Zumanek

Malware type
trojan
Family
Malware family
Profile updated
2026-07-07 15:08:48

Targeted regions: country_code:br

Context

According to ESET, this malware family was active exclusively in Brazil until the middle of 2020. It s identified by its method for obfuscating strings. It creates a function for each character of the alphabet and then concatenates the result of calling the correct functions in sequence.

Detection coverage

  • 1 YARA rules

Detection rules

  • MALPEDIA_Win_Zumanek_Auto (yara-rule)

Reports & references

  • ESET — Dirty Dozen Latin America Amavaldo Zumanek (report)
  • malpedia.caad.fkie.fraunhofer.de — Win.Zumanek (report)
  • ESET — Zumanek Malware Tenta Roubar Credenciais De Servicos (report)

External references