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yahoo_toolbar_install_helper.exe

Yahoo! Inc.

This is a self-extracting archive and installer. The file has been seen being downloaded from download.yimg.com and multiple other hosts.
Publisher:
Yahoo! Inc.  (signed and verified)

Description:
Yahoo! Toolbar Install Helper Setup

Version:
2008.01.25.01

MD5:
2cccfe7acbb5aeef643209c87db5beca

SHA-1:
5e0e325fc612c4d87d9db0fb02fc608237fcc803

SHA-256:
58084c897f24c75e39fca5451d362a7c808e3d1f572588fe05243c7f6606400e

Scanner detections:
0 / 68

Status:
Clean (as of last analysis)

Analysis date:
5/28/2024 10:36:45 PM UTC  (today)

File size:
227.3 KB (232,704 bytes)

Copyright:
Copyright (c) 2008 Yahoo! Inc.

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\yahoo_toolbar_install_helper.exe

Digital Signature
Signed by:
Yahoo! Inc.

Authority:
VeriSign, Inc.

Valid from:
8/11/2006 1:00:00 AM

Valid to:
9/4/2009 12:59:59 AM

Subject:
CN=Yahoo! Inc., OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Yahoo! Inc., L=Santa Clara, S=CA, C=US

Issuer:
CN=VeriSign Class 3 Code Signing 2004 CA, OU=Terms of use at https://www.verisign.com/rpa (c)04, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
5A2D0E95592B515A5CF3F5C5D59C88B7

File PE Metadata
Compilation timestamp:
11/27/2006 5:36:03 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:xrrPEV++16Ar+pYLFqt+RjMVFj62tEgQYp1K1HReB:Kf13+6LFqt+RAVk2tEgQ+iHRw

Entry address:
0x3132

Entry point:
81, EC, 7C, 01, 00, 00, 53, 55, 56, 33, F6, 57, 89, 74, 24, 18, BD, 40, 92, 40, 00, C6, 44, 24, 10, 20, FF, 15, 30, 70, 40, 00, 56, FF, 15, 70, 72, 40, 00, A3, F0, 47, 42, 00, 56, 8D, 44, 24, 30, 68, 60, 01, 00, 00, 50, 56, 68, F8, FC, 41, 00, FF, 15, 58, 71, 40, 00, 68, 30, 92, 40, 00, 68, 40, 3F, 42, 00, E8, 28, 28, 00, 00, BB, 00, B4, 42, 00, 53, 68, 00, 04, 00, 00, FF, 15, B4, 70, 40, 00, E8, 64, FF, FF, FF, 85, C0, 75, 24, 68, FB, 03, 00, 00, 53, FF, 15, B0, 70, 40, 00, 68, 28, 92, 40, 00, 53, E8, 13...
 
[+]

Entropy:
7.8408  (probably packed)

Code size:
22.5 KB (23,040 bytes)

The file yahoo_toolbar_install_helper.exe has been seen being distributed by the following 2 URLs.

http://download.yimg.com/ycs/toolbar/ie/.../yahoo_toolbar_install_helper.exe

http://xp.yimg.com/ei/toolbar/.../yahoo_toolbar_install_helper.exe

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