GridinSoft Threat Intelligence
inst.ep file report
Why it matters
Evidence available for this file
No final classification is available yet.
First seen 2025-02-28 23:01:11 (a year ago); latest analysis 2025-02-28 23:01:11 (a year ago).
Company metadata: 上海互盾信息科技有限公司. Product metadata: 迅捷图片转换器.
Signed by Shanghai Hudun Information 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
inst.ep is a Windows file recorded in the ThreatInfo database. It is associated with 迅捷图片转换器. The reported company name is 上海互盾信息科技有限公司. The current detection status is Undefined, based on the latest analysis from 2025-02-28 23:01:11 (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: | 迅捷图片转换器 |
| Company Name: | 上海互盾信息科技有限公司 |
| MD5: | 530679ef1451184d22a5164b7bffcb88 |
| Size: | 2 MB |
| First Published: | 2025-02-28 23:01:11 (a year ago) |
| Latest Published: | 2025-02-28 23:01:11 (a year ago) |
| Status: | Undefined (on last analysis) | |
| Analysis Date: | 2025-02-28 23:01:11 (a year ago) |
Overview
| Signed By: | Shanghai Hudun Information Technology Co., Ltd. |
| Status: | Valid |
The signature on inst.ep 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%\hudun |
ThreatInfo has observed inst.ep 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 inst.ep across 1 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 100.0% 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 inst.ep 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
inst.ep 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.
065536c23b3f191ef534a0c8a1abe73b
d0e989271021d6aa3481f73f0d322a4c
8dda773eddbf59956ecf1ca79712dd15
0c3bdda6a0dccedf01af4360342ffd53
1f354d76203061bfdd5a53dae48d5435
a713a886e740eebbf93d8e0fe58b9918
ea9d99ae456b588394142f6bc6bc12aa
3f1c81ca84db19f62dc17f0f39e8b2ed
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.