GridinSoft Threat Intelligence
zlib.dll file report
Why it matters
Evidence available for this file
No final classification is available yet.
First seen 2025-01-11 23:05:57 (a year ago); latest analysis 2025-02-17 23:00:55 (a year ago).
Product metadata: zlib.
Signed by Hugh Bailey. 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
zlib.dll is a Windows file recorded in the ThreatInfo database. It is associated with zlib. The current detection status is Undefined, based on the latest analysis from 2025-02-17 23:00:55 (a year 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
| Product Name: | zlib |
| MD5: | 3a0dbc5701d20aa87be5680111a47662 |
| Size: | 140 KB |
| First Published: | 2025-01-11 23:05:57 (a year ago) |
| Latest Published: | 2025-02-17 23:00:55 (a year ago) |
| Status: | Undefined (on last analysis) | |
| Analysis Date: | 2025-02-17 23:00:55 (a year ago) |
Overview
| Signed By: | Hugh Bailey |
| Status: | Valid |
The signature on zlib.dll 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:
| %appdata%\triaox completely solutions |
ThreatInfo has observed zlib.dll 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 zlib.dll across 3 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is United States with 33.3% 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 zlib.dll is Windows 10 with 100.0% 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
zlib.dll is identified as pe for 64-bit systems. The subsystem is Windows CUI. 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.
ac47ef5e715c808723a5031988d939aa
d5738b2382eb9c43658fe1b8de0383b4
b042b1093af6465af0619005357d1392
2b3248fa57445f465e1f437100c9deb4
0233d28b05d45b0023bb93dbbf271b39
d41d8cd98f00b204e9800998ecf8427e
9285c9909a91bfc5ca18d58c54fbd5af
d5bcb957e4d3123a93ec98f918b58066
39a01aeff4a23a6634ec9fbfe28ca7ae
bf619eac0cdf3f68d496ea9344137e8b
5b244abb7327fafeafb77b976a295617
6a2f4816fc6ecb7f7bfa418425bcc8db
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.