Polyglot

First seen
2021-06-01 00:00:00
Malware type
ransomware
Last IoC activity
2026-06-21 15:55:28
Profile updated
2026-07-07 15:42:56

Targeted industries: financial-services healthcare-and-pharmaceutical technology-and-telecommunications

Context

Polyglot is a ransomware that imitates the behavior of CTB-Locker, using similar encryption techniques to lock users out of their assets. It primarily targets several key industries and leverages social engineering for distribution.

Detection coverage

  • 2 YARA rules

Detection rules

  • MALPEDIA_Win_Polyglot_Ransom_Auto (yara-rule)
  • DELIVRTO_SUSP_PDF_MHT_Activemime_Sept23 (yara-rule)

Reports & references

  • support.kaspersky.com — 8547 (report)
  • Kaspersky — Polyglot The Fake Ctb Locker (report)
  • malpedia.caad.fkie.fraunhofer.de — Win.Polyglot Ransom (report)

External references