: If you have received this file via email or an untrusted source, do not open it. Archive files with numeric names like "56577" are a common delivery method for trojans and ransomware.
The filename 56577.rar appears to be a specific archive file often associated with or automated sandboxing reports. 56577.rar
Do you have a (like MD5 or SHA256) for this file, or did you find it in a specific directory ? Bug#813645: jessie-pu: package libclamunrar/0.99-0+deb8u1 : If you have received this file via