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One example is posing as voicemail recorders. In Q3, Avast has seen novel scenarios in spreading this malware. Jakub Kroustek said, "Flubot first spread posing as delivery services to lure the victims into downloading a "tracking app" for a parcel they recently missed or should be expecting.
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#AVAST SECURITY PRO REVERSE PURCHASE ANDROID#
The Avast Threat Labs also monitored new tactics on the mobile front, with FluBot, an Android SMS banking threat, changing its social engineering approach. Some exploit kits, especially PurpleFox and Magnitude, are under heavy development, regularly receiving new features and exploitation capabilities. The Underminer exploit kit woke up after a long period of inactivity and started sporadically serving HiddenBee and Amadey. Rig and Magnitude were also prevalent throughout the whole quarter. The most active exploit kit was PurpleFox, against which Avast protected over 6,000 users per day on average. Rootkits commonly provide services to other malware in the user mode.Īnother malware category that appears to be returning are Exploit Kits, with notable new innovations occurring, including the targeting of Google Chrome vulnerabilities. A rootkit is malicious software designed to give unauthorized access to cybercriminals, with the highest system privileges. The Avast Threat Labs also recorded a significant increase in rootkit activity at the end of Q3, which was one of the most significant increases in activity in the quarter. Growing distribution of rootkits, and innovation in exploit kits and mobile banking trojans