Is POCO safe?
No engine detected this established, verified CD PROJEKT DLL, while five signer-matched files have consistent benign histories despite one behavioral injection mapping.
All 74 antivirus engines returned no detection, including 17 tier-1 engines, and the DLL carries a verified CD PROJEKT S.A. signature. Its broad, mature prevalence and five benign signer matches outweigh the sandbox mapping to process injection, which was not accompanied by a malicious runtime conclusion.
8994efeeb384818947…cb06bd0fdae195Recommended next actions
Before opening
Open it only when its sender or download source is one you independently trust.
If you already opened 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 74 antivirus engines returned no detection, including 17 tier-1 engines, and the DLL carries a verified CD PROJEKT S.A. signature. Its broad, mature prevalence and five benign signer matches outweigh the sandbox mapping to process injection, which was not accompanied by a malicious runtime conclusion.
The sample produced no detections across 74 antivirus engines, with all 17 tier-1 engines reporting no detection. Its signature verifies to CD PROJEKT S.A., and no publisher-brand conflict was identified. The file has been submitted 305 times by 279 sources and has existed in the dataset for 431 days, supporting established commodity-software provenance. Five signer-matched files also received prior benign decisions. One sandbox mapped activity to T1055 and T1543.003, but it did not produce a malicious sandbox conclusion, persistence indicator, dropped payload, or recorded network contact.
What We Detected
No antivirus engine flagged the DLL: 0 of 74 reported a malicious or suspicious result, including all 17 tier-1 engines. The file has a verified signature from CD PROJEKT S.A., no brand mismatch, and five signer-matched files with prior benign decisions. It is also well established, with 305 submissions from 279 sources over 431 days.
Threat Behavior
One completed sandbox run mapped activity to MITRE T1055 and T1543.003, including execution through rundll32. That mapping deserves attention, but the run did not issue a malicious conclusion, record persistence, drop child hashes, modify registry keys, or show network contacts. Static inspection found neither high-entropy code nor likely packing. No complete contacted-host reputation result is available because that cross-check was not saved.
What To Do Now
Use the DLL only when it came from an official CD PROJEKT installation or update and keep endpoint protection enabled. If its origin is uncertain or it appears outside the expected application directory, verify the signature and reinstall the associated software from its official distribution channel.
Where this verdict could be wrong3 caveats
- behaviour.offensiveTechniques contains T1055 and T1543.003, and MalwareTips.Synth.ProcessInjection fired; this is a meaningful behavioral concern despite the lack of a malicious sandbox conclusion.
- contactedHosts is null, so no completed host-reputation cross-check is available; however, the recorded sandbox contact lists are empty.
- signing.signerStats.totalSamples=1 provides limited direct historical statistics for this certificate, although five separate signer-matched files previously received safe decisions.
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 engines reported a detection.
- All 17 tier-1 engines reported no detection.
- Verified signature from CD PROJEKT S.A.
- 279 sources and 305 submissions over 431 days.
- Five of five signer-matched prior files received safe decisions.
- Sandbox evidence mapped execution to MITRE T1055 process injection.
- Sandbox evidence also mapped MITRE T1543.003 service-related activity.
- Direct signer statistics cover only 1 historical sample.
- No completed contacted-host reputation cross-check is available.
Allow it when obtained with an official CD PROJEKT product or update. Keep endpoint protection enabled and investigate or replace the file if its location or download source is unexpected.
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
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
- 17MITRE ATT&CK techniques
- 8spawned processes
- 0network contacts
- 2filesystem & 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
POCO
8994efeeb384818947d9d9e215b5d483becc60f6ba5256413bcb06bd0fdae195
01Uploaded file
Processes
Runtime execution
- ProcessObserved
Observed process
"C:\Windows\sysnative\rundll32.exe" "C:\Users\<USER>\Desktop\PocoUtil.dll",#1
02Isolated runtime analysis - ProcessObserved
Observed process
C:\Windows\System32\loaddll64.exe loaddll64.exe "C:\Users\user\Desktop\PocoUtil.dll"
03Isolated runtime analysis - +1 more recorded observation in Analyst mode
Files
Created or changed
- Written fileObserved
Connect
\Device\ConDrv\\Connect
04Isolated runtime analysis
4 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.
- \Device\ConDrv\\Connect
- \Sessions\1\BaseNamedObjects\Local\SessionImmersiveColorMutex
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
- 0 / 74engines flagged
- 279sources 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
The hash has a long, established submission history across 279 sources.
Verdict inputView chapterProvenanceDerivedSourceSubmission historyObserved at - 03
The file has a valid code signature from CD PROJEKT S.A..
ProvenanceObservedSourceCode-signing metadataObserved at - 04
Scanned file: POCO — 8994efeeb384818947d9d9e215b5d483becc60f6ba5256413bcb06bd0fdae195
ProvenanceObservedSourceUploaded fileObserved at - 05
Observed process — "C:\Windows\sysnative\rundll32.exe" "C:\Users\<USER>\Desktop\PocoUtil.dll",#1
ProvenanceObservedSourceIsolated runtime analysisObserved at - 06
Observed process — C:\Windows\System32\loaddll64.exe loaddll64.exe "C:\Users\user\Desktop\PocoUtil.dll"
ProvenanceObservedSourceIsolated runtime analysisObserved at - 07
File written: Connect — \Device\ConDrv\\Connect
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.
Evidence"C:\Windows\sysnative\rundll32.exe" "C:\Users\<USER>\Desktop\PocoUtil.dll",#1
0 of 74 engines flagged this file
View all 74 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
- POCO
- Format
- Win32 DLL
- Code signing
- Signature valid: CD PROJEKT S.A.
- Size
- 581.6 KB
- Last analyzed
- Sep 23, 2026, 4:44 AM UTC
8994efeeb384818947d9d9e215b5d483becc60f6ba5256413bcb06bd0fdae195Safety & 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 it only when its sender or download source is one you independently 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 POCO safe?
What is POCO?
How many antivirus engines detected POCO?
Is POCO digitally signed?
What is the SHA-256 hash of POCO?
Is it safe to open POCO?
How up to date is this analysis of POCO?
Community
Member reviews and reports for this exact file hash.