GridinSoft Threat Intelligence
def_bland20.dll file report
Why it matters
Evidence available for this file
No final classification is available yet.
First seen 2017-07-10 02:08:40 (8 years ago); latest analysis 2021-01-13 03:16:46 (5 years ago).
Company metadata: Yahoo! JAPAN. Product metadata: Yahoo!ツールバー.
Signed by Yahoo Japan Corporation. 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
def_bland20.dll is a Windows file recorded in the ThreatInfo database. It is associated with Yahoo!ツールバー. The reported company name is Yahoo! JAPAN. The current detection status is Undefined, based on the latest analysis from 2021-01-13 03:16:46 (5 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: | Yahoo!ツールバー |
| Company Name: | Yahoo! JAPAN |
| MD5: | e5e6edbbb687dc4ffcce04aeaef4203f |
| Size: | 70 KB |
| First Published: | 2017-07-10 02:08:40 (8 years ago) |
| Latest Published: | 2021-01-13 03:16:46 (5 years ago) |
| Status: | Undefined (on last analysis) | |
| Analysis Date: | 2021-01-13 03:16:46 (5 years ago) |
Overview
| Signed By: | Yahoo Japan Corporation |
| Status: | Valid |
The signature on def_bland20.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%\yahoo!j\toolbar\7_3_0_25\modules |
| %programfiles%\yahoo!j\toolbar\7_3_0_25 |
ThreatInfo has observed def_bland20.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 def_bland20.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 Japan 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 def_bland20.dll is Windows 7 with 53.8% 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
def_bland20.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.
182fdeb9b7491f2fd76319ad119650b4
62af057682886003beaaee7be5d6ce86
5edd1168d1625de1a662489d8b5d66aa
a955b987ec59f1b1d0bc6e804bb44f83
973356368b6765a0717fe47cfb2b67d8
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.