What should I do if my mobile phone is poisoned? Is it useful to restore the factory settings?

Judging from the pictures provided by the subject, it should be only the information on the webpage, not the mobile phone really poisoned. Under normal circumstances, if the mobile phone is really infected with a virus, how can it be disassembled casually? Viruses are not so easy to deal with. So how to judge whether the mobile phone is infected with a virus?

First, identify whether the mobile phone is poisoned.

1, poor performance of mobile phone.

If malicious software is downloaded on the mobile phone, it will consume storage space in the background and affect the performance of the mobile phone.

2. Cell phone calls are interrupted for no reason.

When the phone is often disconnected during the call, but the signal is good, it is likely to be infected with a virus.

The telephone bill has increased.

If the phone bill increases abnormally, it may be that malicious charging software has been downloaded on the mobile phone.

Second, the solution

For some simple malware, you can disinfect yourself first to see if you can solve it. Virus killing can be carried out through the security housekeeper that comes with the mobile phone, and third-party antivirus software can also be installed.

If the problem cannot be solved, try to restore the phone to the factory settings and uninstall the software. However, this method also has risks. If the important data on the mobile phone is deleted, it needs to be recovered by the mobile phone data recovery software.

However, the above methods are only aimed at common viruses. If the problem cannot be solved after the factory settings are restored, you need to brush the machine.

Third, prevention methods.

Once the mobile phone is infected with virus, it will be very troublesome. Therefore, in the process of normal use, we must first take preventive measures. Kill danger in the cradle.

1. Don't randomly scan the QR code.

At present, the QR code is flooding, and you can "sweep" wherever you go. However, we must be cautious about some unknown QR codes, especially some promotional activities, and don't scan them easily.

2. Download the software from the regular website.

Software is the best place to hide drugs. Download software must go through formal channels, and don't download it online at will.

3. Don't connect to WiFi at will.

Don't connect unknown WiFi at will. Turn off the WiFi function when the mobile phone is used up, so as not to connect to the password-free WiFi and fall into the trap.

Finally, if the important data of the mobile phone is lost due to the virus, you can find it through the mobile phone data recovery wizard.

First, determine whether the mobile phone is poisoned. Generally speaking, the common symptoms of mobile phone poisoning include automatic restart, automatic shutdown, automatic multimedia message, power consumption, slow response, loss of some files, slow operation of software and system, and so on.

If you find the above symptoms, please download the mobile phone antivirus software immediately for killing. Be sure to download it in official website. After installing anti-virus software, update the virus database to the latest, and then conduct a comprehensive scan. If there is a virus, you will be prompted to delete it. After all scanning is completed, please restart your phone and scan again to completely remove the virus on your phone.

Secondly, if the symptoms of the mobile phone are still not improved after the above treatment, it is recommended to restore the factory settings and check the formatted memory card. Tip: Be sure to make a backup before restoring the factory settings!

If the virus is still not cleared after the factory settings are restored, it is recommended that the mobile phone be double-cleared! How to double clear: When the phone is turned on, it will enter the recovery mode. Generally, an Android phone can enter the recovery mode by pressing the volume "-"and the power button. Huawei emui should press and hold the volume up button, volume down button and power button at the same time, and release the power off button after the mobile phone vibrates (the volume up button and volume down button continue to be pressed).

After entering, there are the following two lines:

Erase data/factory reset

Erase cache

The volume of the partition is selected up and down, and the power key is determined.

(The difference between double clearing and restoring factory settings:

1, double clearing refers to clearing the user data and things stored in the mobile phone, which can effectively improve the running speed of the mobile phone. Double clearing of mobile phone means entering the recovery mode of mobile phone. Clear the mobile phone data. Clear the cached data of the mobile phone.

2. Restoring the factory settings is to restore the mobile phone to the state when it was just bought. The software settings in the mobile phone were restored to the factory, and later the settings were cancelled. But the contents of the memory card are still there.

3. Double clearing refers to the double clearing operation (clearing the mobile phone cache and personal information) before brushing the machine. Most mobile phones should be double-cleared before brushing, because the data left in the system is likely to lead to brushing failure. In addition, except for some data downloaded from your SD card, all system files will be modified into new systems, so even if they are preserved, it is meaningless, but it will increase the danger to the computer.

4. Restoring the factory settings of the mobile phone is an operation in dual Wipe, which formats the data partition, cache partition and mobile phone memory card. However, it is mentioned separately here because restoring the factory settings of mobile phones is not only a double-clearing step, but also a good helper to solve small and medium-sized problems in daily use of mobile phones.

Restoring the factory settings of the mobile phone will restore the mobile phone to the state when it was originally purchased. Therefore, if the mobile phone does not damage the system files, this method can solve the mobile phone failure caused by software problems after obtaining the mobile phone. )

Finally, if the virus is still not removed after double cleaning, you can only brush the machine! Official website, a general brand mobile phone, will have corresponding brush package, brush tool and brush tutorial. Just follow the tutorial! I once encountered this stubborn virus, which was really troublesome! It is better to plan ahead!

Fan measures include:

1, hide or turn off the Bluetooth function of the mobile phone to prevent the mobile phone from automatically receiving viruses;

2. Don't download software of unknown origin to your mobile phone;

3. Do not install the installable files sent by MMS or Bluetooth;

4, it is best to install anti-virus software for mobile phones;

5. Pay attention to prevent virus infection when using SD card, T-FLASH and other memory cards to exchange data;

6. Ensure that the source of information is reliable when downloading information;

7. Always back up the phone book and important information in your mobile phone to prevent it from being lost after being infected with the virus;

8. Pay attention to the news reports of the latest mobile phone virus and preventive measures (2) For infected mobile phones, it is recommended to refresh the mobile phone and install anti-virus software.

All right! Let me answer!

Is the mobile phone poisoned? What system is the mobile phone? ios？ Android? windows phone？

Or other operating systems?

Distinguish the infected areas;

1. If a virus or malware infects the application and the rom (pre-installed part of the operating system) of the mobile phone is not modified, you can delete the virus infection by restoring the factory settings and formatting other partitions!

2. If the system file is infected and the rom information is modified, I'm sorry, it's useless to restore the factory settings, but it's also infected after reset! Unless you brush the machine!

3. If the storage space is infected, it is the same as the storage space of SD card and MMC card, just format the partition!

Summary: If your mobile phone is infected, use the mobile assistant to export important information such as phone book, photos and text messages! Then go to the mobile phone official website or use the official software to force the brush!

And install antivirus software to kill viruses!

Cell phone poisoning is caused by Trojan horse software secretly downloading high-memory malicious software in the background, and the most common is the crash. At this time, the factory settings are restored, and the network can only be disconnected at most, and the memory cannot be cleared. The Trojan software still exists. Download 360 mobile guards to the sd card with other mobile phones, then insert the sd card with the installation package into the mobile phone with Trojan software and click Install (the mobile phone must have root permission), and then use 360 guards to kill Trojan and uninstall. If you can't uninstall Trojan software, use 360 mobile phone first aid kit to uninstall Trojan software, and the effect is the same as 360 Guardian.

Android phone viruses generally "infect" APK's Dex file, that is, write malicious code into Dex. When the Dex file is executed, the malicious code will be executed together to complete the corresponding task. For example, hacking is to execute a piece of code, start the virus subject to reside in the background, and then the virus subject records the virtual keyboard input and sends it to the corresponding mailbox to realize hacking.

Generally speaking, if the mobile phone doesn't have root, then the APP that comes with the mobile phone is saved in the /system/APP/ folder. The APK file in this folder can only be displayed and run with specific permissions, so it won't be "infected" by the virus, so in this case, the virus can be removed by restoring the factory settings.

If the mobile phone is root, the third-party APP will have the right to write the file directly to /system/APP/ destination. If the virus body contains the process of trying to copy the built-in APP, copying it again after modification, and modifying it to specific permissions, then the files that come with the system, such as camera, alarm clock, weather and even input methods and settings, may be "infected", so it is useless to restore the factory. (Restoring the factory just empties the user data, caches the data, and the user installs the APP. In this case, the virus can only be removed by repainting the factory firmware.

Suggestion: Ordinary users usually use the third-party software root mobile phone. After relevant operations, they can use the root removal function of these softwares to restore the relevant permission restrictions of mobile phones, and then obtain them when necessary to prevent the system partition from being "infected" by viruses.

First of all, the screenshot of the landlord is "fake poisoning", which will happen in the promotion of mobile phone security software.

What will happen if it is really poisoned?

1. There are several apps on the mobile phone desktop for no reason, which will automatically appear after being deleted.

The phone bill in the mobile phone is gone.

3. The mobile phone is obviously stuck, and advertisements appear at the same time, especially there are many inexplicable advertisements in the notification bar.

The mobile phone is poisoned, how to solve it?

1. Take out your mobile phone card first to avoid malicious charges. Secondly, it is useless to restore the factory settings, because the virus has been implanted into the system through root privileges. Even if you restore the system and then turn it on, as soon as you connect to the network, the system will automatically download all kinds of messy apps, which will give you a headache.

Since it is useless to restore the factory, what should we do? Brush machine! Most of this problem can be solved by wire brush. Brush the official package of this mobile phone model, 100% can solve the problem.

For example, someone bought a Xiaomi mobile phone cheaply and found that this MIUI actually has many built-in apps that cannot be deleted. This is an unofficial system. You need to go to MIUI official website and choose to upgrade by line brush, so that the previous system can be completely removed.

There are also some Meizu mobile phones on the market that are modified. How can we restore them to the official system at this time?

Go to official website to download the system package of the corresponding model, put it in the root directory of the mobile phone, and then turn off the mobile phone.

Press and hold the volume+and power button to start the brush mode, and check and clear the data.

I'm Brother Yang. Ask me some questions about mobile phones.

What should I do if my mobile phone is poisoned? Is it useful to restore the factory settings? If it is a virus in the memory area or memory card, it is good to restore the factory settings. There is a virus in the system area, so it is useless to restore the factory settings. Let's share the solution of Chinese virus. Take Android phones as an example.

A solution to virus in mobile phone memory area and memory card.

1 Back up the files of the mobile phone, use the anti-virus software that comes with the mobile phone, or use the third-party anti-virus software to scan. If there is a virus in the scan, please add trust. If there is no trust, there is no virus in software management. Then uninstall. It's not easy to move on to the next step.

Format the memory card and delete all files in the mobile phone file management. There are no system components here, which has no influence on the mobile phone system. It's not easy to move on to the next step.

System area virus solution.

1 Turn off the phone. Press and hold the power button and volume down button for a few seconds, enter the recovery mode, select Erase All Data, then select Erase Data/Restore Factory Settings, forcibly restore the factory settings, and then select Restart.

If not, go to a professional.

This is the solution to cell phone poisoning.

For reference only. * * * Study together.

I focus on mobile phones, computers and sound cards.

In order to gain more mobile phone knowledge, mobile phone knowledge and computer knowledge, please pay attention.

Restoring factory settings is useful for most mobile phone viruses, but some mobile phone viruses with ROOT permissions will install themselves into the system partition and become invalid. For this kind of virus, you need to give anti-virus software or a special killing tool root permission to remove the virus that can't be removed by ordinary permission before. Sometimes, if the removal fails, you can only refresh the machine.

And killing a mobile phone virus will clear the data and restore the factory settings. It takes a long time to recover data and software settings. It's not worth doing. It's like a person taking some medicine when he is sick. You have to give him a knife.

It is generally useless, because the virus in the mobile phone is usually automatically obtained from the root authority, implanted into the system, and can only be removed by re-brushing.

In other words, viruses that can be removed by restoring factory settings can also be manually uninstalled, or antivirus software can be removed without restoring factory settings.