TF-MAL-elf.interlock
📛 Threat Title
Malware family: Interlock
Description
ThreatFox malware family `elf.interlock`. Printable name: Interlock.
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
elf.interlock
VT: VT base fetch failed: HTTPError: 429 Client Error: Too Many Requests for url: https://www.virustotal.com/api/v3/domains/elf.interlock
IOC database
- Type
- domain
- Value
elf.interlock- First seen
- Last seen
- Attached to this threat
- Appears in
- 1 threat
- Description
- Extracted from Threat TF-MAL-elf.interlock
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/domains/elf.interlock
References (1)
- ThreatFox: IOCs for this family ThreatFox Malwares
Remediations (10)
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web:cybernews.com
The US Cybersecurity and Infrastructure Security Agency is warning businesses in North America and Europe to harden their systems against Interlock ransomware.
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web:cybersecuritynews.com
The newly emerged Interlock variant represents a particularly sophisticated threat, employing unconventional attack methods that set it apart from typical ransomware operations.
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web:cyble.com
Interlock is a stealthy, ransomware group known for targeting critical sectors with double extortion tactics. It uses fake software updates, stolen credentials, and cloud exfiltration to pressure victims into paying.
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web:www.attackiq.com
AttackIQ releases two attack graphs mapping Interlock ransomware TTPs and IOCs detailed in CISA Advisory AA25-203A from July 22, 2025.
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web:www.cisa.gov
Prevent initial access by implementing domain name system (DNS) filtering and web access firewalls, and training users to spot social engineering attempts. Mitigate known vulnerabilities by ensuring operating systems, software, and firmware are patched and up to date. Segment networks to restrict lateral movement from initial infected devices and other devices in the same organization ...
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web:www.csoonline.com
A new joint advisory by the FBI, HHS, and CISA reveals how Interlock's psychological manipulation and rare entry vectors like drive-by downloads and fake system fixes are reshaping ransomware ...
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web:www.fortinet.com
An in-depth analysis of an Interlock ransomware intrusion, detailing new malware tooling, defense evasion techniques, and high-ROI detection strategies.
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web:www.helpnetsecurity.com
A Cisco Secure FMC flaw (CVE-2026-20131) patched in early March 2026 has been exploited as a zero-day by the Interlock ransomware gang.
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web:www.ic3.gov
Actions for Organizations to Take Today to Mitigate Cyber Threats Related to Interlock Ransomware Activity Prevent initial access by implementing domain name system (DNS) filtering and web access firewalls, and training users to spot social engineering attempts.
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web:www.picussecurity.com
Interlock ransomware targets critical infrastructure using drive-by downloads, ClickFix social engineering, and double extortion. In this blog post, Picus explains the TTPs of the Interlock group in detail.
AI Forensic Analysis
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