ytmsgr.dll file report

MD5 2b3276e72020bb54589873b66d7d296b
Latest seen 2025-02-06 23:05:51 (a year ago)
First seen 2017-08-11 01:00:53 (8 years ago)
Size 30 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 2017-08-11 01:00:53 (8 years ago); latest analysis 2025-02-06 23:05:51 (a year ago).

Publisher context

Company metadata: Yahoo!, Inc.. Product metadata: Yahoo! Toolbar Messenger Button.

Digital signature

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

Aliases

This hash has appeared under multiple file names, which can happen with repackaging, bundling, or deliberate renaming.

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.

ytmsgr.dll is a Windows file recorded in the ThreatInfo database. It is associated with Yahoo! Toolbar Messenger Button. The reported company name is Yahoo!, Inc.. The current detection status is Undefined, based on the latest analysis from 2025-02-06 23:05:51 (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 Messenger Button
Company Name: Yahoo!, Inc.
MD5: 2b3276e72020bb54589873b66d7d296b
Size: 30 KB
First Published: 2017-08-11 01:00:53 (8 years ago)
Latest Published: 2025-02-06 23:05:51 (a year ago)
Status: Undefined (on last analysis)
Analysis Date: 2025-02-06 23:05:51 (a year ago)
Signed By: Yahoo! Inc.
Status: Valid

The signature on ytmsgr.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
%programfiles%\yahoo!\companion\installs
%programfiles%\yahoo!\companion\installs
%programfiles%\yahoo!\companion\installs
%programfiles%\yahoo!\companion\installs
%programfiles%\yahoo!\companion\installs
%programfiles%\yahoo!\companion\installs
%programfiles%\yahoo!\companion\installs
%programfiles%\yahoo!\companion\installs
%programfiles%\yahoo!\companion\installs

ThreatInfo has observed ytmsgr.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.

YTMsgr.dll
ytmsgr.dll

This hash has been seen with multiple file names. Alternate names can appear when software is updated, copied between folders, packed by an installer, or deliberately renamed to avoid recognition. Compare the exact MD5 above before assuming two names refer to the same file.

28.4%
20.0%
7.4%
6.3%
4.2%
4.2%
4.2%
3.2%
2.1%
2.1%
2.1%
2.1%
2.1%
1.1%
1.1%
1.1%
1.1%
1.1%
1.1%
1.1%
1.1%
1.1%
1.1%
1.1%

The strongest geographic signal for this file is Serbia with 28.4% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.

Windows XP 47.9%
Windows 7 28.1%
Windows 10 16.7%
Windows 8.1 3.1%
Windows 8 3.1%
Windows Vista 1.0%

The most common operating system signal for ytmsgr.dll is Windows XP with 47.9% 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.

ytmsgr.dll is identified as pe for 32 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.

Subsystem: Windows GUI
PE Type: pe
OS Bitness: 32
Image Base: 0x10000000
Entry Address: 0x00004125

PE Sections:

Name Size of data MD5
.text 12800 07fba1e0bddca46b943d250b4ba94eb6
.rdata 4096 19fea7a05c818fba8ceb6c9735e7d754
.data 512 b9d1ffaf2753af75c6bb47cc807d65ae
.rsrc 5632 4f9bd3ba201d2a6b2605c2fcb845e58a
.reloc 1536 33b42de5580efb4e26efc1a8ef3ea2e3

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.

More information: