: This tool provides a free malware analysis service that can detonate the file in a "sandbox" to see exactly what it does when opened.
: A mobile option for extracting files on the go.
Never open a .rar file from an untrusted source, as archives are a common way to hide malicious executables or scripts. 12b12a.rar
: Upload the file to have it scanned by over 70 different antivirus engines and URL/domain blacklisting services.
Could you tell me or what you expect it to contain so I can help you investigate further? RAR – Apps on Google Play : This tool provides a free malware analysis
If you are certain the file is safe and just need to see what is inside, you can use:
: A free, open-source alternative that supports almost all compression formats. : Upload the file to have it scanned
I don't have access to a specific file named 12b12a.rar as it isn't a widely documented public file or a known piece of malware in standard security databases.