The name implies dominance over email servers. The malware would attempt to connect directly to mail exchangers (MX servers) or use open relays to flood inboxes. quickly became a staple "tool" in the kits of beginner cybercriminals, often shared via MSN Messenger, LimeWire, and later, Telegram.
Downloading for "curiosity" or "research" is dangerous and potentially illegal in many jurisdictions.
If you have encountered , experts recommend the following precautions: How to Open RAR Files on Windows, Mac, and Mobile - Avast