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yahoo-toolbar.exe

Program Setup

Quality Criteria (Alpha Criteria Ltd.)

The application yahoo-toolbar.exe by Quality Criteria (Alpha Criteria) has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the installCore installer. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. The file has been seen being downloaded from www.currentbundlesuniverse.com.
Publisher:
SecuredDownload  (signed by Quality Criteria (Alpha Criteria Ltd.))

Product:
Program Setup

Version:
1.0.5.a0.1_60370

MD5:
596790a96f940107170fbd041a283630

SHA-1:
bb5c3a2b68fa9dfd934aa0ab081eb0910af3543b

SHA-256:
9b6fb066251c1f2de408967661d0825fb553f7aa3490a5f89eacc73dda7f2a21

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Uses the InstallCore download manager to install additional potentially unwanted software which may include extensions such as DealPly and various toolbars.

Description:
This is an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
11/5/2024 10:37:48 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.InstallCore.AC (M)
16.8.10.19

File size:
920.5 KB (942,592 bytes)

Product version:
1.0.5.a0.1_60370

Copyright:
SecuredDownload

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{random}\yahoo-toolbar.exe

Digital Signature
Signed by:
Quality Criteria (Alpha Criteria Ltd.)

Authority:
GlobalSign nv-sa

Valid from:
1/6/2016 8:41:47 AM

Valid to:
8/4/2016 11:23:54 AM

Subject:
CN=Quality Criteria (Alpha Criteria Ltd.), O=Quality Criteria (Alpha Criteria Ltd.), L=Tel Aviv, C=IL

Issuer:
CN=GlobalSign CodeSigning CA - SHA256 - G2, O=GlobalSign nv-sa, C=BE

Serial number:
1121DC9E5F7E1CC5DF0CA4ED082CF7EB9D86

File PE Metadata
Compilation timestamp:
6/19/1992 6:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:RziCdxbABvLhbbRjpw+xa14y78lvcAb+HA:RWgxbQRbRdw+xat8eAB

Entry address:
0xA5F8

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, CE, 8A, FF, FF, E8, D5, 9C, FF, FF, E8, 64, 9F, FF, FF, E8, 07, A0, FF, FF, E8, A6, BF, FF, FF, E8, 11, E9, FF, FF, E8, 78, EA, FF, FF, 33, C0, 55, 68, C9, AC, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 92, AC, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 26, F5, FF, FF, E8, 11, F1, FF, FF, 80, 3D, 34, B2, 40, 00, 00, 74, 0C, E8, 23, F6, FF, FF, 33, C0, E8, C4, 97, FF, FF, 8D, 55, F0, 33, C0, E8, B6, C5, FF, FF, 8B, 55...
 
[+]

Entropy:
7.9343

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
39.5 KB (40,448 bytes)

The file yahoo-toolbar.exe has been seen being distributed by the following URL.

http://www.currentbundlesuniverse.com/c?x=2dIGTd8MFLYBLlCJ1y aS7Wz672u9Qb7te312ZMoIGQ=&c=CR5MwDuqdG84Ou4Qj2efb59Oexnz MobR2rHKLFQ39J0 Qj9E6l5N55PAD3DnaG851waktQihj3x8/ocEUxakXHpQ7/xGjvy/TdGr0/tJbpvQYJ5nvCMhiTqKZtbaQJF&downloadAs=yahoo-toolbar.exe&fallback_url=http://download-1.com/softwares/.../yahoo_toolbar_install_helper.exe

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