GridinSoft Threat Intelligence

ytbb.exe file report

Under review File reputation report
MD5 bcc1da6fe894e755c47ac2ec2ffc3213
Latest seen 2025-04-13 23:01:07 (a year ago)
First seen 2017-08-09 10:06:06 (8 years ago)
Size 153 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 10:06:06 (8 years ago); latest analysis 2025-04-13 23:01:07 (a year ago).

Publisher context

Company metadata: Yahoo! Inc.. Product metadata: Yahoo! Toolbar Assistant.

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.

ytbb.exe is a Windows file recorded in the ThreatInfo database. It is associated with Yahoo! Toolbar Assistant. 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 Assistant
Company Name: Yahoo! Inc.
MD5: bcc1da6fe894e755c47ac2ec2ffc3213
Size: 153 KB
First Published: 2017-08-09 10:06:06 (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 ytbb.exe 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\cpn1
%programfiles%\yahoo!\companion\installs\cpn0
%sysdrive%\archivos de programa\yahoo!\companion\installs\cpn
%programfiles%\yahoo!\companion\installs\cpn2
%programfiles%\yahoo!\companion\installs

ThreatInfo has observed ytbb.exe 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 62.8%
Windows 10 27.7%
Windows Vista 4.0%
Windows XP 2.7%
Windows 8.1 1.8%
Windows 8 0.9%

The most common operating system signal for ytbb.exe is Windows 7 with 62.8% 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.

ytbb.exe 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 0x0000fbb3
Image base 0x00400000

PE Sections:

Sections 4
Raw data 147456

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

.text 106496 bytes · 72.2% of section data
MD5 4915643ad15a9334abeeae987489328e
.rdata 24576 bytes · 16.7% of section data
MD5 f33e034ba08748f2647b400d97850de6
.data 8192 bytes · 5.6% of section data
MD5 891a286236e10e3b0bfd7dae76f03c3f
.rsrc 8192 bytes · 5.6% of section data
MD5 fe810bd1718c9f81751c27f7e2d6032b

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 bcc1da6fe894e755c47ac2ec2ffc3213.
  • 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.