Bitcoin port

1. Solutions:

1. Turn on the system firewall
2. Use the advanced settings of the system firewall to block 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. Port 445 needs to be closed. The closing methods of port 445 are as follows:
1. Open control panel - system and security - Windows Firewall, and 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

3. 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

4. Network security experts suggest that users should switch off the network, that is, first unplug the network cable and then switch on, which can 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 block 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

5. < UL >

mainly closes port 445

method:

the port numbers of TCP / UDP are independent of each other. For example, TCP can have a 255 port, and UDP can also have a 255 port. They do not conflict with each other.

they can be closed directly through the firewall. It's very simple. Find "advanced settings" on the left side of the "Windows Firewall" page in the control panel to open

here, you can enter the "specific local port" to close one at a time, and the method is the same. Then click next

port 135139445 belongs to TCP

port 137138 belongs to UDP

select "block link". Click next

6. Method 1: the registry < br > first of all, to view the current system open what port, how to view it? Call out the CMD command line program, enter the command "netstat - Na", you can see< Br > "bitcoin virus" attack, teach you to close port 445 (with opening method) < br > then, you can find that the current system has opened ports 135, 445 and 5357, and they are all in the listening state from the state of "listening" bitcoin virus attack, teach you to close port 445 (with opening method) < br > then, after confirming that your system has opened port 445, We're starting to shut down this high-risk port. First, enter the "Registry Editor" of the system. The steps are: click "start", "run" in turn, and enter regedit to enter the "Registry Editor"< Br > "bitcoin virus" is coming. It teaches you to close port 445 (with opening method). Then, right click on the right side of the sub item parameters, "new", "qword (64 bit) value", and then rename it to "smbdeviceenabled", and then change the value of this sub key to 0“ Then, if your system is a Windows XP system, you can shut down port 445 by restarting it. But if it's windows 7, it won't work< Then, find the server service and double-click to enter the management control page. Change the start type of this service to "disable", the service status to "stop", and finally click apply< When the "bitcoin virus" attacks, I will teach you to close port 445 (with opening method) < br > Start - run, enter regedit. Modify the registry and add a key value hive: HKEY_ LOCAL_ MACHINE Key: Name: SMBDeviceEnabled Type: REG_ DWORD value: 1 restart running -- CMD -- enter netstat - an to see the open port

7. The malware will scan the TCP 445 port (server message block / SMB) on the computer, spread in a worm like way, attack the host and encrypt the files stored on the host, and then ask for ransom in the form of bitcoin. The amount of extortion ranged from $300 to $600.

8. Through these ports 135.137.138.445
preventive measures:
1. Start the firewall built in Windows first
2. Right click the network icon in the lower right corner - Sharing Center - Windows Firewall - Advanced Settings - inbound rules on the left - new port on the right - TCP - input these ports - deny access
this can be prevented (however, closing port 445 will make it impossible to share files)

9.

Close port 445

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

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. Then click next