TF-1812284
high
📛 Threat Title
ClearFake: Domain name that delivers a malware payload cloudruntime.courses
Description
Indicator that identifies a malware distribution server (payload delivery). IOC type: Domain name that delivers a malware payload. Attributed malware: ClearFake. Confidence: 100. First seen: 2026-05-14 19:48:13 UTC. Last seen: 2026-05-14 19:48:39 UTC. Reporter: threatcat_ch. Tags: ClearFake.
Indicators of Compromise (3)
Each indicator is enriched from the IOC database, threat-intel feed corroboration (Threat Hunt) and VirusTotal. Click one to expand.
ipv4
104.21.42.43
VT: VT base fetch failed: HTTPError: 429 Client Error: Too Many Requests for url: https://www.virustotal.com/api/v3/ip_addresses/104.21.42.43
IOC database
- Type
- ipv4
- Value
104.21.42.43- First seen
- Last seen
- Attached to this threat
- Appears in
- 2 threats
- Description
- Resolved from domain aquji-opodi.online
Threat Hunt — feed corroboration
Not present in any configured threat-intel feed.
Details From VirusTotal
VirusTotal: VT base fetch failed: HTTPError: 429 Client Error: Too Many Requests for url: https://www.virustotal.com/api/v3/ip_addresses/104.21.42.43
ipv4
172.67.156.26
VT: VT base fetch failed: HTTPError: 429 Client Error: Too Many Requests for url: https://www.virustotal.com/api/v3/ip_addresses/172.67.156.26
IOC database
- Type
- ipv4
- Value
172.67.156.26- First seen
- Last seen
- Attached to this threat
- Appears in
- 2 threats
- Description
- Resolved from domain aquji-opodi.online
Threat Hunt — feed corroboration
Not present in any configured threat-intel feed.
Details From VirusTotal
VirusTotal: VT base fetch failed: HTTPError: 429 Client Error: Too Many Requests for url: https://www.virustotal.com/api/v3/ip_addresses/172.67.156.26
domain
cloudruntime.courses
IOC database
- Type
- domain
- Value
cloudruntime.courses- First seen
- Last seen
- Attached to this threat
- Appears in
- 1 threat
- Description
- Domain name that delivers a malware payload attributed to ClearFake
Threat Hunt — feed corroboration
Not present in any configured threat-intel feed.
Details From VirusTotal
No VirusTotal details cached for this IOC. Open the IOC page to query VirusTotal.
References (2)
- Malpedia profile Threatfox IOCs/Threats
-
ThreatFox IOC page
Threatfox IOCs/Threats
Indicator that identifies a malware distribution server (payload delivery). IOC type: Domain name that delivers a malware payload. Attributed malware: ClearFake. Confidence: 100. First seen: 2026-05-14 19:48:13 UTC. Last seen: 2026-05-14 19:48:39 UTC. Reporter: threatcat_ch. Tags: ClearFake.
Remediations (10)
-
web:blog.sekoia.io
ClearFake's New Widespread Variant: Increased Web3 Exploitation for Malware Delivery ClearFake is a malicious JavaScript framework deployed on compromised websites to deliver malware through the drive-by download technique. When it first emerged in July 2023, the injected code was designed to display a fake...
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web:cybersecuritynews.com
Sekoia researchers noted that the ClearFake infrastructure includes over 9,300 compromised websites, with thousands of users potentially exposed to these malicious lures every day. The use of blockchain technology for malware delivery represents an emerging threat that makes traditional mitigation and blocking significantly more challenging.
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web:darkwebinformer.com
📖 Overview A domain associated with the ClearFake JavaScript-based malware campaign has been identified. The domain currently displays a Cloudflare phishing warning and has been reported for malicious activity. ClearFake campaigns are known for distributing malicious scripts that deliver payloads or redirect users to further phishing pages. Confidence is assessed at 100%.
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web:expel.com
ClearFake's latest campaign uses fake CAPTCHAs and social engineering trick victims into installing malware , and it's getting more evasive.
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web:rhisac.org
Context Sekoia researchers have released updates on ClearFake , a malicious JavaScript framework that infects compromised websites to deliver malware through drive-by downloads and social engineering tactics. Initially observed in July 2023, ClearFake utilized fake browser update prompts to trick users into downloading malware .
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web:thehackernews.com
ClearFake malware infects 9,300+ websites, using fake reCAPTCHA and Web3 tactics to spread Lumma and Vidar Stealers, exposing 200,000+ users.
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web:threatfox.abuse.ch
ClearFake IOC: cloudruntime.courses ( domain ) You are viewing the ThreatFox database entry for domain cloudruntime.courses .
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web:www.darktrace.com
ClearFake continues to be observed across multiple sectors, but Darktrace remains well‑positioned to counter such threats. Because ClearFake's end goal is often to deliver malware such as information stealers and malware loaders, early disruption is critical to preventing compromise.
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web:www.kroll.com
Key Takeaways Kroll continues to observe a rapid evolution in how CLEARFAKE is delivering payloads to victims across all sectors. Clusters of evolved techniques include the use of data/time obfuscation to create filenames as well as variations of MSHTA usage. Despite the evolution, there remains a number of key themes that can assist in detection and mitigation of this threat, including ...
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web:www.linkedin.com
Key Findings From My Latest Threat Intelligence Project As promised, I am sharing some of the core insights from my recent analysis of the ClearFake malware campaign; an evolving browser-based ...
AI Forensic Analysis
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