APT / THREAT GROUP

Valak

aliases

Last seen:Mar 17, 2026

Intelligence Profile

According to PCrisk, Valak is malicious software that downloads JScript files and executes them. What happens next depends on the actions performed by the executed JScript files. It is very likely that cyber criminals behind Valak attempt to use this malware to cause chain infections (i.e., using Valak to distribute other malware).

Research shows that Valak is distributed through spam campaigns, however, in some cases, it infiltrates systems when they are already infected with malicious program such as Ursnif (also known as Gozi).

Threat Analysis

Valak is a known-sophistication threat actor of undetermined national origin, engaged in cyber operations with a primary motivation of unknown activity patterns.

External References

→https://blog.talosintelligence.com/2020/07/valak-emerges.html

→https://cocomelonc.github.io/malware/2023/07/26/malware-tricks-35.html

→https://labs.sentinelone.com/valak-malware-and-the-connection-to-gozi-loader-confcrew/

→https://medium.com/@prsecurity_/casual-analysis-of-valak-c2-3497fdb79bf7

→https://security-soup.net/analysis-of-valak-maldoc/

Quick Facts

TypeAPT / Threat Group

Aliases3

Also Known As

Valekjs.valakValak

External Intelligence

Malpedia: js.valak

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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