Could you provide the or the file size to help narrow down exactly which version of "Land-B2" this is?
If this file was received via an unsolicited email or from an unverified source, it is highly likely a malicious carrier . Do not extract it on your primary machine; use a sandboxed environment for any further inspection. Land-B2.rar
Is it a small script collection or a multi-gigabyte dataset? Could you provide the or the file size