Is Velostrap.dll safe?
Unsigned DLL with one low-trust detection, process-injection sandbox signals, yet widespread submissions and no tier-1 consensus.
One low-trust engine flagged the file; sandbox evidence shows process injection and LSASS access, but no tier-1 detections or malicious children exist. Prevalence is high and prior similar-hash verdict was safe, leaving mixed signals.
6fd8ae68be5e103a95…278d1474fe154eRecommended next actions
Before using
Do not use it until the source and publisher can be verified independently.
If you already used it
Stop using it, scan the device, and watch for unexpected behavior or security alerts. Reinstall the parent software from the developer's official site instead of replacing this component by itself.
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.
One low-trust engine flagged the file; sandbox evidence shows process injection and LSASS access, but no tier-1 detections or malicious children exist. Prevalence is high and prior similar-hash verdict was safe, leaving mixed signals.
The single malicious result comes from a low-trust engine and is outweighed by 74 clean or undetected reports. Unsigned status removes any signer-history reassurance. Sandbox activity mapping to T1055 and LSASS access is concerning, yet the sandbox itself did not return a malicious verdict and no dropped children or known-bad hosts were found. High submission counts and an imphash match to a previously safe file further dilute the risk, producing a borderline mixed-signal profile.
What We Detected
75 engines scanned the file; only APEX (low-trust tier) returned a malicious label. No tier-1 engine flagged it. The binary is unsigned and carries no code-signing history.
Threat Behavior
Sandbox execution recorded MITRE T1055 (process injection) and LSASS memory access, plus direct-IP connections to nine addresses. No malicious child files were dropped and the sandbox did not issue an overall malicious verdict.
What To Do Now
Keep endpoint protection enabled. Avoid executing the DLL in production environments until additional independent analysis or a signed release from a trusted publisher is available.
Where this verdict could be wrong1 caveat
- Sandbox observed LSASS access and direct-IP traffic, but hasMaliciousSandboxVerdict remains false and no complete contacted-host reputation result was available cache hits exist.
These are the assessment's weak points. If you believe one applies to your file, report the verdict and we'll re-review it.
- 1/75 engines flagged (low-trust only)
- common_old prevalence (1702 submitters)
- prior imphash match returned safe verdict
- Unsigned PE
- Sandbox observed T1055 and LSASS access
- Direct-IP network traffic without domain context
Treat as suspicious; do not load in sensitive environments until further verification.
Coverage & freshness
Complete means the check returned a usable result. It does not mean the file is safe.
Antivirus
Complete1 of 75 engines flagged the file.
Sandbox
Complete1 isolated runtime environment contributed observations.
Network
Partial9 runtime contacts were observed without a completed reputation cross-check.
YARA
Complete3 signature or behavior rules 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
- 9MITRE ATT&CK techniques
- 11spawned processes
- 9network contacts
- 17filesystem & mutex artifacts
What this file does
Observed actions and their security significance
High concern: Injected code into another process, a technique that can conceal execution.
Moderate concern: Contained obfuscated or packed code that makes inspection harder.
Moderate concern: Communicated over a common application protocol; malware can use this for command-and-control.
Moderate concern: Checked the environment for virtualisation or analysis tools.
Note: Collects details about your system.
Note: Loads extra code modules while running.
These are observed capabilities from an isolated analysis. A technique does not prove malicious intent on its own, and the file never ran on your device.
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
Velostrap.dll
6fd8ae68be5e103a957250c32eae71d6a5f6495ac85ffe7d5a278d1474fe154e
01Uploaded file
Processes
Runtime execution
- ProcessObserved
Observed process
"C:\Users\<USER>\Desktop\Velostrap.exe"
02Isolated runtime analysis - ProcessObserved
Observed process
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://aka.ms/dotnet-core-applaunch?framework=Microsoft.NETCore.App&framework_version=6.0.0&arch=x64&rid=win-x64&os=win10&gui=true
03Isolated runtime analysis - +1 more recorded observation in Analyst mode
Files
Created or changed
- Written fileObserved
S-1-15-2-543634040-274359014-2226501544-3561766748-3991453649-3543631192-522786984
\Device\NamedPipe\Sessions\1\AppContainerNamedObjects\S-1-15-2-543634040-274359014-2226501544-3561766748-3991453649-3543631192-522786984
04Isolated runtime analysis - Written fileObserved
BITF45D.tmp
C:\Users\<USER>\AppData\Local\Temp\edge_BITS_7120_871742141\BITF45D.tmp
05Isolated runtime analysis - +1 more recorded observation in Analyst mode
Network
Hosts contacted
- Contacted hostObserved
184.31.114.8
Contact observed during runtime.
06Isolated runtime analysis - Contacted hostObserved
150.171.74.13
Contact observed during runtime.
07Isolated runtime analysis - +1 more recorded observation in Analyst mode
7 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.
- 184.31.114.8
- 150.171.74.13
- 23.215.15.215
- 20.9.155.150
- 4.153.187.221
- 150.171.28.10
- 52.184.215.111
- 150.171.73.13
- 162.159.36.2
- \Device\NamedPipe\Sessions\1\AppContainerNamedObjects\S-1-15-2-543634040-274359014-2226501544-3561766748-3991453649-3543631192-522786984
- C:\Users\<USER>\AppData\Local\Temp\edge_BITS_7120_871742141\BITF45D.tmp
- C:\Users\<USER>\AppData\Local\Temp\edge_BITS_7120_871742141\ca310418-5fd0-4e5d-b086-36b0e159c39e
- C:\Windows\ServiceProfiles\LocalService\AppData\Local\FontCache\Fonts\Download-1.tmp
- C:\Users\<USER>\AppData\Local\Temp\edge_BITS_7120_1932473044\BIT7A76.tmp
- C:\ProgramData\Microsoft\Windows\LfSvc\Cache
- \Sessions\1\BaseNamedObjects\DBWinMutex
Files this sample writes at runtime
This file drops 4 children at runtime. None are currently flagged malicious in our cache.
- b48b9fb851319ddd270f…b8dcaaNever scannednever seen before
- 0d20debb26fc8b2bc84f…798941Never scannednever seen before
- e3b0c44298fc1c149afb…52b855Never scannednever seen before
- 6b2c258ec72e9c8cfda7…b6a6cbNever 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.
- 3rule hits recorded
- 1 / 75engines flagged
- 1,702sources 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 75 antivirus engines flagged the file, including APEX.
Verdict inputView chapterProvenanceObservedSourceAntivirus analysisObserved at - 03
The hash has a long, established submission history across 1,702 sources.
ProvenanceDerivedSourceSubmission historyObserved at - 04
Scanned file: Velostrap.dll — 6fd8ae68be5e103a957250c32eae71d6a5f6495ac85ffe7d5a278d1474fe154e
ProvenanceObservedSourceUploaded fileObserved at - 05
Observed process — "C:\Users\<USER>\Desktop\Velostrap.exe"
ProvenanceObservedSourceIsolated runtime analysisObserved at - 06
Observed process — "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://aka.ms/dotnet-core-applaunch?framework=Microsoft.NETCore.App&framework_version=6.0.0&arch=x64&rid=win-x64&os=win10&gui=true
ProvenanceObservedSourceIsolated runtime analysisObserved at - 07
File written: S-1-15-2-543634040-274359014-2226501544-3561766748-3991453649-3543631192-522786984 — \Device\NamedPipe\Sessions\1\AppContainerNamedObjects\S-1-15-2-543634040-274359014-2226501544-3561766748-3991453649-3543631192-522786984
ProvenanceObservedSourceIsolated runtime analysisObserved at - 08
File written: BITF45D.tmp — C:\Users\<USER>\AppData\Local\Temp\edge_BITS_7120_871742141\BITF45D.tmp
ProvenanceObservedSourceIsolated runtime analysisObserved at - 09
Contacted host: 184.31.114.8 — Contact observed during runtime.
ProvenanceObservedSourceIsolated runtime analysisObserved at - 10
Contacted host: 150.171.74.13 — Contact observed during runtime.
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.
The saved runtime evidence maps this activity to MITRE T1055 (Process Injection). The mapping supports possible process injection, but it does not prove the exact injection method or the operator's intent.
EvidenceC:\Windows\System32\svchost.exe -k NetworkService -pSandbox observed process activity targeting LSASS (Windows credential store). Legitimate software has no business reading LSASS memory — this is Mimikatz-shape behaviour.
EvidenceC:\Windows\system32\lsass.exeThe sample contacted an external IP address directly and no application domain was recorded. Direct-IP traffic also occurs in legitimate installers and infrastructure, so this is supporting context only and requires corroboration from host reputation and other runtime evidence.
Evidence184.31.114.8 · 150.171.74.13 · 23.215.15.215
1 of 75 engines flagged this file
View all 75 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
Widely seen in the wild for a long time. High prior this is legitimate; isolated detections on common-old files are usually false positives.
Fingerprint and provenance
- File name
- Velostrap.dll
- Format
- Win32 EXE
- Code signing
- No verified publisher
- Size
- 13.3 MB
- Last analyzed
- Aug 31, 2026, 7:46 PM UTC
6fd8ae68be5e103a957250c32eae71d6a5f6495ac85ffe7d5a278d1474fe154eSafety & FAQ
Complete recovery guidance and answers for the next decision.
What to do now
We couldn't fully clear this file. Treat it with caution.
- Recovery step 01
Don't use it unless you're certain it came from a source you trust.
- Recovery step 02
Check where you got it — an unexpected attachment or a random download link is a red flag.
- Recovery step 03
Do not delete or replace the component manually. Quarantine it with your antivirus or repair the parent software from its official source. Reinstall the parent software from the developer's official site instead of replacing this component by itself.
- Recovery step 04
If you're still unsure, scan it again in a day or two — detections often catch up on newer files.
Safety FAQ
Direct answers grounded in the saved verdict and evidence in this report.
Is Velostrap.dll safe, or is it malware?
What is Velostrap.dll?
How many antivirus engines detected Velostrap.dll?
I already downloaded and used Velostrap.dll — what should I do?
How do I remove Velostrap.dll?
What is the SHA-256 hash of Velostrap.dll?
How up to date is this analysis of Velostrap.dll?
Community
Member reviews and reports for this exact file hash.