Could you provide more on where you found this file or what it is supposed to contain so I can give you a more specific report?
: Verify where the file was downloaded from. If it was an unsolicited email attachment or from an unverified "free download" site, it is highly likely to be unsafe. Milojin.rar
: Upload the file to VirusTotal to check it against dozens of different antivirus engines simultaneously. Could you provide more on where you found
: Use a tool like 7-Zip to "Open Archive" (rather than "Extract") to view the file names and sizes inside without executing any code. "cracks" for software
: Compressed archives with obscure names found on file-sharing sites are often used to distribute malware, "cracks" for software, or phishing scripts.