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|“||[a] form of malware that restricts access to a device unless the victim pays to have it unlocked.||”|
|“||a type of malware which restricts access to the computer system that it infects, and demands a ransom be paid in order for the restriction to be removed.||”|
|“||a type of malware (malicious software) distinct from other malware; its defining characteristic is that it attempts to deny access to a user's data, usually by encrypting the data with a key known only to the hacker who deployed the malware, until a ransom is paid. After the user's data is encrypted, the ransomware directs the user to pay the ransom to the hacker (usually in a cryptocurrency, such as Bitcoin) in order to receive a decryption key. However, hackers may deploy ransomware that also destroys or exfiltrates data, or ransomware in conjunction with other malware that does so.||”|
|“||a form of malware that targets your critical data and systems for the purpose of extortion.||”|
- Disable an essential system service or lock the display at system startup.
- Encrypt some of the user's personal files. Encrypting ransomware were originally referred to as cryptoviruses, cryptotrojans or cryptoworms.
- Prompting the user to enter a code obtainable only after wiring payment to the attacker or sending an SMS message and accruing a charge.
- Urging the user to buy a decryption or removal tool.
More sophisticated ransomware may be a hybrid — encrypt the victim's plaintext with a random symmetric key and a fixed public key. The malware author is the only party that knows the needed private decryption key. The author who carries out this cryptoviral extortion attack offers to recover the symmetric key for a fee.
Specific Ransomware Edit
Ransomware includes the following;
- ↑ Cybersecurity in the Golden State, Security Breach, Malware.
- ↑ Digital Currencies: Response to the Call for Information, at 11 n.1.
- ↑ FACT SHEET: Ransomware and HIPAA, at 1.
- ↑ How to Protect Your Networks from Ransomware, at 2.
See also Edit
- "Drive-by" ransomware
- FACT SHEET: Ransomware and HIPAA
- How to Protect Your Networks from Ransomware
- Ransomware and Recent Variants
- Ransomware on the Rise: FBI and Partners Working to Combat This Cyber Threat
External resources Edit
|This page uses Creative Commons Licensed content from Wikipedia (view authors).|