GridinSoft Threat Intelligence
fastgl.dll file report
Why it matters
Evidence available for this file
No final classification is available yet.
First seen 2024-08-10 23:02:30 (2 years ago); latest analysis 2024-08-10 23:02:30 (2 years ago).
Company metadata: 茉柏枘（上海）软件科技有限公司. Product metadata: PDF 阅读器.
Signed by 茉柏枘（上海）软件科技有限公司. 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
fastgl.dll 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 2024-08-10 23:02:30 (2 years 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: | ac1efbc4818d8cc47c6be84d30a8e167 |
| Size: | 456 KB |
| First Published: | 2024-08-10 23:02:30 (2 years ago) |
| Latest Published: | 2024-08-10 23:02:30 (2 years ago) |
| Status: | Undefined (on last analysis) | |
| Analysis Date: | 2024-08-10 23:02:30 (2 years ago) |
Overview
| Signed By: | 茉柏枘（上海）软件科技有限公司 |
| Status: | Valid |
The signature on fastgl.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%\fastpdf\update\cm |
ThreatInfo has observed fastgl.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 fastgl.dll 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 fastgl.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
fastgl.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.
843df6bf53d4f07d7a4038b73d40a18a
971393d9b8bae9555a9330b3cd0f269a
294a1125c0849f7bfe4cbea13023972b
8cc7088c6196d3ff8701f0451e915d75
c573bd7cea296a9c5d230ca6b5aee1a6
918178d50534f36c9ff98bb833d37892
c838cb526e99ae7581cbf85cbf29b121
3798d45c2913dbcab6bec1f343680cdd
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.