Shulou(Shulou.com)06/03 Report--

There has been a recent outbreak of Bitcoin blackmail virus.

Port 445, with which we can easily access shared files or shared printers in the local area network. But because of this, people have a chance to secretly share disks or even format their hard drives. Both it and port 139 are the main channels.

This time, * is mainly aimed at domestic colleges and universities. The reason for the large-scale receipt of companies is that there have been many cases of using port 445 sharing vulnerabilities *. Operators have closed port 445 to individual users, but the campus network is independent. Therefore, without this setting, coupled with the failure to update the patch in time, students are faced with the dilemma of losing laboratory data and locking graduation papers.

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Users of windows computers are advised to unplug the network cable or turn off the wireless switch before turning it on, and then do two things:

1 turn off port 139 and port 445 of the computer

2 download a Microsoft patch of MS17-010 corresponding to your computer system, and then restart the computer and OK

If you turn it on directly and there is a picture with a red background, follow his steps if you are willing to spend $300. Do not want to spend money to format the hard drive to do the system.

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