: Use a reputable security tool like Malwarebytes or Bitdefender to scan the file.
Could you share or what it was supposed to contain ? That might help me give you more specific advice.
: Compressed archives like .rar can contain executable malware, scripts, or "zip bombs" designed to harm your system once extracted.
: Never download or open an archive from a source you do not recognize or trust completely. Recommended Next Steps
: You can upload the suspicious file (or provide its URL) to VirusTotal , which will check it against dozens of different antivirus engines simultaneously.
: If you weren't expecting this file, the safest move is to delete it immediately and empty your trash.
: If you have already downloaded the file, do not extract its contents.