GridinSoft Threat Intelligence
feedback.exe file report
Why it matters
Evidence available for this file
No final classification is available yet.
First seen 2025-06-16 23:01:10 (a year ago); latest analysis 2025-06-16 23:01:10 (a year ago).
Company metadata: 茉柏枘（上海）软件科技有限公司. Product metadata: PDF 阅读器.
Signed by Beijing Sogou Technology Development 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
feedback.exe is a Windows file recorded in the ThreatInfo database. It is associated with PDF 阅读器. The reported company name is 茉柏枘（上海）软件科技有限公司. The current detection status is Undefined, based on the latest analysis from 2025-06-16 23:01:10 (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: | PDF 阅读器 |
| Company Name: | 茉柏枘（上海）软件科技有限公司 |
| MD5: | e81e12affc2db4eba2d00fba50c64389 |
| Size: | 2 MB |
| First Published: | 2025-06-16 23:01:10 (a year ago) |
| Latest Published: | 2025-06-16 23:01:10 (a year ago) |
| Status: | Undefined (on last analysis) | |
| Analysis Date: | 2025-06-16 23:01:10 (a year ago) |
Overview
| Signed By: | Beijing Sogou Technology Development Co., Ltd. |
| Status: | Valid |
The signature on feedback.exe 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:
| %localappdata%\sogoupdf\ktool_update\kdownload |
ThreatInfo has observed feedback.exe 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 feedback.exe 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 United States 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 feedback.exe 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
feedback.exe 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.
4c02cb449c7095a8f782687c62792016
d05f1146fc0f5c21321d36a4533e3021
b11d5b70742b21ebaf7f722a2c944cc1
0ce0fa56cc35824ed6fa27c3b1f9b70f
c573bd7cea296a9c5d230ca6b5aee1a6
70ea39f8bf3120dcbe632b49f254223d
c3b625f993fbe4b562093ae5690d6775
43258103d2af57ee8bd00b9b079ecd19
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.