If you are 100% certain the file is legitimate, you will need a RAR extractor to see its contents:
Malware inside a RAR file generally cannot harm your system until it is extracted and executed. Do not run any .exe , .scr , or .bat files found inside. 3. How to Open (If Verified Safe) sisbigbro (8).rar
If this file was downloaded from an unofficial website, a social media link, or an email attachment, it is highly likely to be malicious. If you are 100% certain the file is
Upload the file to VirusTotal to check it against dozens of different antivirus engines simultaneously. How to Open (If Verified Safe) If this
A guide for the file sisbigbro (8).rar depends on what it is and where it came from. Since "sisbigbro" is not a recognized standard software or official file, before opening it. 1. Identify the Source
The original tool for this format, available at the official WinRAR site .