Bitcoin virus disabled port

1. After closing port 445, the shared service can not be used
network security experts suggest that users should disconnect the network and start up, that is, first unplug the network cable and then start up, so as to basically avoid being infected by blackmail software. After power on, you should find a way to put on a security patch as soon as possible, or install the defense tools launched by various network security companies, so that you can connect to the Internet. It is suggested that the important files in the computer should be backed up to the mobile hard disk and U disk as soon as possible, and the disk should be saved offline after the backup. At the same time, we should be vigilant against unknown links, files and e-mails<
temporary solution:
1. Turn on the system firewall
2. Use the advanced settings of the system firewall to prevent the connection to port 445 (this operation will affect the service using port 445)
3. Turn on the system automatic update and detect the update for installation
the processing flow of win7, win8 and win10
1. Open the control panel - system and security - Windows Firewall, Click on the left to start or close windows firewall
2. Select Start firewall and click OK
3. Click Advanced Settings
4. Click inbound rule and create new rule
5. Select port, next step
6. Specific local port, enter 445, next step
7. Select block connection, next step
8. Configuration file, select all, next step
9. Name, which can be entered at will and completed
XP system processing flow
1. Open the control panel, security center, windows firewall in turn, and select enable
2. Click start, run, enter CMD, and confirm to execute the following three commands: net stop RDR, net stop SRV, and net stop NetBt

2.

Take closing port 445 as an example:

1. find "advanced settings" on the left side of the "Windows Firewall" page in the control panel to open it

2. find "inbound rule" on the left side of "advanced security windows firewall" page, right-click "new rule"

3. select port and click next

4. to close any port, enter it into "specific local port" and close one at a time. The method is the same

5. and then click next

6. until complete

3. The advantage is that it can make the transaction on the six degree chain more reliable and guaranteed. There is no need to worry about fraud between the buyer and the seller, and there is no need to worry about the user's information being leaked out.

4. I got three accounts and couldn't get them out

5.

Any bank card can directly withdraw foreign exchange abroad, as long as the bank card is a al currency card. Dual currency card refers to a kind of bank card issued by many domestic banks, which has two currency settlement accounts, namely RMB and foreign currency accounts, and has the identification of UnionPay and another international bank card organization

al currency card usually pays in RMB as settlement currency in domestic UnionPay settlement network, while overseas payment can be made in foreign currency through the settlement network of international bank card organization designated by al currency card identification Overseas countries with UnionPay network can also use RMB settlement. Dual currency card is a transitional proct under the current foreign exchange control in China

in any place, no matter whether it is a major foreign exchange market or not, the general small amount of cash transactions and check cashing are almost monopolized by banks. The main business of Foreign Exchange Department of banks is to convert customer assets and liabilities of commercial and financial transactions from one currency to another. In short, bank customers can use Ba card to get foreign exchange anywhere

extended information:

types of foreign exchange:

1. Limited free exchange refers to foreign exchange that cannot be freely converted into other currencies or paid to a third country without the approval of the currency issuing country. The International Monetary Fund (IMF) stipulates that all currencies with certain restrictions on international current payments and fund transfers are limited freely convertible currencies. More than half of the world's national currencies are limited freely convertible, including RMB

Bookkeeping foreign exchange, also known as clearing foreign exchange or bilateral foreign exchange, refers to the foreign exchange bookkeeping in the bank account designated by both parties, which cannot be converted into other currencies or paid to a third country

Trade foreign exchange, also known as physical trade foreign exchange, refers to the foreign exchange from or used for import and export trade, that is, a means of international payment formed by international commodity circulation

Non trade foreign exchange refers to all foreign exchange other than trade foreign exchange, that is, all foreign exchange not derived from or used for import and export trade, such as labor foreign exchange, overseas Chinese foreign exchange and donated foreign exchange

Financial foreign exchange, different from trade foreign exchange and non trade foreign exchange, is a kind of foreign exchange of financial assets. For example, the foreign exchange traded between banks is neither from tangible trade or intangible trade, nor used for tangible trade, but for the management and distribution of various currency positions

6.

Yes, take Huaxia Bank as an example:

UnionPay ATM network has extended to Hong Kong, Macao, Japan, South Korea, Singapore, Malaysia, Thailand, Australia, New Zealand, the United States, France, Germany, the United Kingdom, Switzerland and other countries and regions that Chinese people often visit

ATM with UnionPay logo can use Huaxia debit card to withdraw money. Due to the practice in some countries, the UnionPay logo may only be displayed on the ATM screen; ATM withdrawal in some countries and regions is different from that in China. Please pay attention to the procere of returning the card first and then spitting out the money

you can withdraw local currency from overseas ATM with Huaxia debit card, and the amount of local currency withdrawn will be converted from China UnionPay to RMB transaction amount according to the market exchange rate, and will be immediately recorded into the RMB main account of Huaxia debit card by our bank. ATM details of overseas Chinese debit cards can be found on UnionPay international website

extended information

merchants that can accept Huaxia debit card:

merchants with UnionPay logo and POS machine with password keyboard can accept Huaxia debit card. A small number of merchants may not post the UnionPay logo, so cardholders can take the initiative to show their Huaxia debit card and ask the cashier if they can use it. Details of selected overseas merchants can be found on UnionPay international website

you can use the Huaxia debit card to swipe the card in foreign merchants according to the amount of local currency. The amount of local currency consumed will be converted from China UnionPay to RMB transaction amount according to the market exchange rate, and then our bank will immediately charge it to your main RMB account of Huaxia debit card

according to the requirements of the measures for optimizing the management of cross border transaction limit of UnionPay debit card, the consumption limit is

in Macao:

single consumption limit: RMB 500000 for general card and silver card, and RMB 1 million for gold card, platinum card and diamond card
daily consumption limit: 1 million yuan for all cards
all kinds of joint name cards and identity cards shall be implemented according to the corresponding Chinese debit card types

7. If the savings card of China Merchants Bank withdraws cash abroad, the warm tips are as follows:
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.)

8. ① Take the main account of UnionPay multi currency debit card as the bookkeeping and settlement account. At present, the functional currencies include RMB, US dollar, Macao dollar (only in some regions), British pound, euro, Japanese yen, Hong Kong dollar, Canadian dollar, Swiss franc, Australian dollar, Singapore dollar and Korean won (only in some regions)
② the cardholder withdraws cash from the global (Overseas) UnionPay Network ATM with UnionPay multi currency debit card, and the cash withdrawal transaction is priced in the original transaction currency: A. if the original transaction currency is within the range of the bookkeeping currency of UnionPay multi currency debit card, the transaction currency account is preferred for direct dection, and the order of dection is cash account first and then remittance account. If the cardholder does not have a cash account in the currency of the transaction or the balance of the cash account is insufficient, the full amount will be transferred to the cash account in the same currency. If the cardholder does not have the transaction currency account (including cash and cash account) or the transaction currency account is insufficient, the RMB account will be used in full rotation. If the original transaction currency is UnionPay clearing currency (at present, the clearing currencies of our bank and UnionPay include US dollar and Macao dollar), the RMB transaction amount converted according to the latest foreign exchange selling rate issued by our system on the transaction day shall be dected; If the original transaction currency is not UnionPay clearing currency, the payment shall be dected directly according to the RMB transaction amount converted and delivered by UnionPay organization. If the cardholder has no RMB account or insufficient RMB account, the transaction will fail
B. if the original transaction currency is not in the range of the bookkeeping currency of UnionPay multi currency debit card, the first dection account is the RMB account, which is directly dected from the RMB account according to the RMB transaction amount converted and delivered by UnionPay. If the cardholder has no RMB account or insufficient RMB account, the transaction will fail
the above contents are for your reference. Please refer to the official website of BOC for the latest business changes
if you have any questions, you are welcome to consult the online customer service of Bank of China or download the mobile banking app of Bank of China.