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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. The file has been seen being downloaded from tmpfile7223.s3.amazonaws.com.
Publisher:
SecuredDownload  (signed by Quality Criteria (Alpha Criteria Ltd.))

Product:
Program Setup

Version:
1.0.5.a0.1_58854

MD5:
2f90c56bd8df90f2437c1f5de45e819f

SHA-1:
92774e9d6e77758acbd889dd5b4f4e61963e5f45

SHA-256:
4d5a95ed3cf2044ba567260652766c464b37a4526c11a52cdc419ba12e2529f8

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:
5/2/2024 12:17:20 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.InstallCore.AC.Installer (M)
16.7.11.15

File size:
933.7 KB (956,152 bytes)

Product version:
1.0.5.a0.1_58854

Copyright:
SecuredDownload

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\yahoo-messenger.exe

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

Authority:
GlobalSign nv-sa

Valid from:
1/6/2016 7:41:47 AM

Valid to:
8/4/2016 10:23:54 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 5:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:yriPYsi61YBR2c11w3n54kSjJmRD6JGriGuet/di8GD:y+gJg3n59cJmRDSG+Sds8S

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:
7.9355

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

Code size:
39.5 KB (40,448 bytes)

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

https://tmpfile7223.s3.amazonaws.com/download77/ic_trackings/44339/.../yahoo-messenger.exe

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