Is dnSpy.dll safe?
Independent hash intelligence links this exact file to a known-malicious sample feed.
Independent hash intelligence links this exact file to a known-malicious sample feed. This evidence remains decisive even when the narrative service is temporarily unavailable.
bc1c4e0fc49c138bbf…48fa005df6704aRecommended next actions
Before using
Do not use it. Quarantine this component with your antivirus, then repair or reinstall the parent software from its official source. Do not delete or replace the component manually.
If you already used it
Disconnect from the internet, start a full or offline antivirus scan, then secure important accounts from a clean device.
Intelligence
The saved assessment, checked against the scan evidence and recorded coverage.
What the available evidence shows
The report separates observed facts from checks that are still incomplete.
Independent hash intelligence links this exact file to a known-malicious sample feed. This evidence remains decisive even when the narrative service is temporarily unavailable.
What We Detected
Independent hash intelligence links this exact file to a known-malicious sample feed. This evidence remains decisive even when the narrative service is temporarily unavailable.
Where this verdict could be wrong1 caveat
- The antivirus-engine count may still change, but the independent malicious evidence is already sufficient for containment.
These are the assessment's weak points. If you believe one applies to your file, report the verdict and we'll re-review it.
- CIRCL KnownMalicious source: malshare.com.
Quarantine this component with your antivirus, then repair or reinstall the parent software from its official source. Do not delete or replace the component manually. Run a full-system antivirus scan.
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
Complete1 isolated runtime environment contributed observations.
Network
Partial20 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
- 10MITRE ATT&CK techniques
- 15spawned processes
- 20network contacts
- 28filesystem & 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.
High concern: Attempted to impair or bypass security controls.
Moderate concern: Communicated over a common application protocol; malware can use this for command-and-control.
Moderate concern: Scans through your files and folders.
Moderate concern: Communicates over the network in a non-standard way.
Moderate concern: Checked the environment for virtualisation or analysis tools.
Moderate concern: Checks which security software you have installed.
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.
Threat context
How trojans work
A trojan disguises itself as something useful or harmless to trick you into running it. Once open, it does its real job in the background — anything from stealing data to opening a back door or downloading more malware.
Bottom line:The disguise is the whole trick, so a trustworthy-looking name or icon means nothing.
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
dnSpy.dll
bc1c4e0fc49c138bbfc223d3e94231cd4884439c663646d91e48fa005df6704a
01Uploaded file
Processes
Runtime execution
- ProcessObserved
Observed process
"C:\Users\<USER>\AppData\Local\Temp\executable.exe"
02Isolated runtime analysis - ProcessObserved
Observed process
%SAMPLEPATH%\bc1c4e0fc49c138bbfc223d3e94231cd4884439c663646d91e48fa005df6704a.exe
03Isolated runtime analysis - +1 more recorded observation in Analyst mode
Files
Created or changed
- Written fileObserved
NGenTask.exe.log
C:\Users\user\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\NGenTask.exe.log
04Isolated runtime analysis - Written fileObserved
ngen.log
C:\Users\user\AppData\Local\Microsoft\CLR_v4.0_32\ngen.log
05Isolated runtime analysis - +1 more recorded observation in Analyst mode
Network
Hosts contacted
- Contacted hostObserved
204.79.197.203
Contact observed during runtime.
06Isolated runtime analysis - Contacted hostObserved
192.168.0.68
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.
- 204.79.197.203
- 192.168.0.68
- a83f:8110:0:0:d6e9:300:0:0
- 13.107.4.50
- 20.80.129.13
- 13.107.39.203
- 192.168.0.63
- 192.168.0.103
- 209.197.3.8
- a83f:8110:0:0:9800:0:0:0
- C:\Users\user\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\NGenTask.exe.log
- C:\Users\user\AppData\Local\Microsoft\CLR_v4.0_32\ngen.log
- \Device\ConDrv
- \Device\ConDrv\\Connect
- C:\ProgramData\Microsoft\Windows\WER\Temp\WER116E.tmp
- C:\Windows\System32\spp\store\2.0\cache\cache.dat
- C:\ProgramData\Microsoft\Windows\WER\Temp\WER6378.tmp.WERInternalMetadata.xml
- C:\ProgramData\Microsoft\Windows\WER\Temp\WER6433.tmp.csv
- C:\ProgramData\Microsoft\Windows\WER\Temp\WER6473.tmp.txt
- C:\ProgramData\Microsoft\Windows\WER\Temp\WER6CC0.tmp.WERInternalMetadata.xml
- DBWinMutex
- \Sessions\1\BaseNamedObjects\DBWinMutex
- \BaseNamedObjects\Local\SM0:4484:304:WilStaging_02
- \BaseNamedObjects\Local\SM0:2328:304:WilStaging_02
- \BaseNamedObjects\Local\SM0:6044:304:WilStaging_02
Files this sample writes at runtime
This file drops 3 children at runtime. None are currently flagged malicious in our cache.
- b322c48534c6fd3cc832…168519Never scannednever seen before
- cf43b3fb213b0444d2ff…ee939bNever scannednever seen before
- db4ee0c04efaba17bfa8…ad8b41Never 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
- 0 / 75engines flagged
- 3,624sources in submission history
Why these facts are shown
Each statement identifies whether it was directly recorded or derived from saved scan facts.
- 01
2 high-confidence signature or behavior rules matched this file.
Verdict inputView chapterProvenanceDerivedSourceSignature and behavior rulesObserved at - 02
0 of 75 antivirus engines flagged the file.
ProvenanceObservedSourceAntivirus analysisObserved at - 03
The hash has a long, established submission history across 3,624 sources.
ProvenanceDerivedSourceSubmission historyObserved at - 04
Scanned file: dnSpy.dll — bc1c4e0fc49c138bbfc223d3e94231cd4884439c663646d91e48fa005df6704a
ProvenanceObservedSourceUploaded fileObserved at - 05
Observed process — "C:\Users\<USER>\AppData\Local\Temp\executable.exe"
ProvenanceObservedSourceIsolated runtime analysisObserved at - 06
Observed process — %SAMPLEPATH%\bc1c4e0fc49c138bbfc223d3e94231cd4884439c663646d91e48fa005df6704a.exe
ProvenanceObservedSourceIsolated runtime analysisObserved at - 07
File written: NGenTask.exe.log — C:\Users\user\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\NGenTask.exe.log
ProvenanceObservedSourceIsolated runtime analysisObserved at - 08
File written: ngen.log — C:\Users\user\AppData\Local\Microsoft\CLR_v4.0_32\ngen.log
ProvenanceObservedSourceIsolated runtime analysisObserved at - 09
Contacted host: 204.79.197.203 — Contact observed during runtime.
ProvenanceObservedSourceIsolated runtime analysisObserved at - 10
Contacted host: 192.168.0.68 — Contact observed during runtime.
ProvenanceObservedSourceIsolated runtime analysisObserved at
Detection sources at a glance
Category: generic-trojan
One or more independent reference databases matched 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.
- pdb_YARAify
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.
Evidence"C:\Users\<USER>\AppData\Local\Temp\executable.exe"The 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.
Evidence204.79.197.203 · a83f:8110:0:0:d6e9:300:0:0 · 13.107.4.50
0 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
- dnSpy.dll
- Format
- Win32 EXE
- Code signing
- No verified publisher
- Size
- 207.0 KB
- Last analyzed
- Aug 22, 2026, 5:35 PM UTC
bc1c4e0fc49c138bbfc223d3e94231cd4884439c663646d91e48fa005df6704aSafety & FAQ
Complete recovery guidance and answers for the next decision.
What to do now
This file is dangerous. Treat it as harmful and remove it.
- Recovery step 01
Don't use this component. Quarantine this component with your antivirus, then repair or reinstall the parent software from its official source. Do not delete or replace the component manually.
- Recovery step 02
If you already used it, disconnect from the internet and start with a full antivirus scan or Microsoft Defender Offline scan. If compromise is suspected or the problem persists, use a reputable second-opinion scanner and follow incident-recovery or clean-reinstall guidance.
- Recovery step 03
If you typed any passwords while it was open, change them from a device you trust.
- Recovery step 04
Reinstall the parent software from the developer's official site instead of replacing this component by itself.
Safety FAQ
Direct answers grounded in the saved verdict and evidence in this report.
Is dnSpy.dll a virus?
What is dnSpy.dll?
How many antivirus engines detected dnSpy.dll?
What should I do if I already used dnSpy.dll?
How do I remove dnSpy.dll?
What kind of malware is dnSpy.dll?
What is the SHA-256 hash of dnSpy.dll?
How up to date is this analysis of dnSpy.dll?
Community
Member reviews and reports for this exact file hash.