leather jewelry wholesale usa Why don't hackers invade the Bitcoin system directly

wholesale jewelry district bangkok According to the analysis of the 360 ​​Security Center, the campus network ransomware was transmitted by the "Eternal Blue" hacker weapon leaked by NSA. "Eternal Blue" can remotely attack port 445 (file sharing) of Windows. If the system is not installed in March this year's Microsoft patch, it does not need to be operated by users. , Plant ransomware and other malicious procedures.nDue to the many times in China, the worm virus transmitted by port 445 times, some operators sealed port 445 ports to individual users. However, there is no such limit for the Education Network. There are a large number of machines exposed to port 445, so it has become the hardest hit area for criminals to use NSA hackers. At the time of college graduation season, the extortion virus has caused some of the papers of some fresh graduates to be tampered with, which directly affects graduation defense.nAt present, the ransom virus disseminated by "Eternal Blue" is mainly on the two families of ONION and WNCRY. The disk files of the victim machine will be tampered with the corresponding suffix. All kinds of materials such as pictures, documents, videos, compression packages cannot be opened normally normally Only pay the ransom can we decrypt and recover. The two types of ransomware are 5 Bitcoin and $ 300, respectively, equivalent to more than 50,000 yuan and more than 2,000 yuan, respectively.n360's monitoring data on campus network ransomware incidents show that the first domestic virus appears in China, with an average attack of about 200 times per hour. Global attacks have spread rapidly on the Chinese campus network, attacking about 4,000 times per hour during the night peak.nSafety experts have found that onion ransomware will also spread with mining machines (operations generated virtual currencies) and remote control Trojan groups to form a Trojan horse virus "big gift package" that integrates mining, remote control, and extortion. High -performance server mining is profitable, and ordinary computers will encrypt files to extract money to maximize the economic value of the victim machine.nFor the Windows system vulnerability used by NSA hackers, Microsoft has released patches for fixation in March this year. Previously, the 360 ​​Security Center has also launched the "NSA Weapon Library Immune Tool" (download connection: DL/NSA/NSATOOL/NSA/NSATOOL.EXEn nAs long as you open your computer to connect to the Internet hacker, you can invade your computer without any operation. After the invasion, he will encrypt your computer file and then pop up the extortion window for you, indicating that you will decrypt you as long as you deliver the ransom. If you do it at night or not, they will completely delete your files. This virus has no other harm to the computer, but the hacker threatened to break the password if he did not pay the money!nTherefore, if there is a user in the computer, it is recommended to use the U disk to back up the important files with a U disk without connected. Back up the patch prevention work for the next step!nWhat to prevent Bitcoin virus needs to be done:n1. Do not use the campus network, including CMCC, and so on for the time being.n2. Turn off 139/445 and other ports on the computer. For specific methods, please search for "how to close ports 139 and port 445 ports such as port" in Baidu experience.n3. Install Microsoft Patch MS17-010. Baidu search "Microsoft Patch MS17-010", says Microsoft Security Announcement MS17-010-serious, this is the patch download of Microsoft's official website.n4. Download and install the NSA weapon library immune tool. This tool is an immune tool with 360. You can go to 360 security guards or Baidu to find it yourself.