Is ECNtl006.dll safe?
Only Cynet flagged this unsigned DLL, while all 18 reporting tier-one engines and the completed sandbox produced no corroborating malware finding.
The lone detection comes from Cynet, a low-trust engine, while 18 tier-one engines reported no detection. One completed sandbox found no offensive techniques, malicious verdict, persistence, dropped payloads, or network contacts, and static analysis showed no packing indicators.
25a24aea554cefe38f…b987b7465401baRecommended next actions
Before using
Use it only as part of software obtained from the developer's official site or another source you independently trust.
If you already used it
Keep normal device protection enabled and stop if the file behaves unexpectedly.
Intelligence
The saved assessment, checked against the scan evidence and recorded coverage.
The reasoning behind this verdict
This section explains the evidence supporting the verdict and keeps conflicting or missing signals visible.
The lone detection comes from Cynet, a low-trust engine, while 18 tier-one engines reported no detection. One completed sandbox found no offensive techniques, malicious verdict, persistence, dropped payloads, or network contacts, and static analysis showed no packing indicators.
Only 1 of 76 engines flagged the DLL, and that result came from the low-trust Cynet engine without a named family. All 18 reporting tier-one engines produced no detection, which makes the isolated generic alert likely to be a false positive. One sandbox run recorded ambient techniques, including environment checking, but no offensive techniques, malicious sandbox verdict, persistence, dropped hashes, or network contacts. Static PE analysis found neither high-entropy code nor likely packing, and external intelligence produced no corroborating hits. The DLL is unsigned, so its publisher and provenance remain unverified, and no complete contacted-host reputation result is available.
What We Detected
Cynet was the only engine to flag the sample among 76 engines, using a generic malicious score rather than a named malware family. No tier-one engine detected it: engines.tier1Malicious=0 and engines.tier1ReportedClean=18. YARAify, CIRCL, and MalwareBazaar provided no corroborating intelligence hits.
Threat Behavior
One completed sandbox run recorded four ambient techniques, including system-information discovery, rundll32 execution, application-layer protocol behavior, and environment-evasion checks. It found no offensive techniques, malicious sandbox verdict, persistence indicators, dropped file hashes, or network contacts. Static analysis also found no packer, high-entropy code, or likely packing. Because contactedHosts=null, no separate complete host-reputation cross-check is available.
What To Do Now
Keep endpoint protection enabled and obtain the DLL from its expected software package or official distribution channel. If its origin is unknown or it appeared unexpectedly, quarantine it and verify the surrounding application before loading it with rundll32 or another host process.
Where this verdict could be wrong4 caveats
- Cynet reported “Malicious (score: 100),” although no second engine or named malware family corroborated that generic result.
- signing.signed=false for a Win32 DLL, so publisher identity and a trusted signer history are unavailable.
- The observed T1497 environment-evasion technique and long-sleep/debug-environment tags can occur in evasive software, but behaviour.offensiveCount=0 and no malicious sandbox verdict accompanied them.
- contactedHosts=null means no complete host-reputation cross-check is available, although the sandbox recorded no network contacts.
These are the assessment's weak points. If you believe one applies to your file, report the verdict and we'll re-review it.
- Only 1/76 engines flagged the file, and onlyLowTrustFlagging=true.
- engines.tier1Malicious=0 with 18 tier-one engines reporting no detection.
- behaviour.offensiveCount=0 and behaviour.hasMaliciousSandboxVerdict=false.
- No persistence indicators, dropped file hashes, or observed network contacts were recorded.
- peAnalysis.highEntropyCode=false and peAnalysis.likelyPacked=false.
- The Win32 DLL is unsigned, so publisher identity cannot be verified.
- Cynet produced one generic malicious detection.
- Sandbox evidence includes T1497 environment-evasion behavior.
- No complete contacted-host reputation cross-check is available.
Keep protection enabled and use the DLL only if it came with software obtained from a trusted official source. Quarantine and investigate it if the file appeared unexpectedly or its parent application cannot be verified.
Coverage & freshness
Complete means the check returned a usable result. It does not mean the file is safe.
Antivirus
Complete1 of 76 engines flagged the file.
Sandbox
Complete1 isolated runtime environment contributed observations.
Network
Not runNo contacted-host reputation check is recorded.
No timestamp recordedYARA
CompleteRule evaluation completed with no recorded matches.
External intel
Complete3 of 3 independent reference sources completed.
Behavior
Plain-English impact first, then the observed runtime evidence.
Runtime flight recorder
Capture complete- 1isolated sandbox run
- 4MITRE ATT&CK techniques
- 1spawned processes
- 0network contacts
- 1filesystem & mutex artifacts
Attack story
Runtime observations grouped by analysis stage. Arrows organize the stages; they do not claim chronology or causality.
Input file
The submitted object
- FileObserved
ECNtl006.dll
25a24aea554cefe38f9f92cb05562665fa94fbd3326f2b5dc6b987b7465401ba
01Uploaded file
Processes
Runtime execution
- ProcessObserved
Observed process
"C:\Windows\sysnative\rundll32.exe" "C:\Users\<USER>\Desktop\readme.dll",#1
02Isolated runtime analysis
Files
Created or changed
- Written fileObserved
Connect
\Device\ConDrv\\Connect
03Isolated runtime analysis
3 recorded facts from one runtime window. Every fact remains independently traceable in Analyst mode.
What this file did when executed
This file was detonated in 1 sandbox and its runtime behaviour was observed.
Adversary techniques mapped to the MITRE ATT&CK framework.
- \Device\ConDrv\\Connect
Detection & Forensics
Consensus, attribution, signatures, code structure, prevalence, and identity.
Evidence integrity
Chain of custody for the facts preserved in this report.
- 0rule hits recorded
- 1 / 76engines flagged
- 7sources in submission history
Why these facts are shown
Each statement identifies whether it was directly recorded or derived from saved scan facts.
- 01
1 of 76 antivirus engines flagged the file, including Cynet.
Verdict inputView chapterProvenanceObservedSourceAntivirus analysisObserved at - 02
The hash has been submitted 7 times from 7 sources.
ProvenanceDerivedSourceSaved report factsObserved at - 03
Scanned file: ECNtl006.dll — 25a24aea554cefe38f9f92cb05562665fa94fbd3326f2b5dc6b987b7465401ba
ProvenanceObservedSourceUploaded fileObserved at - 04
Observed process — "C:\Windows\sysnative\rundll32.exe" "C:\Users\<USER>\Desktop\readme.dll",#1
ProvenanceObservedSourceIsolated runtime analysisObserved at - 05
File written: Connect — \Device\ConDrv\\Connect
ProvenanceObservedSourceIsolated runtime analysisObserved at
Detection sources at a glance
The available sources did not agree on a named threat category.
MalwareBazaar, YARAify, and CIRCL hashlookup completed and returned no entries for this hash.
YARA rules
No matchesThe rule pass completed without a saved public match.
1 of 76 engines flagged this file
View all 76 engine results
Section entropy & packers
No high-entropy executable section or known packer signature was detected. Data and resource sections can still have high entropy without indicating packed code.
How widely this file has been seen
Moderate prevalence — neither rare nor common. No strong prior applies.
Fingerprint and provenance
- File name
- ECNtl006.dll
- Format
- Win32 DLL
- Code signing
- No verified publisher
- Size
- 10.5 KB
- Last analyzed
- Sep 10, 2026, 12:44 PM UTC
25a24aea554cefe38f9f92cb05562665fa94fbd3326f2b5dc6b987b7465401baSafety & FAQ
Complete recovery guidance and answers for the next decision.
What to do now
This file appears low risk based on the evidence available now.
- Recovery step 01
Use it only as part of software obtained from the developer's official site or another source you independently trust.
- Recovery step 02
A clean result reduces known risk, but it cannot guarantee that every new or targeted threat has been detected.
- Recovery step 03
Keep your antivirus and Windows updates switched on so you stay protected.
Safety FAQ
Direct answers grounded in the saved verdict and evidence in this report.
Is ECNtl006.dll safe?
What is ECNtl006.dll?
How many antivirus engines detected ECNtl006.dll?
What is the SHA-256 hash of ECNtl006.dll?
Is it safe to use ECNtl006.dll?
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Community
Member reviews and reports for this exact file hash.