GridinSoft Threat Intelligence

ytbb.exe file report

Under review File reputation report
MD5 d4654db25aa847f0216dbe8bcde238fc
Latest seen 2022-05-22 23:48:11 (3 years ago)
First seen 2017-08-09 05:04:51 (8 years ago)
Size 211 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 05:04:51 (8 years ago); latest analysis 2022-05-22 23:48:11 (3 years 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 2022-05-22 23:48:11 (3 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! Toolbar Assistant
Company Name: Yahoo! Inc.
MD5: d4654db25aa847f0216dbe8bcde238fc
Size: 211 KB
First Published: 2017-08-09 05:04:51 (8 years ago)
Latest Published: 2022-05-22 23:48:11 (3 years ago)
Status: Undefined (on last analysis)
Analysis Date: 2022-05-22 23:48:11 (3 years 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\cpn4
%programfiles%\yahoo!\companion\installs\cpn2
%programfiles%\yahoo!\companion\installs\cpn6
%programfiles%\yahoo!\companion\installs\cpn9
%programfiles%\yahoo!\companion\installs\cpn1
%programfiles%\yahoo!\companion\installs\cpn3
%programfiles%\yahoo!\companion\installs\cpn5
%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 40.9%
Windows XP 28.4%
Windows 10 27.3%
Windows Vista 3.4%

The most common operating system signal for ytbb.exe is Windows 7 with 40.9% 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.

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 0x00017b83
Image base 0x00400000

PE Sections:

Sections 5
Raw data 208896

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

.text 135168 bytes · 64.7% of section data
MD5 322f60a5041034048dc5156fe78e0191
.rdata 35328 bytes · 16.9% of section data
MD5 b36054108714a4096e23bb84e2ae4cb8
.data 10752 bytes · 5.1% of section data
MD5 ce68c8f7c6ce2af3fb5cb31756da0a21
.rsrc 13824 bytes · 6.6% of section data
MD5 72c4e4e9fde857bdf86e44f667689459
.reloc 13824 bytes · 6.6% of section data
MD5 2a654febe40c0c47641875afc152b9fb

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 d4654db25aa847f0216dbe8bcde238fc.
  • 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.