Is mdaAmbience.dll safe?
No engine among 76 detected this long-observed DLL, while its unpacked static structure and absence of corroborating threat intelligence further reduce concern.
All 76 antivirus engines returned without a malicious or suspicious detection, including 16 tier-1 engines reporting clean. The DLL has been observed since 2010 and shows no packing or high-entropy code, although it is unsigned and no runtime analysis was completed.
fb55fdac2cbb2b4d8b…f691acdf1f97efRecommended 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.
All 76 antivirus engines returned without a malicious or suspicious detection, including 16 tier-1 engines reporting clean. The DLL has been observed since 2010 and shows no packing or high-entropy code, although it is unsigned and no runtime analysis was completed.
The strongest evidence is complete agreement across 76 antivirus engines, with no malicious or suspicious labels. Sixteen tier-1 engines reported clean, and none identified a malware family. The file has also been known for more than 16 years, reducing the likelihood that an established malicious sample would remain universally undetected. Static PE analysis found neither packing nor high-entropy code, and no external intelligence source supplied a matching threat indicator. The unsigned status weakens publisher attribution but does not outweigh the broad detection results and long history. No completed sandbox run or complete host-reputation cross-check is available, so runtime activity remains unverified.
What We Detected
None of 76 antivirus engines marked the DLL as malicious or suspicious. Sixteen tier-1 engines reported clean, and no engine supplied a malware-family label. The file has been observed since February 2010 across 13 submissions from 12 sources.
Threat Behavior
Static PE analysis found no recognized packer, no likely packing, and no high-entropy code. No heuristic rules fired, no brand mismatch was detected, and YARAify, MalwareBazaar, and CIRCL supplied no corroborating threat hit. No completed sandbox observation or complete contacted-host reputation result is available, so network and runtime behavior cannot be characterized.
What To Do Now
The evidence supports ordinary use when the DLL came from an expected application or trusted installation source. Keep endpoint protection enabled and verify the file's origin if it appeared unexpectedly, because it lacks a digital signature.
Where this verdict could be wrong2 caveats
- signing.signed=false and signing.signerStats.found=false — no authenticated publisher identity or signer history supports the file.
- behaviour=null and contactedHosts=null — runtime activity and contacted-host reputation were not assessed.
These are the assessment's weak points. If you believe one applies to your file, report the verdict and we'll re-review it.
- 0/76 antivirus engines reported a malicious or suspicious result.
- 16 tier-1 engines reported clean and tier1Malicious=0.
- The sample has been observed since 2010.
- No packer, likely packing, or high-entropy code was identified.
- No external-intelligence or heuristic hit was recorded.
- The DLL is unsigned and has no verified publisher identity.
- No completed sandbox execution is available.
- No complete contacted-host reputation cross-check is available.
Use the DLL if it belongs to the expected application and came from a trusted source. Keep endpoint protection enabled, and quarantine it for further runtime testing if its origin is unknown.
Coverage & freshness
Complete means the check returned a usable result. It does not mean the file is safe.
Antivirus
Complete0 of 76 engines flagged the file.
Sandbox
PartialRuntime data is present, but no completed sandbox environment is recorded.
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 behavior was not available
The report does not treat a missing runtime observation as a clean result.
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
- 0 / 76engines flagged
- 12sources in submission history
Why these facts are shown
Each statement identifies whether it was directly recorded or derived from saved scan facts.
- 01
0 of 76 antivirus engines flagged the file.
Verdict inputView chapterProvenanceObservedSourceAntivirus analysisObserved at - 02
No completed runtime observation is available for this file.
ProvenanceDerivedSourceRuntime coverageObserved at - 03
The hash has been submitted 13 times from 12 sources.
ProvenanceDerivedSourceSaved report factsObserved 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.
0 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
- mdaAmbience.dll
- Format
- Win32 DLL
- Code signing
- No verified publisher
- Size
- 84.5 KB
- Last analyzed
- Sep 11, 2026, 7:17 PM UTC
fb55fdac2cbb2b4d8b51bc8526a3614d855bdab28d71001da8f691acdf1f97efSafety & 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 mdaAmbience.dll safe?
What is mdaAmbience.dll?
How many antivirus engines detected mdaAmbience.dll?
What is the SHA-256 hash of mdaAmbience.dll?
Is it safe to use mdaAmbience.dll?
How up to date is this analysis of mdaAmbience.dll?
Community
Member reviews and reports for this exact file hash.