In most cases reported by security communities, this specific naming convention is used in :
The sender is using a (Gmail, Outlook) instead of a company domain. task.ku4mar1lll.rar
If you already downloaded it, use VirusTotal to check the file. 🔍 What is this file? In most cases reported by security communities, this
If you received this file from an unknown "employer" or through a messaging app like Telegram or WhatsApp: it can capture your passwords
Inside is usually a Trojan or Info-stealer . Once opened, it can capture your passwords, banking details, and browser cookies.