Is Libretracker20201027.zip safe?
Safe file assessment
1 high-confidence signature or behavior rule matched this file.
381a7bac08651c9b90…1b7781a1643b1fRecommended 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.
No saved analyst narrative
This report keeps the verified scan facts available below without inventing an analysis that was not saved with the scan.
Coverage & freshness
Complete means the check returned a usable result. It does not mean the file is safe.
Antivirus
Complete1 of 77 engines flagged the file.
Sandbox
Complete1 isolated runtime environment contributed observations.
Network
Not runNo contacted-host reputation check is recorded.
No timestamp recordedYARA
Complete1 signature or behavior rule matched.
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
- 12MITRE ATT&CK techniques
- 11spawned processes
- 0network contacts
- 34filesystem & 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
Libretracker20201027.zip
381a7bac08651c9b900bca4a1c947ba120473245e8cb2e7d711b7781a1643b1f
01Uploaded file
Processes
Runtime execution
- ProcessObserved
Observed process
"C:\Users\<USER>\AppData\Local\Temp\Libretracker/Libretracker.exe"
02Isolated runtime analysis - ProcessObserved
Observed process
"C:\Windows\system32\rundll32.exe" "C:\Users\<USER>\AppData\Local\Temp\Libretracker/opencv_videoio_msmf450_64.dll",#1
03Isolated runtime analysis - +1 more recorded observation in Analyst mode
Files
Created or changed
- Written fileObserved
fltk.prefs
C:\ProgramData\fltk.org\fltk.prefs
04Isolated runtime analysis - Written fileObserved
fltk.prefs
C:\Users\<USER>\AppData\Roaming\fltk.org\fltk.prefs
05Isolated runtime analysis - +1 more recorded observation in Analyst mode
5 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.
- C:\ProgramData\fltk.org\fltk.prefs
- C:\Users\<USER>\AppData\Roaming\fltk.org\fltk.prefs
- C:\ProgramData\Microsoft\Windows\WER\Temp
- C:\ProgramData\Microsoft\Windows\WER\Temp\093da611-5cc0-486b-9882-6edd809e7d96
- C:\ProgramData\Microsoft\Windows\WER\ReportQueue
- C:\ProgramData\Microsoft\Windows\WER\Temp\WER7FF4.tmp
- C:\ProgramData\Microsoft\Windows\WER\Temp\WER8506.tmp
- C:\ProgramData\Microsoft\Windows\WER\Temp\WER87A6.tmp
- C:\ProgramData\Microsoft\Windows\WER\Temp\WER7FF4.tmp.dmp
- C:\ProgramData\Microsoft\Windows\WER\Temp\WER8506.tmp.WERInternalMetadata.xml
- Local\WERReportingForProcess4016
- Global\98b9d985-d219-4ede-b694-98a753bd3c9f
- Local\WERReportingForProcess5896
- Global\AmiProviderMutex_InventoryApplicationFile
- Global\571c45db-0e6d-40ba-a34c-913e638d8274
Files this sample writes at runtime
This file drops 10 children at runtime. None are currently flagged malicious in our cache.
- 07058dece244d5aa61ef…0df0c6Never scannednever seen before
- 1c26fe818d9ff71f3d38…7123daNever scannednever seen before
- f5af97bca5c8a4da59f8…e17136Never scannednever seen before
- 62de274fef7acd0f1b25…057916Never scannednever seen before
- c698afabe9a8fee8d6b7…b687e3Never scannednever seen before
- bbaa0c0be5ee7118d71a…61544cNever scannednever seen before
- 91053d80948f69babbd7…8c357fNever scannednever seen before
- 4f238e4502c500759367…2615abNever scannednever seen before
- 4795a56ae53f701e0bd2…d87deeNever scannednever seen before
- f5604a010c710b0f23e9…d4fac1Never scannednever seen before
Detection & Forensics
Consensus, attribution, signatures, code structure, prevalence, and identity.
Evidence integrity
Chain of custody for the facts preserved in this report.
- 1rule hit recorded
- 1 / 77engines flagged
- 10sources in submission history
Why these facts are shown
Each statement identifies whether it was directly recorded or derived from saved scan facts.
- 01
1 high-confidence signature or behavior rule matched this file.
Verdict inputView chapterProvenanceDerivedSourceSignature and behavior rulesObserved at - 02
1 of 77 antivirus engines flagged the file, including MaxSecure.
Verdict inputView chapterProvenanceObservedSourceAntivirus analysisObserved at - 03
The hash has been submitted 10 times from 10 sources.
ProvenanceDerivedSourceSaved report factsObserved at - 04
Scanned file: Libretracker20201027.zip — 381a7bac08651c9b900bca4a1c947ba120473245e8cb2e7d711b7781a1643b1f
ProvenanceObservedSourceUploaded fileObserved at - 05
Observed process — "C:\Users\<USER>\AppData\Local\Temp\Libretracker/Libretracker.exe"
ProvenanceObservedSourceIsolated runtime analysisObserved at - 06
Observed process — "C:\Windows\system32\rundll32.exe" "C:\Users\<USER>\AppData\Local\Temp\Libretracker/opencv_videoio_msmf450_64.dll",#1
ProvenanceObservedSourceIsolated runtime analysisObserved at - 07
File written: fltk.prefs — C:\ProgramData\fltk.org\fltk.prefs
ProvenanceObservedSourceIsolated runtime analysisObserved at - 08
File written: fltk.prefs — C:\Users\<USER>\AppData\Roaming\fltk.org\fltk.prefs
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.
Signatures and behavior heuristics
A community signature or high-severity behavioral heuristic matched. Signatures identify known patterns; heuristics are strong leads but are not proof on their own.
MITRE T1055 (Process Injection) observed — CreateRemoteThread / APC / reflective-DLL injection. The payload is being smuggled into a legitimate process to bypass AV hooks.
Evidence"C:\Windows\system32\rundll32.exe" "C:\Users\<USER>\AppData\Local\Temp\Libretracker/opencv_videoio_msmf450_64.dll",#1
1 of 77 engines flagged this file
View all 77 engine results
PE structure
Not applicablePE structure analysis applies to Windows executable formats, not this file type.
How widely this file has been seen
Moderate prevalence — neither rare nor common. No strong prior applies.
Fingerprint and provenance
- File name
- Libretracker20201027.zip
- Format
- ZIP
- Code signing
- Not applicable to this file type
- Size
- 22.4 MB
- Last analyzed
- Jul 1, 2026, 3:46 PM UTC
381a7bac08651c9b900bca4a1c947ba120473245e8cb2e7d711b7781a1643b1fSafety & 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 Libretracker20201027.zip safe?
What is Libretracker20201027.zip?
How many antivirus engines detected Libretracker20201027.zip?
What is the SHA-256 hash of Libretracker20201027.zip?
Is it safe to open or extract Libretracker20201027.zip?
How up to date is this analysis of Libretracker20201027.zip?
Community
Member reviews and reports for this exact file hash.