| Risk | Description | |------|-------------| | | .rar files can contain .exe , .vbs , .js , or .scr files disguised with double extensions (e.g., postal_codes.pdf.exe ). | | Password theft | Some archives are password-protected and ask you to run a “keygen” or “crack” inside — a common tactic to drop Trojans. | | Ransomware | Opening an infected archive can trigger encryption of your local files, with a demand for Bitcoin payment. | | Phishing | The archive might contain an HTML file that looks like a postal code lookup page but steals credentials. | | Data corruption | Even if benign, the file may be incomplete or misnamed, leading to confusion or broken scripts. |
The "251" variants are most frequently identified as . They are designed to: Code Postal new folder 251.rar