55988.rar -

RAR (Roshal Archive). This format is chosen by attackers to encapsulate malicious executables, making them harder for basic email scanners to inspect without extraction.

Run a deep scan using an EDR (Endpoint Detection and Response) tool or a reputable anti-malware suite with heuristic analysis enabled. 55988.rar

User manually extracts the .rar file using a password (often provided in the delivery email). RAR (Roshal Archive)