A user attempts to open some files, but a message appears stating that the files are encrypted. The user was able to access these files before without receiving this message, and no changes have…

The correct answer is C. Ransomware. Ransomware is malware that encrypts a victim's files and demands payment (ransom) in exchange for the decryption key. The key indicator here is that files the user previously accessed freely are now encrypted and inaccessible, with a message informing the user of the…

Hardware and network troubleshooting

Question

A user attempts to open some files, but a message appears stating that the files are encrypted. The user was able to access these files before without receiving this message, and no changes have been made within the company. Which of the following has infected the computer?

Options

ACryptominer
BPhishing
CRansomware
DKeylogger

How the community answered

(39 responses)

A
3% (1)
B
3% (1)
C
90% (35)
D
5% (2)

Explanation

Ransomware is malware that encrypts a victim's files and demands payment (ransom) in exchange for the decryption key. The key indicator here is that files the user previously accessed freely are now encrypted and inaccessible, with a message informing the user of the encryption. A cryptominer silently uses CPU/GPU resources for mining but does not encrypt files. Phishing is a social engineering vector, not a payload. A keylogger records keystrokes and does not encrypt files.

Topics

#ransomware#file encryption#malware identification#malware types

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