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Home Definition

What’s a Ransomware Malware?

June 10, 2023
Reading Time: 2 mins read
in Definition, Malware

Ransomware is a type of malware that blocks access to the victim’s data and threatens to publish or delete it unless a ransom is paid, usually in cryptocurrency. While some simple computer ransomware can lock the system in a way that is not difficult for a knowledgeable person to reverse, more advanced malware uses a technique called cryptoviral extortion, which encrypts the victim’s files in a way that makes them nearly impossible to recover without the decryption key.

Ransomware typically spreads through various methods, including malicious email attachments, infected websites, exploit kits, or through vulnerabilities in software or operating systems. Once a system is infected, the ransomware starts encrypting files using a strong encryption algorithm, rendering them unreadable without the decryption key.

After encrypting the files, the ransomware presents the victim with a ransom note, usually in the form of a pop-up message or a text file, explaining the situation and providing instructions on how to pay the ransom. The ransom amount can vary widely, ranging from a few hundred dollars to thousands or even millions, depending on the attackers and the targeted organization’s perceived value.

Paying the ransom does not guarantee that the attackers will decrypt the files or restore access. Some attackers may simply take the payment and disappear without providing the decryption key, while others may provide a working decryption tool. Moreover, paying the ransom encourages and funds criminal activities, perpetuating the ransomware threat.

Preventing ransomware attacks involves implementing a multi-layered security approach. This includes regularly backing up important files and keeping those backups offline or in a separate location, maintaining up-to-date software and security patches, using reputable antivirus and antimalware software, employing email and web filtering to block malicious content, practicing safe browsing habits, and educating users about the risks of opening suspicious emails or downloading files from untrusted sources.

In case of a ransomware attack, organizations should isolate the infected systems, report the incident to law enforcement agencies, and seek assistance from cybersecurity professionals to mitigate the impact and potentially recover files without paying the ransom, if possible.

Tags: College StudentsCollege Students DefinitionsCyber InsuranceCyber Insurance DefinitionsCyber Professionals DefinitionsDefinitionsEmail SecurityEmail Security DefinitionsExecutivesExecutives DefinitionsInvestorsInvestors DefinitionsMalicious softwaremalware-definitionsMobile Device SecurityNonprofitsNonprofits DefinitionsRansomwareRansomware DefinitionsTravelersTravelers Definitions
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