ypubc.dll file report

MD5 1ab322d59eb28e6695a66e22a72d8485
Latest seen 2021-01-07 15:13:32 (5 years ago)
First seen 2017-08-11 01:00:53 (8 years ago)
Size 191 KB
Publisher 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 2021-01-07 15:13:32 (5 years ago).

Publisher context

Company metadata: Yahoo! Inc.. Product metadata: Yahoo! Pop-Up Blocker.

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.

ypubc.dll is a Windows file recorded in the ThreatInfo database. It is associated with Yahoo! Pop-Up Blocker. The reported company name is Yahoo! Inc.. The current detection status is Undefined, based on the latest analysis from 2021-01-07 15:13:32 (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.

Product Name: Yahoo! Pop-Up Blocker
Company Name: Yahoo! Inc.
MD5: 1ab322d59eb28e6695a66e22a72d8485
Size: 191 KB
First Published: 2017-08-11 01:00:53 (8 years ago)
Latest Published: 2021-01-07 15:13:32 (5 years ago)
Status: Undefined (on last analysis)
Analysis Date: 2021-01-07 15:13:32 (5 years ago)
%programfiles%\yahoo!\companion\installs\cpn0
%programfiles%\yahoo!\companion\installs\cpn1
%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

ThreatInfo has observed ypubc.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.

11.8%
9.4%
9.4%
9.4%
8.2%
7.1%
5.9%
4.7%
3.5%
3.5%
3.5%
3.5%
2.4%
2.4%
1.2%
1.2%
1.2%
1.2%
1.2%
1.2%
1.2%
1.2%
1.2%
1.2%
1.2%
1.2%
1.2%

The strongest geographic signal for this file is Vietnam with 11.8% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.

Windows 7 62.5%
Windows 10 20.5%
Windows Vista 10.2%
Windows XP 4.5%
Windows 8.1 2.3%

The most common operating system signal for ypubc.dll is Windows 7 with 62.5% 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.

ypubc.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: 0x65000000
Entry Address: 0x00017371

PE Sections:

Name Size of data MD5
.text 129536 4dd7a1340dc4e0a610b7413d1e0fe1cb
.rdata 27648 88f91b5a48881f4dfb8ffa57ea2a8b82
.data 6144 3e436fee17e317defd9db75afd242a5b
.rsrc 18432 e802da1be40a1ade022c2404af20b1ab
.reloc 13312 cde5ee52d88e5ab6a762ad865f818c76

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: