Kaspersky Warns Of Data Stealers

Kaspersky Warns Of Data Stealers

As the malware development market continues to flourish with new stealers, such as Lumma, for the last three years, Redline has remained the dominant data-stealing malware used by cybercriminals. Kaspersky Digital Footprint Intelligence finds that more than half of every device (55%) targeted by password-stealer attacks in 2023 has been infected with the Redline malware.

Infostealers infiltrate devices to illicitly obtain sensitive credentials such as logins and passwords, which are then peddled on the shadow market, posing significant cybersecurity threats to personal and corporate systems.

According to information gleaned from log-files traded or distributed freely on the dark web, Redline was used in 51% of infostealer infections from 2020 to 2023. Other notable malware families included Vidar (17%) and Raccoon (nearly 12%). In total, around 100 distinct infostealer types were identified by Kaspersky Digital Footprint Intelligence between 2020 and 2023 using metadata from log-files.

The underground market for data-stealing malware development is expanding, evident from the rising popularity of new stealers. Between 2021 and 2023, the portion of infections caused by new stealers grew from 4% to 28%. Specifically, in 2023, the new “Lumma” stealer alone was responsible for more than 6% of all infections.

“Lumma emerged in 2022 and gained popularity in 2023, through a Malware-as-a-Service (MaaS) distribution model. This means any criminal, even those without advanced technical skills, can purchase a subscription for a pre-made malicious solution and use this stealer to carry out cyberattacks. Lumma is primarily designed for stealing credentials and other information from cryptocurrency wallets, commonly spread through email, YouTube, and Discord spam campaigns,” – says Sergey Shcherbel, expert at Kaspersky Digital Footprint Intelligence.

To guard against data-stealing malware, individuals are advised to use a comprehensive security solution for any device. This will help prevent infections and alert them to dangers, such as suspicious sites or phishing emails that can be an initial vector for infection. Companies can help their users, employees and partners protect themselves from the threat by proactively monitoring leaks and prompting users to change leaked passwords immediately.

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