Bitcoin virus VPN
Yesterday, I went to the electronic reading room. Not long after I plugged in the USB flash drive, the teacher suddenly asked everyone to unplug the USB flash drive. Some students found that all the files in the USB flash drive could not be opened, and there were two more documents asking for money
so everyone rushed to check, as long as the U disk inserted in the school computer were poisoned, large-scale computer poisoning occurred in the evening
a lot of people's information and graation thesis are in the computer. I really feel that hacker's behavior is disgusting. For the sake of money, regardless of the future of students, teachers' lifelong scientific research achievements...
hope to catch criminals as soon as possible and give them severe punishment by law
this virus will scan windows devices with open 445 file sharing port. As long as the user's device is on the Internet, hackers can implant blackmail software, remote control Trojan horse, virtual currency mining machine and other malicious programs in computers and servers
some security researchers point out that this large-scale network attack seems to be deployed through a worm application, and wannacry can spread among computers. What's more terrible is that unlike most malicious programs, this program can replicate and spread on its own in the network, and most of the current viruses still need to rely on the successful users to spread by cheating them to click the attachment with the attack code
the attack has affected 99 countries and as many as 75000 computers, but because the virus uses anonymous network and bitcoin anonymous transaction to obtain ransom, it is very difficult to track and locate the originator of the virus
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
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.
1. If the card withdraws money from overseas ATMs through UnionPay channel and opens the overseas withdrawal function, it can withdraw money from overseas ATMs in local currency; The way to open the overseas withdrawal / POS consumption function of UnionPay: you log in to the professional version and click the horizontal menu "one card → account management → limit management - ATM, POS limit"; Take the card to the counter to apply, swipe the card to check the secret, you can do it on your behalf, no need to show your certificate; Through the visual counter application, swipe the card to verify the secret, need to handle in person
2. The withdrawal limit of all-in-one card in overseas ATM (including Hong Kong, Macao and Taiwan): the daily accumulative withdrawal of single card is less than or equal to 10000 yuan RMB; Since January 1, 2018, the accumulated withdrawal amount of all domestic bank cards under each person's name each year (the amount is shared by all banks' debit cards, credit cards and subsidiary cards) is equivalent to RMB 100000
warm tips
I. for overseas withdrawal of international debit card, the limits of international organizations and UnionPay are calculated separately (that is, UnionPay and international organizations with the same bank card overseas on the same day can withdraw the equivalent of RMB 10000), but the withdrawal limit will be included in the annual total amount of RMB 100000
II. If the annual limit is exceeded, the function of withdrawing cash abroad with domestic bank card will be suspended in this year and the following year
3. All in one card overseas withdrawal service charge: UnionPay ATM withdrawal: 5 ‰ of the withdrawal amount, with a minimum of 10 yuan / transaction
warm tips
I. The local currency is taken out
II. For overseas withdrawal, no matter the account level, there is no discount
III. The local acceptance agency may charge additional fees. You can check the fee instructions posted beside the withdrawal device, or the device will prompt you of the fees that may be incurred in completing the transaction when withdrawing money
4. Rules for conversion of debit card overseas withdrawal / consumption exchange rate: UnionPay route: convert it into RMB for settlement (clearing currency: RMB) according to the exchange rate specified by UnionPay on that day; Please contact UnionPay for exchange rate
5. Our UnionPay savings card is generally recommended to be used overseas, because there is no service charge for the consumption of UnionPay savings card at overseas POS (if the customer consumes abroad, it is limited not only by the limit set by himself, but also by the type of merchant the customer consumes). Thank you for your attention and support
(response time: January 3, 2020, please refer to the official website of China Merchants Bank for the latest business changes.)
3. Through this function, there is a file recovery function to recover the files deleted or encrypted by blackmail virus