TF-1931845
high
📛 Threat Title
Unknown Loader: Domain name that delivers a malware payload olivaferreira.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 07:37:11 UTC. Last seen: 2026-09-24 07:47:42 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
olivaferreira.eng.br
UrlVoid 3 / 36
IOC database
- Type
- domain
- Value
olivaferreira.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
-
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 07:37:11 UTC. Last seen: 2026-09-24 07:47:42 UTC. Reporter: varysz. Tags: etherhiding, victim.
Remediations (10)
-
web:arcticwolf.com
Arctic Wolf has identified a new malware loader we're calling Caminho, a Brazilian-origin Loader - as -a-Service operation that uses steganography to conceal .NET payloads within image files hosted on legitimate platforms.
-
web:blog.sicuranext.com
A real-world ClickFix intrusion observed from both sandbox and endpoint telemetry, revealing the complete attack path from a compromised WordPress site to a blocked GULoader execution, including a full process creation call stack from the Windows Run dialog to the kernel.
-
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:gbhackers.com
Threat actors on underground forums are now promoting a new "ClickFix" payload -delivery technique that hides malware in the browser cache to evade endpoint detection and response.
-
web:reliaquest.com
Learn about the role of malware loaders in cybercriminal campaigns, their distribution methods, and strategies for detection and mitigation .
-
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.
-
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 .
-
web:www.malwarebytes.com
We found PavinLoader being used across ClickFix, fake software, and RenPy campaigns to deliver Amatera Stealer and other malware .
-
web:www.rapid7.com
Rapid7 Labs has identified an ongoing, widespread compromise of legitimate WordPress websites, misused by an unidentified threat actor to inject a ClickFix implant (impersonating a Cloudflare human verification challenge [CAPTCHA]). The lure can be used for financial theft or to conduct further, more targeted attacks against organizations.
-
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
Only Available for Registered Users. Sign in to view.