Is optimum kinematics download.7z safe?
No antivirus engine detected the 7-Zip archive, although its very limited history and absence of runtime analysis warrant ordinary download precautions.
The archive drew 0 detections from 74 antivirus engines, including no alerts from 17 tier-1 engines, and external research sources supplied no matching threat intelligence. Confidence is moderated because it was submitted only once, has no runtime results, and its contents may require separate scanning after extraction.
9e405173ac37c5a033…51f28ecd75b5c5Recommended next actions
Before opening or extracting
Open or extract it only when its sender or download source has been independently verified.
If you already opened or extracted 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 archive drew 0 detections from 74 antivirus engines, including no alerts from 17 tier-1 engines, and external research sources supplied no matching threat intelligence. Confidence is moderated because it was submitted only once, has no runtime results, and its contents may require separate scanning after extraction.
The strongest evidence is the complete absence of detections across 74 antivirus engines, with 17 tier-1 products also reporting no detection. No named malware family, hacktool label, malicious child, or external research match appears in the evidence. Code signing is not meaningful for a 7-Zip archive, so the absence of a signer is neutral. The archive is newly observed and has only one submission, which limits reputation-based assurance. No completed sandbox observation or contacted-host reputation result is available, so the evidence does not establish how extracted contents would behave. The five prior archive-format decisions offer weak supporting context because they match only by file type.
What We Detected
The archive received 0 malicious and 0 suspicious results from 74 antivirus engines. All 17 reporting tier-1 engines, including BitDefender, Kaspersky, ESET-NOD32, and Microsoft, produced no detection. No malware family was identified, and YARAify, CIRCL, and MalwareBazaar supplied no matching threat intelligence.
Threat Behavior
No completed runtime analysis is available because behaviour is null. The contacted-host cross-check was also not completed or saved, so no conclusion can be drawn about network reputation. As this is a compressed archive, any enclosed executables or scripts may need separate analysis after extraction.
What To Do Now
Keep endpoint protection enabled and scan both the archive and its extracted contents before opening them. Because the file is newly observed and has only one recorded submission, confirm that it came from the expected official or trusted source before running anything inside.
Where this verdict could be wrong3 caveats
- behaviour=null, so the archive and any enclosed files were not observed executing.
- contactedHosts=null, meaning no complete contacted-host reputation result is available.
- The sample is newly observed from a single source, limiting confidence despite 0/74 detections.
These are the assessment's weak points. If you believe one applies to your file, report the verdict and we'll re-review it.
- 0/74 antivirus engines reported a malicious or suspicious result
- engines.tier1Malicious=0 with 17 tier-1 engines reporting no detection
- externalIntel.yaraify.ruleCount=0
- externalIntel.malwareBazaar.hit=false
- No brand mismatch or adversarial text indicators were detected
- Newly observed file with only one submission from one source
- No completed runtime observation
- No contacted-host reputation cross-check
- Archive contents may conceal files requiring separate scanning
Keep protection enabled, verify the download source, and rescan every extracted file before opening or executing it. Avoid running unexpected executables, scripts, or installers from the archive.
Coverage & freshness
Complete means the check returned a usable result. It does not mean the file is safe.
Antivirus
Complete0 of 74 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 / 74engines flagged
- 1sources 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 74 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 1 time from 1 source.
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 74 engines flagged this file
View all 74 engine results
PE structure
Not applicablePE structure analysis applies to Windows executable formats, not this file type.
How widely this file has been seen
Barely seen in the wild and first surfaced recently. That limits reputation evidence, but rarity alone is not proof of malware.
Fingerprint and provenance
- File name
- optimum kinematics download.7z
- Format
- 7ZIP
- Code signing
- Not applicable to this file type
- Size
- 16.1 MB
- Last analyzed
- Sep 17, 2026, 11:09 PM UTC
9e405173ac37c5a0338aaa8c5fbf2d5d3e4a0666e2cea581d051f28ecd75b5c5Safety & 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
Open or extract it only when its sender or download source has been independently verified.
- 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 optimum kinematics download.7z safe?
What is optimum kinematics download.7z?
How many antivirus engines detected optimum kinematics download.7z?
What is the SHA-256 hash of optimum kinematics download.7z?
Is it safe to open or extract optimum kinematics download.7z?
How up to date is this analysis of optimum kinematics download.7z?
Community
Member reviews and reports for this exact file hash.