Malware
MirrorBlast
According to Minerva Labs, MirrorBlast malware is a trojan that is known for attacking users’ browsers.
MirrorBlast is a Windows malware family operated by TA505.
Background
Minerva Labs characterizes MirrorBlast as a trojan notable for going after users' browsers. It typically masquerades as a legitimate browser add-on, but has since gained extra functionality that lets it drop other malware at the same time. The trojan has been tentatively linked to the TA505 and PYSA groups.
Source: Malpedia (Fraunhofer FKIE).