Malware
Umbral
Umbral is a data-stealing Trojan that targets Windows systems.
Umbral is a Windows malware family.
Background
Umbral is a data-theft trojan aimed at Windows machines, typically delivered via phishing emails and malicious attachments. After installation it can siphon off a range of data such as usernames, passwords, online banking credentials, and sensitive files, and it is also able to alter system settings and run harmful commands. It poses a significant security risk and should be eliminated right away if detected.
Source: Malpedia (Fraunhofer FKIE).