From 2019 to 2020, the number of Kaspersky users encountering targeted ransomware—malware used to extort money from high-profile targets, such as corporations, government agencies, and municipal organizations—increased by 767%. This increase in targeted ransomware occurred alongside a 29% decrease in the overall number of users affected by any kind of ransomware, with WannaCry still the most frequently encountered family. These are among the most important findings in Kaspersky’s recent report on the ransomware landscape from 2019-2020.
The ransomware threat—when attackers encrypt private information and hold it ransom—became mainstream news in the 2010s following large-scale outbreaks, such as WannaCry and Cryptolocker. They targeted tens of thousands of users and often requested relatively small amounts from victims to have their files returned. Over the years, these campaigns have been on the decline. In fact, from 2019 to 2020, the total number of users that encountered ransomware across all platforms declined from 1,537,465 to 1,091,454—a decrease of 29%. Alongside this decline, however, there has been a rise in targeted ransomware.
Targeted ransomware attacks—attacks against a chosen victim with the goal of extorting money—are often aimed at high-profile targets, such as corporations, government and municipal agencies, and healthcare organizations. The attacks involve significantly more sophistication (network compromise, reconnaissance and persistence, or lateral movement) and a much larger payout.
From 2019 to 2020, the number of users encountering targeted ransomware increased by around 767%.
The number of unique Kaspersky users affected by targeted ransomware, 2019-2020
Some of the most prolific targeted ransomware families during this time were Maze, the infamous group involved in several high-profile incidents, and RagnarLocker, also covered in the news. Both of these families began the trend of exfiltrating data in addition to encrypting it and threatening to make the confidential information public if the victims refused to pay. WastedLocker also made front-page headlines with similar incidents. In many of these cases, the malware is specifically designed to infect each individual target.
Despite the rise in targeted ransomware, the ransomware family most frequently encountered by users is still WannaCry, the ransomware Trojan that first appeared in 2017 and led to damages of at least $4 billion across 150 countries. Nearly 22% of the users that encountered ransomware in 2019 encountered WannaCry; this decreased to 16% in 2020.
“The ransomware landscape has fundamentally changed since it first became big news in the security community. We’ll most likely see fewer and fewer widespread campaigns targeting everyday users. Of course, that’s not to say users aren’t still vulnerable. However, the primary focus will likely continue to be on companies and large organizations, and that means ransomware attacks will continue to become more sophisticated and more destructive. It’s imperative that businesses adopt a holistic, comprehensive set of security practices to protect their data,” comments Fedor Sinitsyn, security expert at Kaspersky.
Read more about the ransomware landscape on Securelist.
To protect your company from ransomware, Kaspersky experts recommend that you:
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