Legitimate developers rarely name files "00".
Upload it to VirusTotal to check it against 70+ antivirus engines. Download File 00.rar
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Use Malwarebytes or Windows Defender to scan your system. Legitimate developers rarely name files "00"
In Windows, ensure "File name extensions" is checked in Folder Options so you can see if a file is actually named 00.rar.exe . Download File 00.rar