Infostealer
Flesh Stealer
According to M4lcode, FleshStealer is a sophisticated, modular, and obfuscated .NET-based information-stealing malware designed for comprehensive data exfiltration from Windows systems.
Flesh Stealer is a Windows infostealer.
Background
M4lcode characterizes FleshStealer as an advanced, modular, obfuscated .NET infostealer aimed at thorough data exfiltration from Windows hosts. Designed for both scale and stealth, it leverages multithreading to run several harvesting routines in parallel while keeping its impact on the system low. Its targets span a broad set of applications and services, among them browsers, messaging apps, email clients, VPNs, cryptocurrency wallets, FTP clients, game launchers, and local file storage.
Source: Malpedia (Fraunhofer FKIE).