Heres How Fast Ransomware Encrypts Files

New analysis shows how long it takes for each of the top 10 ransomware families to encrypt 100,000 files.

Forty-two minutes and 54 seconds: thats how quickly the median ransomware variant can encrypt and lock out a victim from 100,000 of their files.
The data point came from Splunks SURGe team, which analyzed in its lab how quickly the 10 biggest ransomware strains — Lockbit, REvil, Blackmatter, Conti, Ryuk, Avaddon, Babuk, Darkside, Maize, and Mespinoza — could encrypt 100,000 files consisting of some 53.93 gigabytes of data. Lockbit won the race, with speeds of 86% faster than the median. One Lockbit sample was clocked at encrypting 25,000 files per minute.
Splunks team found that ransomware variants are all over the map speed-wise, and the underlying hardware can dictate their encryption speeds.
We created four different victim profiles consisting of Windows 10 and Windows Server 2019 operating systems, each with two different performance specifications benchmarked from customer environments. We then chose 10 different ransomware families and 10 samples from each of those families to test, noted Splunk security practitioner Shannon Davis
in a blog post about the study
.

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Heres How Fast Ransomware Encrypts Files