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yahoo! messenger.exe

Contumar Empresarial

This belongs to a Solimba product that may be bundled with additional PUPs or may be part of an ad-supported software program. The application yahoo! messenger.exe by Contumar Empresarial 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 Solimba DownloadMR installer. It uses the Solimba download manager to push adware offers during the download and setup process. Bundled adware includes search and shopping web browser toolbars.
Publisher:
Contumar Empresarial  (signed and verified)

MD5:
6931b1c81288abbfe23019727144d49e

SHA-1:
cac6ce2695a3e22ecb77d82b8c3793339ef5ade6

SHA-256:
de77084ab04469d018bad5759453c99ad27e08f07bd54d53b4b4dc00da30dad4

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Uses the Solimba installer to bundle adware offers.

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:
5/6/2024 12:30:17 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Solimba (M)
17.3.8.23

File size:
583.2 KB (597,216 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Solimba DownloadMR

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

Digital Signature
Signed by:
Contumar Empresarial

Authority:
Thawte, Inc.

Valid from:
9/23/2014 5:00:00 PM

Valid to:
9/23/2016 4:59:59 PM

Subject:
CN=Contumar Empresarial, O=Contumar Empresarial, L=Barcelona, S=Barcelona, C=ES

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
2948ACD2126C11B674661E79E57D288D

File PE Metadata
Compilation timestamp:
12/11/2014 7:21:24 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

Entry address:
0xD44C

Entry point:
E8, AF, 6C, 00, 00, E9, 00, 00, 00, 00, 6A, 14, 68, E0, 5F, 42, 00, E8, FE, 15, 00, 00, E8, 80, 6E, 00, 00, 0F, B7, F0, 6A, 02, E8, 42, 6C, 00, 00, 59, B8, 4D, 5A, 00, 00, 66, 39, 05, 00, 00, 40, 00, 74, 04, 33, DB, EB, 33, A1, 3C, 00, 40, 00, 81, B8, 00, 00, 40, 00, 50, 45, 00, 00, 75, EB, B9, 0B, 01, 00, 00, 66, 39, 88, 18, 00, 40, 00, 75, DD, 33, DB, 83, B8, 74, 00, 40, 00, 0E, 76, 09, 39, 98, E8, 00, 40, 00, 0F, 95, C3, 89, 5D, E4, E8, 0B, 65, 00, 00, 85, C0, 75, 08, 6A, 1C, E8, DC, 00, 00, 00, 59, E8...
 
[+]

Entropy:
7.7342  (probably packed)

Code size:
111 KB (113,664 bytes)

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

http://it.win-install.info/yahoo-messenger/download/.../59

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