Domestic universities are the hardest hit areas of this attack.
Domestic colleges and universities are the hardest hit areas of this attack, and the data and files on computers will be locked and need to be unlocked for a fee.
Many students' graduation thesis, graduation design and other important materials have been declared "occupied". Some colleges and universities have issued early warning information.
Many countries have been attacked by ransomware.
It is reported that a large number of organizations around the world have reported being attacked by the "blackmail" virus. These organizations are located in the United States, Britain, China, Russian, Spanish, Italian, Vietnamese and other places.
It is reported that many hospitals in Britain were also paralyzed by "massive" hacking attacks on Friday. The operation was cancelled and the ambulance was forced to be transferred to other hospitals.
Medical staff reported that their system was locked and could not get in at all. There is a message on the screen asking them to pay a "ransom" before they can reopen their business.
At about 0 o'clock last night, Weibo said those things about @ UK:
Big event, just over an hour ago, all hospitals in the UK 16 were attacked by a large-scale network ... The hospital's intranet was compromised, the computer was locked, and the phone was blocked ... The hacker asked each hospital to pay a ransom of 300 bitcoin (close to 4 million RMB), otherwise all information would be deleted ... Now the external contact of this 16 institution is basically interrupted, and the internal contact is basically interrupted.
The NHS called the incident a blackmail attack. At least 16 institutions related to the national health system are affected. "At present, the investigation is still in the early stage, but we think the malware is Wanna Decryptor." NHS Digital said in a statement, "At this stage, we have no evidence that patient data has been accessed. We will continue to work with the affected institutions to confirm this. "
According to Agence France-Presse, hospitals in London, northwest England and other parts of the country reported computer system problems on Friday (12). The hospital requires patients not to come to the hospital unless it is an emergency.
Earlier on Friday, the Spanish government said that a large number of Spanish companies had been attacked similarly, according to Reuters. These companies include telecom giant Telefonica and power company drola.
How to prevent "blackmail" virus attacks?
The following suggestions are given by Shandong University for your reference: