A file named “Code postal...” almost certainly contains part or all of this standard postal data.

: RAR is a compressed archive format. While completely legitimate in daily use, malicious actors heavily favor RAR files. Archiving allows them to pack multiple malicious scripts together and, crucially, encrypt or compress the contents to bypass basic antivirus scanners. 🛑 The Hidden Dangers of Downloading Unknown RAR Files

: In cybersecurity and data-trading circles, "folders" often contain "logs" or "combo lists" (usernames and passwords). The word "night" is frequently used in automated scraping scripts or "nightly" data dumps.

: This is a compressed file format used to bundle multiple files together to reduce file size for easier downloading and transferring. What is Inside a Compressed Postal Code Database?

Once extracted, the file usually reveals a hidden application disguised as a document or a text file. Running it installs an InfoStealer (such as RedLine, Vidar, or Lumma). These programs quietly harvest saved passwords from web browsers, cryptocurrency wallet keys, session cookies, and credit card details, transmitting them back to the attacker's server. 2. Ransomware Payloads

: In data management and software development, "night" or "nightly" often refers to automated processes, backups, or data synchronization routines that run during off-peak hours. A "night folder" typically holds automated data exports generated at the end of a business day.

Even if you do not execute the contents, simply having the file on your system could be used as evidence of intent in some cybercrime cases. Always verify the legality of any data you acquire.

Maybe the file is part of a collection of "code postal" files for various countries. The number "252" might be a country code. However, "night folder" is still weird.