Is Unknown.jpg safe?
No antivirus engine detected a threat in this JPEG-named file, though its recent appearance and content-type inconsistency warrant basic source verification.
All 75 antivirus engines produced zero malicious or suspicious detections, including 17 high-trust engines reporting no detection. No external intelligence hit supports a threat, but the file is newly observed and its reported text type conflicts with the JPEG MIME type.
71763f310c4fdaf940…18f24fb47e8d91Recommended next actions
Before viewing
View it only when its sender or download source is one you trust.
If you already viewed 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 75 antivirus engines produced zero malicious or suspicious detections, including 17 high-trust engines reporting no detection. No external intelligence hit supports a threat, but the file is newly observed and its reported text type conflicts with the JPEG MIME type.
The antivirus results contain no detections: 0 of 75 engines marked the sample malicious or suspicious. High-trust products including BitDefender, ESET-NOD32, Kaspersky, and Microsoft reported no detection. Research intelligence also produced no MalwareBazaar, CIRCL, or YARAify hit, while five same-format historical samples received clean outcomes. The sample is newly observed, and its reported text type conflicts with its JPEG MIME type, which modestly limits confidence. No sandbox execution or complete contacted-host reputation check is available, so the conclusion rests on static scanning and format-level context.
What We Detected
None of the 75 antivirus engines flagged this sample as malicious or suspicious. Seventeen high-trust engines reported no detection, and MalwareBazaar, CIRCL, and YARAify provided no corroborating threat intelligence. Five prior same-format samples also received clean outcomes, although file-type similarity alone is limited evidence.
Threat Behavior
No completed sandbox observation is available, so runtime behavior cannot be characterized. No complete contacted-host reputation result is available either. The main uncertainty is a format inconsistency: the file is named as a JPEG and has an image/jpeg MIME type, while file.fileType identifies it as Text.
What To Do Now
Confirm that the file came from an expected source and opens strictly as an image. Keep endpoint protection enabled, and avoid opening it with unusual applications if its origin is unknown or the displayed content does not match an ordinary JPEG.
Where this verdict could be wrong3 caveats
- prevalence.classification=rare_new with 1 submitter and 1 submission means the sample has very little history.
- file.fileType='Text' differs from file.mimeType='image/jpeg', so the true content format should be verified before trusting the .jpg extension.
- behaviour=null and contactedHosts=null leave runtime behavior and contacted-host reputation unassessed.
These are the assessment's weak points. If you believe one applies to your file, report the verdict and we'll re-review it.
- 0/75 engines reported a malicious or suspicious result
- engines.tier1ReportedClean=17 and engines.tier1Malicious=0
- externalIntel.malwareBazaar.hit=false and externalIntel.circl.hit=false
- externalIntel.yaraify.ruleCount=0
- similarHashes contains 5/5 prior 'safe' file-type matches
- prevalence.classification=rare_new: only one submission from one source
- file.fileType='Text' conflicts with file.mimeType='image/jpeg'
- behaviour=null: no completed runtime observation
- contactedHosts=null: no comprehensive contacted-host reputation result
It is reasonable to retain or view the file if its source and image contents are expected. Keep endpoint protection enabled and delete or quarantine it if it fails to render as a normal JPEG.
Coverage & freshness
Complete means the check returned a usable result. It does not mean the file is safe.
Antivirus
Complete0 of 75 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 / 75engines 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 75 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 75 engines flagged this file
View all 75 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
- Unknown.jpg
- Format
- Text
- Code signing
- Not applicable to this file type
- Size
- 148.7 KB
- Last analyzed
- Sep 24, 2026, 9:50 PM UTC
71763f310c4fdaf9400ed12c0c6ed512aac18ecfc83d23de4018f24fb47e8d91Safety & 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
View it only when its sender or download source is one you 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 Unknown.jpg safe?
What is Unknown.jpg?
How many antivirus engines detected Unknown.jpg?
What is the SHA-256 hash of Unknown.jpg?
Is it safe to view Unknown.jpg?
How up to date is this analysis of Unknown.jpg?
Community
Member reviews and reports for this exact file hash.