Netskope Threat Labs

TellYouThePass

ATP Sandbox Adv. HeuristicsAV

TellYouThePass is a ransomware family that encrypts files and renames them with the .locked extension, dropping a ransom message in a file named README.html. Its operators state that it uses RSA-1024 and AES-256 cryptography, and the family has repeatedly resurfaced in campaigns exploiting newly disclosed vulnerabilities.

First seen
October 2023
Last seen
October 2026
Alert Name
Gen:Variant.Ransom.TellYouThePass.1
Win64.Ransomware.TellYouThePass