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yahoo-messenger.exe

Program Setup

Quality Criteria (Alpha Criteria Ltd.)

The application yahoo-messenger.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. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from tmpfile7582.s3.amazonaws.com.
Publisher:
SecuredDownload  (signed by Quality Criteria (Alpha Criteria Ltd.))

Product:
Program Setup

Version:
1.0.5.a0.1_59214

MD5:
f17be4db1a8b898ea06956b87f623faa

SHA-1:
9d6c1f2dca68a33f6551b35a31476f7eb4e53ddd

SHA-256:
39c91a46ad2f7564deb5f3909dbcd461f49f0d9b6b57b53122ba3ec08f309397

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 also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
11/6/2024 12:38:49 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.InstallCore.AC.Installer (M)
16.6.28.5

File size:
915.9 KB (937,880 bytes)

Product version:
1.0.5.a0.1_59214

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\temporary internet files\content.ie5\{random}\yahoo-messenger.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):
24576:3vKv1P8DGFiu57x5SEFzeFigd58SwkYIbtu3:/MeIfqCw46s

Entry address:
0x9C40

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, 86, 94, FF, FF, E8, 8D, A6, FF, FF, E8, 1C, A9, FF, FF, E8, 53, C9, FF, FF, E8, 9A, C9, FF, FF, E8, C9, F2, FF, FF, E8, 30, F4, FF, FF, 33, C0, 55, 68, FC, A2, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, C5, A2, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 96, FE, FF, FF, E8, C9, FA, FF, FF, 8D, 55, F0, 33, C0, E8, 83, CF, FF, FF, 8B, 55, F0, B8, 24, CE, 40, 00, E8, 32, 95, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, 24, CE...
 
[+]

Entropy:
7.9324

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

Code size:
37 KB (37,888 bytes)

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

https://tmpfile7582.s3.amazonaws.com/download77/ic_trackings/39562/.../yahoo-messenger.exe

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