A legitimate archive for a game or software is rarely that small. 160 KB is roughly the size of a single text file or a small script, making it a "red flag" for a hidden executable. Safety Recommendations
Before doing anything, upload the file to VirusTotal to check it against dozens of different antivirus engines simultaneously. Download File 160k .rar
If you were not expecting a file from a known contact, or if the context seems suspicious (e.g., a "business offer" from a random address), delete it immediately . A legitimate archive for a game or software