Malware
EVILNUM
According proofpoint, EvilNum is a backdoor that can be used for data theft or to load additional payloads.
EVILNUM is a JavaScript malware family.
Background
Proofpoint characterizes EvilNum as a backdoor capable of stealing data or delivering further payloads. It bundles several notable components that help it dodge detection and adapt its infection path depending on which antivirus software it identifies on the host.
Source: Malpedia (Fraunhofer FKIE).