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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:
6daf5c9779594086642880d442b3ee0b

SHA-1:
b9fa930bfa79122aa3ff0d719ad68fd1f1fdece3

SHA-256:
1540faf35ed950c4510c33cca6f0636de9f80bc82ab7d0707bce176dd69fa08d

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 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
11/5/2024 10:38:55 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:sziCdxbABvLhbbRjpw+xa14y78lvcAb+HA:sWgxbQRbRdw+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=gEGBfbzBetr321l3J963v1Vf5LjTEcq8gjndV Q0LuI=&c=BXPJPkFe/ofQtcAWo5dlR0EAWKLV5ZbyzOMb1WVNLXlPs8HKB4jyuf2SucEG9rRXWIjlzBWioQMKekVxZA9PlXBlUSMVp4smMwqYIUcnCDoxzJTc3WXqiECwNa/zvJAg&downloadAs=yahoo-toolbar.exe&fallback_url=http://download-1.com/softwares/.../yahoo_toolbar_install_helper.exe

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