TF-1933821
high
📛 Threat Title
Unknown Loader: Domain name that delivers a malware payload theosis.site
Description
Indicator that identifies a malware distribution server (payload delivery). IOC type: Domain name that delivers a malware payload. Attributed malware: Unknown Loader. Confidence: 75. First seen: 2026-09-25 16:07:29 UTC. Reporter: varysz. Tags: etherhiding, victim.
Indicators of Compromise (1)
Each indicator is enriched from the IOC database, threat-intel feed corroboration (Threat Hunt) and VirusTotal. Click one to expand.
domain
theosis.site
VT: VT base fetch failed: HTTPError: 401 Client Error: Unauthorized for url: https://www.virustotal.com/api/v3/domains/theosis.site
UrlVoid 3 / 36
IOC database
- Type
- domain
- Value
theosis.site- First seen
- Last seen
- Attached to this threat
- Appears in
- 1 threat
- Description
- Ingested from IOC source: https://threatfox.abuse.ch/downloads/hostfile/
Threat Hunt — feed corroboration
Not present in any configured threat-intel feed.
Details From VirusTotal
VirusTotal: VT base fetch failed: HTTPError: 401 Client Error: Unauthorized for url: https://www.virustotal.com/api/v3/domains/theosis.site
References (2)
- Malpedia profile ThreatFox IOCs
-
ThreatFox IOC page
ThreatFox IOCs
Indicator that identifies a malware distribution server (payload delivery). IOC type: Domain name that delivers a malware payload. Attributed malware: Unknown Loader. Confidence: 75. First seen: 2026-09-25 16:07:29 UTC. Reporter: varysz. Tags: etherhiding, victim.
Remediations (10)
-
web:cyberpress.org
ClickFix Delivers Blockchain Banking Malware The attack starts when users visit an infected legitimate website through Google or Bing search results. Malicious JavaScript injected into the site contacts a traffic-distribution system, which decides whether to show the visitor a fake "Human Verification" page.
-
web:darkwebinformer.com
A new domain -based indicator has been identified associated with payload delivery activity tied to the malware unknown_loader . This domain , advertised under the guise of a mobile advertising and monetization platform, poses a high-confidence threat to users and organizations.
-
web:ismalicious.com
4,553 indicators of compromise attributed to the Unknown Loader malware family — domains , IPs, URLs and file hashes, from abuse.ch feeds.
-
web:rhisac.org
The malware provides operators with persistence, system reconnaissance, command execution, payload delivery, and resilient command and control capabilities. Key Takeaways DOUBLECUP is a Russian Loader - as -a-Service developed for ClickFix campaigns and has operated since early June 2026.
-
web:thehackernews.com
Microsoft details a new ClickFix variant abusing DNS nslookup commands to stage malware , enabling stealthy payload delivery and RAT deployment.
-
web:thehackernews.com
ClickFix attacks are delivering BabaDeda, Lorem Ipsum, and Potemkin loaders to deploy stealers, RATs, and ransomware-linked tooling.
-
web:www.csoonline.com
The domain name third-party[.]com is being used to serve malware to users — bad news for those following a little too literally online documentation that uses it as a placeholder for any third ...
-
web:www.hhs.gov
Overview of ClickFix Attacks Threat actors initiate these campaigns by logging into websites with stolen credentials and installing fake plugins in compromised environments. Once installed, the plugins inject malicious JavaScript containing a known variation of fake browser update malware that uses blockchain and smart contracts to obtain malicious payloads ( a practice known as EtherHiding ...
-
web:www.malwarebytes.com
A domain used in software examples—third-party[.]com—now serves up a fake verification page that tells Windows users to run a PowerShell command.
-
web:www.malwarebytes.com
We uncovered ClickFix attacks using fake Google and Cloudflare pages to deliver everything from infostealers to a newly discovered malware loader .
AI Forensic Analysis
Only Available for Registered Users. Sign in to view.