Once the user extracts and executes the contents, the ransomware silently initiates:

Use a robust antivirus suite that features "Ransomware Shield" or behavior-based detection.

The only 100% reliable way to recover data without paying is to use a clean, off-site backup. Proactive Defense Strategies To protect against future RAR-delivered threats:

Using advanced cryptographic algorithms, it locks these files, rendering them inaccessible.

Never open .rar or .zip files from unknown senders, even if they appear to be "protected" by a password provided in the email.

Do not pay the ransom. Instead, check tools from reputable organizations like No More Ransom or Emsisoft.

Immediately disconnect from the internet and any local networks to prevent the malware from spreading to servers or cloud backups.