![]() ![]() Ransomware attacks are typically carried out using a Trojan disguised as a legitimate file that the user is tricked into downloading or opening when it arrives as an email attachment. In a properly implemented cryptoviral extortion attack, recovering the files without the decryption key is an intractable problem – and difficult to trace digital currencies such as paysafecard or Bitcoin and other cryptocurrencies are used for the ransoms, making tracing and prosecuting the perpetrators difficult. ![]() It encrypts the victim's files, making them inaccessible, and demands a ransom payment to decrypt them. While some simple ransomware may lock the system without damaging any files, more advanced malware uses a technique called cryptoviral extortion. The victim's personal data or perpetually block access to it unless a ransom is paid. Ransomware is a type of malware from cryptovirology that threatens to publish ![]() Security information and event management (SIEM).Host-based intrusion detection system (HIDS). ![]()
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