GridinSoft Threat Intelligence
Extwebmail.dll file report
Why it matters
Evidence available for this file
No final classification is available yet.
First seen 2020-11-05 23:44:09 (5 years ago); latest analysis 2026-05-09 23:01:11 (2 weeks ago).
Signed by Beijing Qihu 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
Extwebmail.dll is a Windows file recorded in the ThreatInfo database. It is associated with 360安全浏览器. The reported company name is 360.cn. The current detection status is Undefined, based on the latest analysis from 2026-05-09 23:01:11 (2 weeks 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: | 360安全浏览器 |
| Company Name: | 360.cn |
| MD5: | 39cd3c544568cbfcecf67de6faf21db9 |
| Size: | 1012 KB |
| First Published: | 2020-11-05 23:44:09 (5 years ago) |
| Latest Published: | 2026-05-09 23:01:11 (2 weeks ago) |
| Status: | Undefined (on last analysis) | |
| Analysis Date: | 2026-05-09 23:01:11 (2 weeks ago) |
Overview
| Signed By: | Beijing Qihu Technology Co., Ltd. |
| Status: | Valid |
The signature on Extwebmail.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%\360se6\application\components |
ThreatInfo has observed Extwebmail.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 Extwebmail.dll across 7 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 Extwebmail.dll is Windows 10 with 83.3% 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
Extwebmail.dll is identified as pe for 32-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.
f04bbd3b77f41af655d108c217f13690
f3d1f178b28e6918998adadc30f20446
90474da0cd494a4a6982bf63885e32fd
15c4758ffef4276fd527605024fa4c20
0a5e11890a6bb7305c9d909c33516f27
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.