Several countries have been infected with the virus Ransomware includes English, Chinese, Ukrainian, United States, Spain, Russia, Italy, Taiwan and Indonesia there have also been affected by the attack Cyber Ransomware WannaCry. Ransomware is software that encrypts files on an infected computer.
By asking for a ransom. This virus locks the computer and the user cannot access filesfiles, documents and images until the user makes a ransom payment. Hackers target known vulnerabilities in operating systems Windows.
Microsoft said that it released an update Windows to protect users against attacks. But apparently, not everyone can install it. Various efforts to localize the infected servers are underway to prevent the spread of the war equipment.
10 Tips to Protect Your Computer from Ransomware
This time TipsPintar.com will provide 10 Tips to protect your computer to always stay safe from attacks WannaCry Ransomware.
1. Don’t Ignore Windows Updates!
Hacker Ransomware take advantage of the gaps in Windows which has actually beenpatches by Microsoft. Usually users ignore these windows updates. There is also a direct turn off the windows update. this makes the computer more susceptible to infection with Ransomware.
WannaCry exploit in exploit Windows by spreading through the network LAN. If you regularly update Windows Automatic Updates, then your computer is safe from Ransomware, Virus and Malware other.
2. Using the Most Updated Antivirus
If the Antivirus you are using has not been updated, we recommend updating your computer’s Antivirus immediately. The antivirus has now released an update to prevent the computer from being infected with viruses Ransomware.
So by activating automatic updates on your Antivirus, the Antivirus will detect various Ransomware or other malicious viruses. So it is likely that your computer is more secure and protected from any virus attacks.
3. Backup Files or Data
Ransomware damage by encrypting data and charging a fee to open it again. Therefore you must protect your files or data from Ransomware virus attacks.
The easiest way is to do a data backup or backup periodically. You can move File or important data to the media storage devices as Flash Disk, External Hard Disk, DVD nor Cloud Computing.
The main target of this virus is computers with operating systems Windows You can also back up data by storing it on a computer with an operating system such as Mac OS, Linux or Ubuntu.
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4. Suspicious Emails, Websites and Apps
The most common way hacker do is to use the method phishing email, false advertisements on suspicious websites or apps and programs. Therefore, it’s a good idea to be extra careful when opening emails or visiting unknown websites. Try to download the app on the official app store.
5. Don’t Open Links, Files and Attachments
Multiple viruses Ransomware spread over the network LAN. Usually Ransomware is spread using attachments, links, files which has been falsified. Therefore, do not carelessly open links, files or attachments from unknown people. And don’t be easily tempted by links shared on social media.
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6. Display File Extension
Attacker often disguise Ransomware into a file, photo, video or document. For that always show the file extension in Windows so you are not deceived.
- The method is simply to open File Explorer Options.
- Then on the menu tab View to uncheck Hide extensions for known file types, then click Apply and click OK.
- After that the computer will display the forged files.
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7. Enabling Firewall On Computer
Activate Firewall your computer. You must change the firewall configuration to block access to port SMB (Server Message Block) through the network or the internet. Protocols that you must block to prevent viruses WannaCry Ransomware are TCP ports 137, 139 and 455 and UDP ports 137 and 138.
If you don’t know how to activate the Firewall, don’t worry, here TipsPintar.com will give you step by step steps to activate the Firewall without using additional applications.
- The first step is that you go to the control panel. Click Start > Control Panel.
- Then you click Systems and Security.
- Next you click Windows Firewall.
- Then click menu Turn Windows Firewall on or off.
e. Next select Turn On Windows Firewall, then OK.
8. Disable SMB
Another way to prevent Virus cyber attacks WannaCry Ransomware is disable Server Message Block (SMB). SMB is Client-server protocol used as a computer service for file sharing (File Sharing) in a computer network.
Function of SMB itself is:
- Opening and closing network connections between clients SMB and the SMB server (The server usually runs document or files and print services) which is useful so that clients can access files on a computer network.
- Search, write and read files contained in file server.
- Search and use Printer which is used simultaneously to print remotely with only 1 network. You can follow these steps to disable SMB.
Here we will also provide steps to disable computer SMB. Follow these steps:
- The first step is to open the Control Panel. Click Search > Type Control Panel > Click Control Panel.
- Then click Menu Programs.
c. After that Click Turn Windows Features on or off.
- Then on Windows Features remove the check mark SMB 1.0/CIFS File Sharing Support.
- Next Click Restart Now.
9. Never Pay For Ransomware
We advise you not to pay ransom to parties Ransomware. Because of this, there are many cases where the victim has paid but nothing key decrypt provided by Ransomware.
We recommend looking for a tool Ransomware Decryptor Tool The possibility of Ransomware that infects your computer has been found by the decryptor security researcher. Another reason is that paying the ransom will encourage criminal hackers.
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10. If you are already infected, immediately turn off the connection
If your computer is already infected Ransomware, immediately disconnect from the server or internal network. Easier to unplug LAN and turn off WiFi. You can also isolate infected computers so that you can localize the spread of the WannaCry Ransomware Attack to other computers that are still vulnerable to infection.
The Indonesian Ministry of Communication and Information (KemKomInfo) also recommends not activating the function macros in Microsoft Office and Block Access Ports 139/445 and 3389.
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