GridinSoft Threat Intelligence
7z.dll file report
Why it matters
Evidence available for this file
No final classification is available yet.
First seen 2020-11-15 11:46:06 (5 years ago); latest analysis 2025-04-28 23:01:27 (a year ago).
Company metadata: Igor Pavlov. Product metadata: 7-Zip.
Signed by Chengdu Qilu Technology Co. Ltd.. 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
7z.dll is a Windows file recorded in the ThreatInfo database. It is associated with 7-Zip. The reported company name is Igor Pavlov. The current detection status is Undefined, based on the latest analysis from 2025-04-28 23:01:27 (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: | 7-Zip |
| Company Name: | Igor Pavlov |
| MD5: | 2706693dda10c6cc79eed24c56d4e5ef |
| Size: | 1 MB |
| First Published: | 2020-11-15 11:46:06 (5 years ago) |
| Latest Published: | 2025-04-28 23:01:27 (a year ago) |
| Status: | Undefined (on last analysis) | |
| Analysis Date: | 2025-04-28 23:01:27 (a year ago) |
Overview
| Signed By: | Chengdu Qilu Technology Co. Ltd. |
| Status: | Valid |
The signature on 7z.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:
| %programfiles%\ludashi |
ThreatInfo has observed 7z.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 7z.dll across 6 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is China with 28.6% 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 7z.dll is Windows 10 with 85.7% 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
7z.dll is identified as pe for 32-bit systems. The subsystem is Windows GUI. 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.
9aae2cd5bb4bfa8ea27ca28096a3ae97
084531d666e7cffb5ab98d9fe35cf15a
68e14b5fe4741d064b16043f59f2a1a4
3dd0e58353a64966c807f11d4bc896ba
a248b7fba4458709e24079032732c922
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.