Bitcoin blackmail virus Chengdu

1. Wannacry (also known as wanna decryptor), a kind of "worm like" blackmail virus software, with a size of 3.3mb, is spread by criminals using the dangerous vulnerability "eternal blue" leaked by NSA (National Security Agency)
the malware will scan the TCP 445 port (server message block / SMB) on the computer, spread in a worm like way, attack the host and encrypt the files stored on the host, and then ask for ransom in the form of bitcoin. The amount of extortion ranged from $300 to $600
on May 14, 2017, a variant of wannacry blackmail virus appeared: wannacry 2.0, which cancelled the kill switch and spread faster. As of May 15, 2017, wannacry has caused cyber attacks in at least 150 countries, which has affected the financial, energy, medical and other instries, causing serious crisis management problems. Some windows operating system users in China are infected. Campus network users bear the brunt of the infection. A large number of laboratory data and graation projects are locked and encrypted.

2. The device that has been infected with the virus is reinstalled. Delete all disks and recreate them

3. In short, blackmail virus is a computer virus that uses Windows system vulnerability to maliciously encrypt user files and then extort money

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(3) in view of the current technical means, if blackmail virus can not be solved, it can only be completely formatted, Then, the system is reinstalled and the system vulnerability patch is made to prevent the secondary poisoning

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4.

Once the computer is infected with this bitcoin blackmail virus, all the file data on the computer will be forcibly encrypted. If it is not delivered in the form of bitcoin to the virus maker & lt; Ransom;, Then these files can't be decrypted and retrieved. Even if the ransom is paid this time, they may be decrypted next time; Patronize & quot& mdash;& mdash; That is to say, this virus is very important to & lt; Pay attention to data & quot; It's hard to estimate the harm that can be caused by the users, especially the enterprise users

How to avoid the harm of bitcoin blackmail virus< p> As soon as bitcoin blackmail virus came into being, it immediately caused an uproar around the world. Major network security organizations and well-known anti-virus software began to pay attention to this problem

there is a lot about & lt; Manually set the firewall to close the sensitive port of the computer, so as to resist the bitcoin blackmail virus; But this kind of method is more suitable for those who know computer better; Non white people;, For example, for a third rate programmer like me, this method is more suitable for me. I can't even use antivirus software

but for the general public, it may be necessary to deal with it in a simpler way

it has been several years since the advent of bitcoin extortion virus. In order to help users' computers fight against bitcoin extortion virus attacks, many anti-virus software have certain defense mechanisms. For example, 360 launched a & lt; Anti blackmail service;, If your data is encrypted by bitcoin extortion virus when 360 is installed on your computer, 360 will compensate for your ransom and recover your data

users who don't know how to use computers can choose to install anti-virus software to defend you against such viruses, but it depends on their hobbies to choose which one

5. The state has closed all digital currency trading platforms, which are not safe. As long as the Ministry of commerce does not have certification, they are not formal!

6. Hello, the anti wana series of blackmailer Trojans introced on the Internet are as follows: first, download and patch to fix the system vulnerability in time; Then close 445 and other ports of network access, this is very important, can greatly prevent the invasion of the blackmailer Trojan horse, specific settings can be found online tutorial, a lot of. Finally, anti-virus software. Generally, our computers don't have anti-virus software. Take Tencent computer housekeeper as an example: turn on the housekeeper's active defense system. It can provide vulnerability defense, active interception, document protection, three layers of security protection, and file black detection, and prompt users to patch and repair vulnerabilities in time. I hope my answer can help you.

7. 1、 Before being infected with the virus, you must regularly backup and save the important things in the computer. It's better to prepare another hard disk for regular backup.
2. After being infected with the virus, it's recommended to report to the public security organ immediately for the record, and it's better not to go to the prefecture level or above, county level or below, because as far as I know, many county-level organs are often overstaffed, What is more important is that they basically do not have the relevant technical processing ability and conditions, and many cases may have to be transferred to the higher authorities. As for how the police deal with it, it's out of the question
Third, prepare a new computer. This is the best way to minimize the loss. Never smash the computer or deal with it separately. Instead, you should listen to the arrangement of the police, because if the police are responsible, they may take this as a clue to carry out new detection. On the one hand, it is also a way to eliminate harm for the public, and on the other hand, it may bring some compensation for the loss

8.

The unified telephone number of Xi'an social security center is [029-12333]. Its address is 28a, Jiangong Road, Xi'an city. In addition, the customer service hotline is [029-12333]. The specific office telephone number is [029-82284660]. The working hours of the social security center are relatively fixed, generally [8:30-12:00 in the morning] and [14:00-18:00 in the afternoon], and generally rest ring holidays
there are many bus routes in the social security center. You can take bus No.37, 208, 227, 228, 242, 351, 526, 700 and 702 to Dongxin City Garden Bus Station and walk 160 meters

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