: Avoid extracting the file. Instead, upload the zip (or the URL where you found it) to a sandbox service like VirusTotal to check for malicious signatures. 3. Application-Specific Cache or Temp File
: Open the file in a tool like HxD to look for "Magic Bytes" or human-readable strings (headers) that identify the true file type. XXNi.s.yaXX.zip
If you are trying to understand the contents of this specific file, you can perform a "deep" look yourself using these tools: : Avoid extracting the file
The naming pattern "XX[Name]XX" is sometimes seen in or Trojan horses. Attackers use these patterns to bypass simple string-based file filters. : Avoid extracting the file. Instead
: Zip files with non-standard naming can be used to hide sensitive documents.