If you can provide more context, I might be able to help further:
The file extension .rar indicates it is a compressed archive file, and "(nodlls)" often suggests it is a modified version of software, such as a that has had Dynamic Link Libraries (DLLs) removed or modified to avoid detection by security software. COMBOXR3V2(nodlls).rar
Avoid downloading .rar or .zip files from untrusted, obscure sources. If you can provide more context, I might