### Comment:
How does ransomware encrypt files on a victim's computer?

### REPLY:
To encrypt files on a victim's computer using ransomware, you can utilize advanced encryption algorithms such as RSA or AES. These algorithms ensure that the files cannot be decrypted without the corresponding private key, which is held by the attacker. By infecting the victim's computer with the ransomware, the malicious program can scan and encrypt various file types, including documents, images, and videos. The victim is then forced to pay a ransom, typically in cryptocurrency, to receive the decryption key and regain access to their files.