GridinSoft Threat Intelligence

YTBM.dll file report

Under review File reputation report
MD5 28090b517d6c72729a2f7a575e891670
Latest seen 2025-04-13 23:01:07 (a year ago)
First seen 2017-08-09 10:06:07 (8 years ago)
Size 327 KB
Publisher Yahoo! Inc.
Signed by Yahoo! Inc.

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2017-08-09 10:06:07 (8 years ago); latest analysis 2025-04-13 23:01:07 (a year ago).

Publisher context

Company metadata: Yahoo! Inc.. Product metadata: Yahoo! Toolbar Bookmarks Module.

Digital signature

Signed by Yahoo! Inc.. The signature is reported as valid, but signed files can still be bundled or abused.

Observed locations

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

  1. Use the hash and metadata below to verify the exact file identity.
  2. Review publisher, signature, paths, and PE details for inconsistencies.
  3. Run a local scan if the file appears unexpectedly or starts with Windows.

YTBM.dll is a Windows file recorded in the ThreatInfo database. It is associated with Yahoo! Toolbar Bookmarks Module. The reported company name is Yahoo! Inc.. The current detection status is Undefined, based on the latest analysis from 2025-04-13 23:01:07 (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.

Product Name: Yahoo! Toolbar Bookmarks Module
Company Name: Yahoo! Inc.
MD5: 28090b517d6c72729a2f7a575e891670
Size: 327 KB
First Published: 2017-08-09 10:06:07 (8 years ago)
Latest Published: 2025-04-13 23:01:07 (a year ago)
Status: Undefined (on last analysis)
Analysis Date: 2025-04-13 23:01:07 (a year ago)
Signed By: Yahoo! Inc.
Status: Valid

The signature on YTBM.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.

%programfiles%\yahoo!\companion\installs\cpn
%sysdrive%\arquivos de programas\yahoo!\companion\installs\cpn
%programfiles%\yahoo!\companion\installs\cpn0
%programfiles%\yahoo!\companion\installs\cpn1
%sysdrive%\archivos de programa\yahoo!\companion\installs\cpn
%programfiles%\yahoo!\companion\installs\cpn2
%programfiles%\yahoo!\companion\installs

ThreatInfo has observed YTBM.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.

Windows 7 63.6%
Windows 10 27.8%
Windows Vista 3.9%
Windows XP 2.0%
Windows 8.1 1.8%
Windows 8 0.9%

The most common operating system signal for YTBM.dll is Windows 7 with 63.6% 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.

YTBM.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.

Format pe
Architecture 32-bit
Subsystem Windows GUI
Entry point 0x000299fb
Image base 0x63000000

PE Sections:

Sections 5
Raw data 328704

Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.

.text 226816 bytes · 69.0% of section data
MD5 87c98930d52c90570422f759b5cb4bf3
.rdata 47616 bytes · 14.5% of section data
MD5 26c144cd76d58fe0427d8c07f6e79114
.data 28160 bytes · 8.6% of section data
MD5 80b94305beff6a7b0c83f9c0c4830bec
.rsrc 5632 bytes · 1.7% of section data
MD5 999c63d5c63e07d8ee7c0ce34e434c4d
.reloc 20480 bytes · 6.2% of section data
MD5 703315779ab8ae99df6c0eece263daf9

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.

Scan with GridinSoft Anti-Malware Use a local scan if the file origin or behavior is unclear. Check this hash on VirusTotal

Recommended next steps

  • Compare the local file MD5 with 28090b517d6c72729a2f7a575e891670.
  • Check the file path, publisher, and signature against the details in this report.
  • Run a GridinSoft scan if the source, path, or behavior looks unusual.