MALWARE FAMILY

Pykspa

Internal ID: win.pykspa

aliases

Last seen:Mar 17, 2026

Intelligence Profile

According to Akamai, Pykspa is a worm that spreads via Skype by sending messages to other Skype users with download links. Once downloaded, Pykspa extracts personal information and communicates with its command and control servers (C2) using a domain generation algorithm (DGA).

Threat Analysis

Pykspa is a malware family tracked by threat intelligence researchers and catalogued in the Malpedia dataset. It represents a distinct malicious software lineage with identifiable code characteristics, behaviors, and victimology.

External References

→https://bin.re/blog/pykspas-inferior-dga-version/

→https://bin.re/blog/the-dga-of-pykspa/

→https://blogs.akamai.com/sitr/2019/07/pykspa-v2-dga-updated-to-become-selective.html

→https://www.akamai.com/blog/security/pykspa-v2-dga-updated-to-become-selective

→https://www.johannesbader.ch/2015/03/the-dga-of-pykspa/

→https://www.johannesbader.ch/2015/07/pykspas-inferior-dga-version/

→https://www.youtube.com/watch?v=HfSQlC76_s4

Quick Facts

TypeMalware Family

Aliases1

Also Known As

win.pykspa

Research Links

MITRE ATT&CK VirusTotal Google (news) Twitter/X search

Data sourced from Malpedia, Ransomware.live, RansomLook, and CTIWATCH OSINT collection. Actor attribution is based on available intelligence and may be incomplete.

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