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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_59214

MD5:
623c12ad563044bef8103762d5a367e2

SHA-1:
3611e53a2b8e9599b4d47e4151553fad5754a66a

SHA-256:
6332baa5175854f33426c487483997780cfef97297cb64defba9ce9791a7575a

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:
11/24/2024 6:02:00 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.InstallCore.AC (M)
16.8.6.23

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}\downloads\yahoo-messenger.exe

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

Authority:
GlobalSign nv-sa

Valid from:
1/6/2016 6:41:47 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:YvKv1P8DGFiu57x5SEFzeFigd58SwkYIbtu3:kMeIfqCw46s

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.

http://www.todaybytetower.com/c?x=6FhPLXTZsw1lmJavfvBgjtb9ODLqrswYzg4Esp zoGs=&c=UM9Dz8O9uc NAACX2JRseJ52wEd6vnu8H/cttp31q3GHv30Q5DeZXCKiDb9eh4IZFd76ZXQw71FDvVxAAiOX7HSY70IAeufGcRDkEnaV66gydObq2aB2Z0wVaZf1iTIzAp4o/qFrk4BzuurKqslBJer3fe8OAlJl/MJ69pGxqmw=&downloadAs=yahoo-messenger.exe&fallback_url=http://ddxserverneu.com/softwares/.../saegr11us.exe

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