Guard against blackmail virus

Blackmail virus

Blackmail Bitcoin from enterprise servers in 2017

Extort Wechat payment from personal computer in 2018

2019 for government networks, state-owned enterprises and institutions

Blackmail virus prevention

Unplug the net first and turn it on now to avoid being infected by blackmail virus.

Make patches as soon as possible after power on, or install the defense tools of various network security companies before you can connect to the Internet.

Back up the important files in the computer to the removable hard disk and USB disk as soon as possible, and save the disk offline after the backup.

Be vigilant against unidentified links, files, and emails

Use the advanced settings of the system firewall to block connections to port 445 (network shared printer port)

Turn on the firewall

Advanced Settin

Inbound rule

Create a new rule

Port > >

Next step > finish