Vidar Stealer

malware OpenTrojan Threat Intelligence

Info stealer (fork of Arkei)

Source Attribution

Origin
MITRE
Source
Researchers
Verified
2026-08-26T16:11:50.351Z
Confidence
high

Source: Researchers · Verified: 2026-08-26T16:11:50.351Z · Confidence: high

Security Timeline

  • discovered Vidar Stealer first observed
  • updated Encyclopedia entry reviewed (Phase 45C)

Quick Answer

Vidar is an info stealer forked from Arkei, harvested via multiply-distributed phishing. (attributes recorded from Researchers).

Definition

Vidar is an info stealer forked from Arkei, harvested via multiply-distributed phishing.

Overview

Vidar is an info stealer forked from Arkei, harvested via multiply-distributed phishing.

Behavior

  • Monero + credentials
  • short-lived C2

First Seen

2018-12

Target

Info stealer (fork of Arkei)

Malware Intelligence

Family: Vidar Stealer

Techniques: T1555, T1105

Targets: Info stealer (fork of Arkei)

Behavior:
  • Monero + credentials
  • short-lived C2

References

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  5. Sources — NVD, CISA KEV, MITRE ATT&CK, vendor advisories.
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