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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 www.todaybytetower.com.
Publisher:
SecuredDownload  (signed by Quality Criteria (Alpha Criteria Ltd.))

Product:
Program Setup

Version:
1.0.5.a0.1_58854

MD5:
090c878090b35c8f9dfb24759690d89e

SHA-1:
8a83e6f3e945a76e7de15082866342d8abc2683f

SHA-256:
e90c6af8b528beefd2b6d565e7484859f12c1657131078b29f38a4eefb9f1aa8

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:
11/5/2024 10:43:09 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.InstallCore.AC (M)
16.8.3.22

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 5:41:47 AM

Valid to:
8/4/2016 8:23:54 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 3:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:friPYsi61YBR2c11w3n54kSjJmRD6JGriGuet/di8GD:f+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.

http://www.todaybytetower.com/c?x=tRIyzZT80O05nQBGZn2rajB0prjBJlwM0sZX8oszEJM=&c=iEUYh/6y1WWHMIBWyqfPkBYhamcJt7GZwF2QAKRVsdF2v1OLTofyyf9HbQs6S/uwEe0/ulU2CHRZNIpyiOJoIVxN3Fp9TIRUnXd9cZO44qHZpIh k9/nftGR/4Ksampda6i/tg5AFPWbKOi6MQc0bLqMuPd4o6zYmFSd0XhPmQE=&downloadAs=yahoo-messenger.exe&fallback_url=http://ddxserverneu.com/softwares/.../saegr11us.exe

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