GridinSoft Threat Intelligence
WinIo64.sys file report
Why it matters
Evidence available for this file
No final classification is available yet.
First seen 2023-02-10 23:46:39 (3 years ago); latest analysis 2026-04-24 23:01:20 (3 weeks ago).
Signed by Jernej Simoncic. The signature is reported as valid, but signed files can still be bundled or abused.
ThreatInfo has seen this file in user or system paths listed below. Unexpected locations increase the need for local verification.
Recommended action
What to do next
- Use the hash and metadata below to verify the exact file identity.
- Review publisher, signature, paths, and PE details for inconsistencies.
- Run a local scan if the file appears unexpectedly or starts with Windows.
File context
WinIo64.sys is a Windows file recorded in the ThreatInfo database. The current detection status is Undefined, based on the latest analysis from 2026-04-24 23:01:20 (3 weeks ago).
ThreatInfo does not have a final classification for this file yet. Use the technical details below to compare the hash, size, signature, and observed locations with the copy found on your device.
File Details
| MD5: | 97373d38bdd890a2f1224c7d1586db91 |
| Size: | 15 KB |
| First Published: | 2023-02-10 23:46:39 (3 years ago) |
| Latest Published: | 2026-04-24 23:01:20 (3 weeks ago) |
| Status: | Undefined (on last analysis) | |
| Analysis Date: | 2026-04-24 23:01:20 (3 weeks ago) |
Overview
| Signed By: | Jernej Simoncic |
| Status: | Valid |
The signature on WinIo64.sys is reported as valid. A valid signature helps confirm publisher identity, but it does not automatically make the file safe if the installer was bundled, abused, or downloaded from an untrusted source.
Common Places:
| %sysdrive% |
ThreatInfo has observed WinIo64.sys in the locations listed above. Files found in temporary folders, user profile folders, startup locations, or unusual application directories should be reviewed more carefully than files installed under a known program directory.
Geographic signal
Observed country distribution
ThreatInfo has seen WinIo64.sys across 17 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is Brazil with 23.1% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.
OS Version:
The most common operating system signal for WinIo64.sys is Windows 10 with 99.0% of observed hits. If your system differs from the common profile, check whether the file was introduced by a specific installer, archive, or removable device.
Analysis
WinIo64.sys is identified as pe for 64-bit systems. The subsystem is Native. PE header values are useful for triage, especially when they do not match the expected publisher, product, or release timeline.
PE Sections:
Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.
17c003291571982a11e8938252df47be
5b9c7d407dd75367946d0528cc15c036
043c46095689123e1f5be96c109c2f46
b4751b635910cb1534f1d09343399332
98aafc40ea2ca3465ddd8d54e6f0dd63
PE section names and hashes can reveal packing, injected resources, or unusual build artifacts. Sections with uncommon names, very large raw data, or hashes that differ from a trusted copy deserve additional review.
Report conclusion
This file is still under review
ThreatInfo has not assigned a final verdict yet. Compare the file hash, location, signature, and publisher before trusting the file on a production system.