Bitcoin virus in public security network

1.

The virus in the "bitcoin virus" incident is known as "ransomware". By encrypting the files in the victim's computer, you can't open them completely to ask for ransom. This is a virus attack launched by lawless elements by using "eternal blue" leaked from NSA hacker's weapon library. It does not need any operation of users. As long as it is turned on and connected to the Internet, lawless elements can implant blackmail software into computers and servers

What's more terrible is that this is just the beginning. Now this blackmail virus has spread to all over the world, including many colleges and universities in China. You can see many students on the Internet showing pictures of their computers being attacked. I have to say that hackers are really well intentioned, even in simplified Chinese

2.

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

3. In case of computer poisoning or Trojan horse, it is suggested to kill the virus quickly.
it is suggested that the building owner download and install Tencent computer housekeeper to kill the virus,
restart the computer, press F8 to enter the safe mode - Open Tencent computer Housekeeper - lightning anti-virus - full scan - restart the computer.
Tencent computer housekeeper is an anti-virus software
Tencent computer housekeeper anti-virus management two in one, 16 layers of real-time protection, with xiaohongsan, Jinshan and other four virus search engines, can timely intercept phishing websites and Trojan viruses
it takes up less resources and does not affect the owner's office and entertainment.

4. Now it doesn't matter, there is a solution
1, you can install a computer Housekeeper on the computer
2, and then open the toolbox, you can see a fix vulnerability
3, it can automatically identify your computer's not installed vulnerabilities, including eternal blue, and then fix it

5. Wannacry blackmail virus prevention methods:

1. Install the latest security patch for the computer. Microsoft has released patch ms17-010 to fix the system vulnerability of "eternal blue" attack. Please install this security patch as soon as possible; For Windows XP, 2003 and other machines that Microsoft no longer provides security updates, we can use 360 "NSA Arsenal immunity tool" to detect whether there are vulnerabilities in the system, and close the ports affected by the vulnerabilities, so as to avoid being infringed by blackmail software and other viruses

2. Close ports 445, 135, 137, 138 and 139, and close network sharing

3. Strengthen the awareness of network security: don't click the unknown link, don't download the unknown file, don't open the unknown email...

4. Back up the important files in your computer to the mobile hard disk and U-disk as soon as possible (regularly in the future), and save the disk offline after the backup

5. It is recommended that users who are still using Windows XP and windows 2003 should upgrade to Windows 7 / windows 10 or windows 2008 / 2012 / 2016 as soon as possible.

6. From last Friday, a new proct called & quot; WannaCry" The blackmail virus is rampant all over the world.