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MalwareWiki

Malware

SysJoker

Sysjoker is a backdoor malware that was first discovered in December 2021 by Intezer.

SysJoker is a Windows malware family.

Background

SysJoker is a backdoor that Intezer first identified in December 2021. It is an advanced piece of malware built from the ground up in C++. Operating across platforms, SysJoker comes in Linux, Windows, and macOS variants. Its likely delivery methods include email attachments, malicious advertising, and trojanized software.

Source: Malpedia (Fraunhofer FKIE).