About the phone → Reset settings.
2. Select "Erase all data."
3. Enter the password (if installed) and confirm the action.
4. Wait for the process to be completed (it will take 5-15 minutes).

If the phone is blocked by a virus and does not allow you to open the settings:

• 🔄 Turn off the device, then press the power button. + Volume up to enter Recovery Mode.
• 📛 Select "Wipe Data" (manage by volume and power buttons).
• 🔄 Confirm the reset and restart the phone.

⚠️ Warning: After a reset, do not restore data from a backup created after an infection - the virus can come back. Use only copies made before the problems appeared.

Step 5: Flashing the phone – if the virus is in the system

In rare cases, viruses are introduced into the MIUI firmware itself (for example, through modified versions from third-party developers), in which case only a complete flashing through the Mi Flash Tool will help.

What you need:

• 💻 Windows computer.
• 📦 Official firmware for your model (you can download it on the Xiaomi website).
• 🔧 The Mi Flash Tool.
• 🔌 Unlocked bootloader (if you are running the unofficial version).

Step-by-step:

1. Unpack the firmware (file with.tgz extension) in a folder without Cyrillic characters.
2. Launch the Mi Flash Tool, press "Select" and specify the path to the firmware folder.
3. Turn off your phone and press the power button + volume down to log into Fastboot Mode.
4. Connect the phone to your computer and press "Refresh" in the Mi Flash Tool.
5. Select the "Clean All" mode and press "Flash".

It takes 5-10 minutes, and when it's done, it'll reboot to the clean system.

⚠️ Note: Fastboot flashing will reset all data, including IMEI and DRM-If you are not sure about your actions, contact the service center.

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Flashing over the Mi Flash Tool is the only way to remove viruses embedded in MIUI system files, but it also voids the warranty if the bootloader has been unlocked.

Step 6: Protecting Xiaomi from viruses in the future

Removing the virus is half the battle, and to avoid re-infection, follow these rules:

• 🛡️ Disable the installation from unknown sources: Settings → Annexes → Special access → Installation of unknown applications → Turn off permission for all browsers.
• 🔍 Use the built-in security scanner: MIUI have your own antivirus (security) → Run it once a week.
• 📱 Update the firmware: Xiaomi regularly closes vulnerabilities in the MIUI. Check for updates in Settings → The phone. → Updating the system.
• 🔒 Do not use root: Unlocking root rights opens access to system files, which makes it easier for viruses to do the job.
• 🌐 Careful with public Wi-Fi: Do not enter passwords or download files on open networks. VPN (for example, built-in MIUI).

For additional protection, install one of the proven antiviruses:

Avoid “optimizers” and “cleaners” like Clean Master or DU Speed Booster – these are often recognized as malware.

Frequent questions about viruses on Xiaomi