Kaspersky Security Bulletin 2021. Statistics

All statistics in this report are from the global cloud service Kaspersky Security Network (KSN), which receives information from components in our security solutions. The data was obtained from users who had given their consent to it being sent to KSN. Millions of Kaspersky users around the globe assist us in collecting information about malicious activity. The statistics in this report cover the period from November 2020 to October 2021, inclusive.

Figures of the year

• During the year, 15.45% of internet user computers worldwide experienced at least one Malware-class attack.
• Kaspersky solutions blocked 687,861,449 attacks launched from online resources across the globe.
• 114,525,734 unique malicious URLs triggered Web Anti-Virus components.
• Our Web Anti-Virus blocked 64,559,357 unique malicious objects.
• Ransomware attacks were defeated on the computers of 366,256 unique users.
• During the reporting period, miners attacked 1,184,986 unique users.
• Attempted infections by malware designed to steal money via online access to bank accounts were logged on the devices of 429,354 users.

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Kaspersky researchers have discovered new Mirage Kitten attacks using previously undocumented malware families: NodeRabbit in Node.js and PollCat in JavaScript.

Our experts discovered a new CoolClient backdoor variant with a kernel-mode rootkit driver that hides malicious processes, files, and network connections from security tools and threat analysts.

Kaspersky experts break down a new Armored Likho campaign that poses as a fundraising efforts and delivers a new Still Toolkit aimed at stealing Telegram data and eavesdropping on victims.

Kaspersky researchers reveal previously undocumented malware attributed to Mirage Kitten (UNC1549, Smoke Sandstorm, Nimbus Manticore): NightLedger backdoor, ArcBridge, and BridgeHead tunneling tools.