Is UnityPlayer safe?
One sandbox produced a malware judgment, but zero antivirus detections, verified Unity signing, broad prevalence, and three matching signer precedents strongly suggest misclassification.
A completed sandbox produced a malware result, which is decisive under the applicable safety policy despite substantial contrary evidence. All 75 antivirus engines were silent, the DLL has a verified Unity Technologies SF signature, and three prior signer matches were assessed as benign, so a sandbox false positive remains highly plausible.
88c2ef0d0557a7705f…a97e42580f3218Recommended next actions
Before opening
Do not open it. Delete this file from the device, then empty the Recycle Bin or Trash.
If you already opened it
Close it. If it opened links, requested credentials, or triggered unexpected behavior, disconnect from the internet and run a full device scan.
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.
A completed sandbox produced a malware result, which is decisive under the applicable safety policy despite substantial contrary evidence. All 75 antivirus engines were silent, the DLL has a verified Unity Technologies SF signature, and three prior signer matches were assessed as benign, so a sandbox false positive remains highly plausible.
One completed sandbox issued a malware judgment, although a second recorded sandbox result was clean. No antivirus engine detected the DLL: 0 of 75 flagged it, including no tier-1 detections. The signature verifies to Unity Technologies SF, and all three prior signer-matched files received benign assessments. The file is also widely established, with 1,529 sources and 1,757 submissions, while all five observed hosts received complete reputation coverage without a malicious or suspicious match. These conflicting findings make the sandbox judgment potentially erroneous, but it remains a decisive runtime signal under the safety policy.
What We Detected
One completed sandbox issued a malware judgment, while another recorded sandbox result was clean. In contrast, 0 of 75 antivirus engines flagged the DLL, including no tier-1 detections. The file carries a verified signature from Unity Technologies SF, and three previous signer-matched samples received benign assessments.
Threat Behavior
The runtime record lists seven techniques commonly seen in ordinary applications and no offensive-only techniques. All five contacted domains were covered by the host-reputation check, with no malicious or suspicious matches. One child file was inspected without a malicious finding, although its individual verdict remains unknown.
What To Do Now
Obtain the DLL through the official game or application distribution channel and verify that its Unity Technologies SF signature remains valid. Keep endpoint protection enabled and avoid using the file if its origin is untrusted or its signature no longer verifies.
Where this verdict could be wrong3 caveats
- behaviour.hasMaliciousSandboxVerdict=true from one sandbox, although another sandbox returned clean and no offensive-only technique was observed.
- The signer history contains only 1 sample, so signing.signerStats.autoTrusted=false and the historical signer statistics remain limited.
- The inspected dropped child has no assigned verdict; droppedChildren.rollup records 1 unknown child even though hasMaliciousChild=false.
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 detection
- Verified signature from Unity Technologies SF
- 3/3 similar signer matches previously received safe verdicts
- 1,529 sources and 1,757 submissions indicate broad prevalence
- contactedHosts inspected 5/5 observed domains with no malicious or suspicious matches
- behaviour.hasMaliciousSandboxVerdict=true
- One inspected dropped child has an unknown individual verdict
- signing.signerStats.totalSamples=1 provides limited historical depth
- Runtime used rundll32.exe to load the DLL
Use only a copy obtained through the official publisher or application channel and confirm the Unity Technologies SF signature. Keep security protection enabled and quarantine the file pending reanalysis if its source cannot be verified.
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
Complete5 contacted hosts were cross-checked.
YARA
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 flight recorder
Capture complete- 1isolated sandbox run
- 7MITRE ATT&CK techniques
- 7spawned processes
- 5network contacts
- 6filesystem & mutex artifacts
What this file does
Observed actions and their security significance
High concern: Used an input-capture technique that can record credentials or keystrokes.
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.
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
UnityPlayer
88c2ef0d0557a7705f682b3b182d53920fbc3457e305cddc08a97e42580f3218
01Uploaded file
Processes
Runtime execution
- ProcessObserved
Observed process
"C:\Windows\sysnative\rundll32.exe" "C:\Users\<USER>\Desktop\UnityPlayer.dll",#1
02Isolated runtime analysis - ProcessObserved
Observed process
C:\Windows\System32\loaddll64.exe loaddll64.exe "C:\Users\user\Desktop\UnityPlayer.dll"
03Isolated runtime analysis - +1 more recorded observation in Analyst mode
Files
Created or changed
- Written fileObserved
Player.log
C:\Users\<USER>\AppData\LocalLow\Unknown Vendor\Unknown Unity Application\Player.log
04Isolated runtime analysis - Written fileObserved
Unknown Vendor
C:\Users\user\AppData\LocalLow\Unknown Vendor
05Isolated runtime analysis - +1 more recorded observation in Analyst mode
Network
Hosts contacted
- Contacted hostObserved
windows.msn.com-ion.edgesuite.net
Contact observed during runtime.
06Isolated runtime analysis - Contacted hostObserved
a1672.dscr.akamai.net
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; 1 returned "malicious".
Adversary techniques mapped to the MITRE ATT&CK framework.
- windows.msn.com-ion.edgesuite.net
- a1672.dscr.akamai.net
- svc.ha-teams.office.com
- teams-mrc-ww-perf.tm-4.office.com
- dns.google
- C:\Users\<USER>\AppData\LocalLow\Unknown Vendor\Unknown Unity Application\Player.log
- C:\Users\user\AppData\LocalLow\Unknown Vendor
- C:\Users\user\AppData\LocalLow\Unknown Vendor\Unknown Unity Application
- C:\Users\user\AppData\LocalLow\Unknown Vendor\Unknown Unity Application\Player.log
- \Device\ConDrv\\Connect
- \Sessions\1\BaseNamedObjects\Local\SessionImmersiveColorMutex
Files this sample writes at runtime
This file drops 1 child at runtime. None are currently flagged malicious in our cache.
- f25f228e95f6d8f05ec2…dc61f7Never 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.
- 0rule hits recorded
- 0 / 75engines flagged
- 1,529sources in submission history
Why these facts are shown
Each statement identifies whether it was directly recorded or derived from saved scan facts.
- 01
1 isolated runtime environment classified the observed behavior as malicious.
Verdict inputView chapterProvenanceObservedSourceIsolated runtime analysisObserved at - 02
0 of 75 antivirus engines flagged the file.
ProvenanceObservedSourceAntivirus analysisObserved at - 03
The hash has a long, established submission history across 1,529 sources.
ProvenanceDerivedSourceSubmission historyObserved at - 04
Scanned file: UnityPlayer — 88c2ef0d0557a7705f682b3b182d53920fbc3457e305cddc08a97e42580f3218
ProvenanceObservedSourceUploaded fileObserved at - 05
Observed process — "C:\Windows\sysnative\rundll32.exe" "C:\Users\<USER>\Desktop\UnityPlayer.dll",#1
ProvenanceObservedSourceIsolated runtime analysisObserved at - 06
Observed process — C:\Windows\System32\loaddll64.exe loaddll64.exe "C:\Users\user\Desktop\UnityPlayer.dll"
ProvenanceObservedSourceIsolated runtime analysisObserved at - 07
File written: Player.log — C:\Users\<USER>\AppData\LocalLow\Unknown Vendor\Unknown Unity Application\Player.log
ProvenanceObservedSourceIsolated runtime analysisObserved at - 08
File written: Unknown Vendor — C:\Users\user\AppData\LocalLow\Unknown Vendor
ProvenanceObservedSourceIsolated runtime analysisObserved at - 09
Contacted host: windows.msn.com-ion.edgesuite.net — Contact observed during runtime.
ProvenanceObservedSourceIsolated runtime analysisObserved at - 10
Contacted host: a1672.dscr.akamai.net — 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.
YARA rules
No matchesThe rule pass completed without a saved public match.
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
- UnityPlayer
- Format
- Win32 DLL
- Code signing
- Signature valid: Unity Technologies SF
- Size
- 28.1 MB
- Last analyzed
- Oct 7, 2026, 7:49 AM UTC
88c2ef0d0557a7705f682b3b182d53920fbc3457e305cddc08a97e42580f3218Safety & 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 open this file. Delete this file from the device, then empty the Recycle Bin or Trash.
- Recovery step 02
If you already opened 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
From a different, clean device, change the passwords on your important accounts (email and banking first) and turn on two-factor authentication.
- Recovery step 04
Get a fresh copy from the original trusted source and verify its exact hash when possible.
Safety FAQ
Direct answers grounded in the saved verdict and evidence in this report.
Is UnityPlayer a virus?
What is UnityPlayer?
How many antivirus engines detected UnityPlayer?
What should I do if I already opened UnityPlayer?
How do I remove UnityPlayer?
Is UnityPlayer digitally signed?
What is the SHA-256 hash of UnityPlayer?
How up to date is this analysis of UnityPlayer?
Community
Member reviews and reports for this exact file hash.