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While it does the same as all others, encrypting files and demanding a ransom, it takes it one step further. Once it’s infected the system, it begins its work of shutting down processes on your computer. Ryuk works like most malware, through phishing. Some Ryuk attacks demand millions of dollars in order to get access back. This is due to the amount the ransom requires.

Ryuk is one of the most dangerous ransomwares out there.

If there is a compromised website, as soon as it’s clicked, the virus will block access to all files and demand a ransom, usually in Bitcoin. The difference between the malwares is that Bad Rabbit can infect a computer through clicking on a website.

Bad Rabbit is a malware similar to WannaCry and Petya that began in 2017.

A countdown timer will begin as soon as your files have been encrypted.

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Microsoft Windows users are at risk with CryptoLocker, Mac users are not targeted. This malware strand uses encryption to block users from accessing the data. CryptoLocker is a Trojan horse that spreads a virus through unknown attachments in employee emails.

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There was a software update available to protect against WannaCry but unfortunately many companies did not update their security software and were therefore exposed to the attack. There was a WannaCry outbreak back in 2017 attacking organizations and demanding Bitcoin as payment.

WannaCry uses an exploit called EternalBlue to attack Microsoft Windows operating systems.

Because of this system, the developers have little to no risk, making it enticing to produce malware. Malware developers often distribute their ransomware tools freely, asking only for a percentage of the gains. Individuals who want to participate in ransomware now have access to malware strains created by malware developers. Knowing technology is no longer necessary to hack into organizations’ systems. Ransomware-as-a-Service (RaaS)Īnother cause for the ransomware attack surge is the ransomware marketplace, also known as Ransomware-as-a-Service (RaaS). These holes left openings for attackers to insert their ransomware.

Because of the instant shift, there were many holes left in the cyber security of organizations. Companies were forced to shift all work to remote work as soon as possible. The outbreak of COVID-19 was a great thing for ransomware attackers. There are multiple factors encouraging the spread of ransomware attacks, but one of the most prevalent is the increase of remote work. This percentage rises up to 80% with organizations that have 3,000-4,999 employees. Statistics show that over two thirds of organizations with 500 employees or more dealt with ransomware attacks in the last 12 months. If the ransom amount is not paid within the given time frame, the ransom amount may increase or the data being held will be deleted completely and the company may never be able to get it back. This time span is usually within 48 hours or less. The ransom will demand an amount, usually using crypoccurrecy, to have sent to them within a certain time span. Normally this message will be displayed on the computer’s screen where it is easily seen from the computer user. Soon after the encryption process is complete, the attacker will often leave a note or message of some kind to the computer user demanding a ransom. They normally will select certain files, encrypt them, create a decryption key, and then delete the original files that are not encrypted or any backups the company may have. At this point in the process, cyber criminals start blocking the data from the owner. Once the cyber criminal gains access to the data they want, they move onto the encryption stage. If the recipient falls for the phishing, the cyber criminal gains access to their computer.

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Phishing is a malicious email spam campaign sent to employees with an attachment or download to click on.

While there are numerous types of vectors, the most common vector used in ransomware attacks is phishing. Cyber criminals use various types of vectors to gain access to critical information in a company.

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