TF-1931912
high
📛 Threat Title
Unknown Loader: Domain name that delivers a malware payload qsi.eng.br
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: 2026-09-24 07:37:16 UTC. Last seen: 2026-09-24 07:47:44 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
qsi.eng.br
IOC database
- Type
- domain
- Value
qsi.eng.br- First seen
- Last seen
- Attached to this threat
- Appears in
- 1 threat
- Description
- Domain name that delivers a malware payload attributed to Unknown Loader
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
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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: 2026-09-24 07:37:16 UTC. Last seen: 2026-09-24 07:47:44 UTC. Reporter: varysz. Tags: etherhiding, victim.
Remediations (10)
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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.
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web:reliaquest.com
Learn about the role of malware loaders in cybercriminal campaigns, their distribution methods, and strategies for detection and mitigation .
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web:thecyberexpress.com
A newly identified loader dubbed "Caminho" (Portuguese for "path") has emerged as a sophisticated Loader - as -a-Service platform that uses Least Significant Bit (LSB) steganography to conceal malicious .NET payloads inside innocuous image files.
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web:urlhaus.abuse.ch
URLhaus URLhaus is a platform from abuse.ch and Spamhaus dedicated to sharing malicious URLs that are being used for malware distribution. Report URLs and explore the database for valuable intelligence. Use the APIs, to seamlessly push and pull signals, and automate bulk queries. With this intelligence, gain insights into malware behavior, to help identify, track, and mitigate against malware ...
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web:www.csoonline.com
The WordPress ClickFix campaign delivers three separate infostealer payloads — two of them previously unknown — and uses domain infrastructure that appears to have been set up since July 2025.
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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 ...
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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 .
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web:www.microsoft.com
The ClickFix social engineering technique has been growing in popularity, with campaigns targeting thousands of enterprise and end-user devices daily. This technique exploits users' tendency to resolve technical issues by tricking them into running malicious commands. These commands, in turn, deliver payloads that ultimately lead to information theft and exfiltration.
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web:www.microsoft.com
From late April 2026 to mid-June 2026, Microsoft Defender Experts observed increased ACR Stealer activity across customer environments. These campaigns are successfully using ClickFix lures to steal browser credentials, authentication tokens, and sensitive documents from enterprise environments.
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web:www.seqrite.com
Unlike simple payloads , loaders are engineered with a dedicated purpose: to circumvent security defenses, establish persistence, and create a favorable environment for the hidden execution of the final-stage malware . This makes them a more significant and relevant threat that demands focused analysis.
AI Forensic Analysis
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