Palo Alto Networks Unit 42 cybersecurity experts: Malware authors used a browser extension as their final payload. It serves as adware and an infostealer.
It has been discovered by the cybersecurity expert Patrick Wardle. It is a variant of Pirrit, and has been designed to install itself as a Safari extension.
Kaspersky's cyber security experts: Malware is detected on one in ten computers. In addition, although it has evolved little since 2018, the attack trend has remained constant.