File scan report
Verdict Safe
Is SDL3.
Unsigned SDL3.dll library with zero malicious engine detections, normal PE structure, and benign behaviour; one of our behaviour rules matched by Cloudflare DNS contact.
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Moderate evidence · No engine flags it, but no publisher signature confirms who made it.
This file is safe. SDL3.dll is a legitimate open-source multimedia library. Verify the download source against the official SDL3 project repository if you have concerns about authenticity, but no security action is required for this file.
Good practice2 tips
We found nothing harmful in this file.
Use it only as part of a program you got from the developer's own website.
Keep your antivirus and Windows updates switched on.
No scanner can promise a file is 100% safe.
Reads the latest antivirus results for this file's hash. Nothing is uploaded.
Antivirus results
0 of 47 flagged
- Flagged 0
- No detection 47
- No result 28
- Code signing Unsigned
- Test run Completed
- First seen 6mo ago
Chapter 02
Why we think so
3 points against it and 3 in its favour, checked against the scan evidence.
The reasoning behind this verdict
This file is SDL3.dll, the Simple DirectMedia Layer v3 multimedia library. One of our behaviour rules matched because the sample contacted 162.159.36.2 (Cloudflare public DNS) without DNS queries, but direct contact to major CDN/DNS providers is benign. No malicious sandbox verdicts, no dropped malicious files it created, and normal PE entropy support a legitimate library classification.
The evidence strongly indicates this is a legitimate open-source library rather than malware. No major antivirus engines consensus for malice exists; major antivirus engines either report clean or timeout. The filename and import-table fingerprint align with SDL3, a widely-used multimedia library. Behaviour analysis shows zero offensive MITRE techniques and only techniques common in legitimate software common in legitimate DLLs. One of our behaviour rules, while flagged, is explained by contact to Cloudflare's public DNS infrastructure—a benign service, not a hidden control server. Medium prevalence across 332 submitters over 62 days is consistent with a legitimate library distributed in development environments. No malicious sandbox verdicts. No complete contacted-host reputation result was available.
What We Detected
SDL3.dll is a 2.6 MB Windows DLL file submitted 363 times by 332 unique sources over 62 days. The file is unsigned and carries no brand mismatch indicators.
Threat Behavior
Sandbox analysis identified 4 MITRE techniques common in legitimate software (T1056 input capture, T1218.011 rundll32 execution, T1497 sandbox evasion, T1518.001 system info discovery) but zero offensive techniques. The sample contacted one external IP address (162.159.36.2, part of Cloudflare's public DNS infrastructure) without DNS queries, triggering one of our behaviour rules. However, direct contact to major CDN and DNS providers is routine for legitimate software and does not indicate malware remote control behaviour. No malicious sandbox verdicts were recorded. No complete contacted-host reputation result was available.
Technical Assessment
PE analysis shows normal entropy across all sections (.text 6.55, .rdata 6.17, .data 3.34, .pdata 6.14, .rsrc 3.62, .reloc 5.4), no packers, and no high-entropy code sections. The filename and structure align with SDL3 (Simple DirectMedia Layer v3), a well-known open-source multimedia library used in games, graphics applications, and development tools. Medium prevalence across 332 submitters is consistent with a legitimate library distributed in development environments.
What To Do Now
This file is safe to use. If you downloaded it from an official SDL3 repository (github.com/libsdl-org/SDL or official mirrors), it is a legitimate library component. If you encountered it in an unexpected context or from an untrusted source, verify the download source against the official SDL3 project website. No remediation is required for this file itself.
Where this verdict could be wrong3 caveats
- One of our behaviour rules flagged direct-IP contact without DNS resolution, which the rule describes as a 'strong malware indicator' — however, the contacted IP is Cloudflare's public DNS service (162.159.36.2), a legitimate infrastructure provider, not a hidden control server. Legitimate software often contacts public DNS and CDN IPs directly.
- Unsigned DLL could theoretically be a trojanised version of SDL3, but the absence of any malicious engine detection, the normal PE entropy, and the medium prevalence across 332 submitters over 62 days argue against a widespread trojan campaign.
- Sandbox evasion technique was detected, but this is common in legitimate software checking for analysis environments; paired with zero offensive techniques and zero malicious sandbox verdicts, it does not indicate malware intent.
These are the assessment's weak points. If you believe one applies to your file, report the verdict and we'll re-review it.
- Normal PE entropy and structure; no packers or high-entropy code sections
- Zero offensive MITRE techniques; only techniques common in legitimate software common in legitimate DLLs
- Medium prevalence (332 submitters, 363 submissions) consistent with legitimate library distribution
- Unsigned DLL — no publisher identity to verify authenticity
- One of our behaviour rules matched. No complete contacted-host reputation result was available.
- Sandbox evasion technique detected — common in legitimate software but also used by malware
6 sources checked · 5 complete · 1 not needed or not applicable. See every source
Chapter 03
What it did in our test
It ran in our isolated test environment; no test environment rated what it did as risky.
Test run summary
Capture complete- 4sandbox rule tags
- 10spawned processes
- 0network contacts
- 1filesystem & mutex artifacts
Includes 4 mapped techniques and every process, file, registry and network entry.
Show the technical evidenceChapter 04
Technical details
None of the 47 antivirus engines that checked it flag it; no publisher signature.
Sources checked
Every check behind this verdict
6 sources checked · 5 complete · 1 not needed or not applicable. Complete means the check returned a usable result; it does not mean the file is safe.
File fingerprint
- Last analyzed
- Jun 10, 2026, 1:42 PM UTC
- SHA-256
c8d2e2455061ba913e6ff26ed6d766d4458dd58f127078b384d3eae4edba732a- SHA-1
cddde3b81c64c69f0c59fd4698cee7206cc6fbc6- MD5
96153d45c3f65c6ed07e2893b0d76070
About this file
SDL3.dll is a Win32 DLL file of 2.7 MB.
- Type and size
- Win32 DLL · 2.7 MB
- Signer
- UnsignedNo code signature.
- First seen
- Apr 9, 2026On VirusTotal.
- Submitted by
- 332 distinct sources
- Packer
- None detected
- Entropy
- 6.38 of 8
First scanned
Includes every engine result (75), PE section entropy and packers and how widely the file has been seen.
Show the technical evidenceChapter 05
Questions & answers
Short answers to the 6 questions people ask most about this file.
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Community
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