Infostealer
Immortal Stealer
ZScaler describes Immortal Stealer as a windows malware written in .NET designed to steal sensitive information from an infected machine.
Immortal Stealer is a Windows infostealer.
Background
ZScaler describes Immortal Stealer as .NET-based Windows malware built to pilfer sensitive data from compromised machines. It is marketed on the dark web through a range of build-based subscription tiers.
Source: Malpedia (Fraunhofer FKIE).