Cyber Security

What is Blocke Ransomware?

Blocke ransomware is a type of malware that encrypts all the files in a computer until the user pays a ransom. Files encrypted by Blocke will have a .block extension appended at the end of the file name. Blocke is delivered through a Win32 EXE file.

What is Ransomware?

Ransomware is a type of malware that encrypts files on a user's computer. The attacker then demands a ransom from the user to restore access to the files upon payment. The ransom can be paid in a variety of ways, including by Bitcoin, credit card, or wire transfer.

How Does ransomware Spread?

Ransomware can be delivered to a computer in a variety of ways, but the most common infection methods are phishing emails, malicious links, and downloading compromised software from the internet. The infection methods are endless, but the most common infection methods are phishing emails, malicious links, and downloading compromised software from the internet. The infection methods are endless, but the most common infection methods are phishing emails, malicious links, and downloading compromised software from the internet.

Blocke ransomware Capabilities:

Blocke ransomware uses process injection attack techniques to evade process-based defences and possibly elevate privileges. Blocke ransomware uses network layer protocols, such as ICMP, transport layer protocols, such as UDP, and session layer protocols, such as SOCKS, to communicate between hosts and C2 servers and among infected hosts within a network. Because ICMP is not as commonly monitored as other Internet Protocols, adversaries may use it to hide communications.

Mitigations Against Blocke Ransomware:

There are several ways to mitigate Blocke ransomware attacks. One way is to use endpoint security solutions that ransomware can configure to block process injection and network traffic to prevent unnecessary protocols across the network boundary. Additionally, users can be cautious when opening email attachments and clicking on links and should always have up-to-date backups of their data. Ransomware can also mitigate Blocke ransomware by requiring signed binaries.

How to Protect Against Ransomware?

Keep your software up-to-date: Software updates are the best way to protect yourself from the vast majority of cyber threats. Make sure to install all software updates as soon as they become available. If a security update is available, there is a good chance that it fixes a security vulnerability that a hacker could exploit.  

Avoid downloading and opening files from unknown sources: Hackers often use social engineering tricks to trick their victims into opening a malicious file. Never download and open files from an untrusted source, even if it comes from a friend. If you are unsure if a file is safe, the best method is to avoid opening it.

Here are a few guidlines to follow to stay safe from ransomware:

  • Keep your software up-to-date and ensure that you do not download software from untrustworthy sources. 
  • Install antivirus software, but make sure that it is not outdated. 
  • Make sure that your computer is protected with a firewall. 
  • Make sure that you do not open attachments from unknown senders. 
  • Make sure that you do not download applications from the internet. 
  • Make sure that you do not open any suspicious links. 
  • Make sure that you do not visit suspicious websites. 
  • Make sure that you do not share any sensitive information with suspicious people.
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