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yahoo-messenger.exe

Application

Advertiso GMBH

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application yahoo-messenger.exe, “Application Setup ” by Advertiso GMBH 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.
Publisher:
Web Application Generic   (signed by Advertiso GMBH)

Product:
Application

Description:
Application Setup

MD5:
fcadb61d84b9529a2a6c9d0766718c15

SHA-1:
ddd6b02ffd3aaf2208d6a8b0f4b8041c068c2da2

SHA-256:
ee73a036ad1d8869e6a06f52b0d0ec3f2791868970b829ada21c3df895a3f5a3

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

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:
11/26/2024 10:55:12 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore (M)
16.10.16.12

File size:
793 KB (812,000 bytes)

Product version:
3.3.0

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:
Advertiso GMBH

Authority:
thawte, Inc.

Valid from:
6/29/2015 5:00:00 PM

Valid to:
6/29/2016 4:59:59 PM

Subject:
CN=Advertiso GMBH, OU=IT, O=Advertiso GMBH, L=Hamburg, S=GERMANY, C=DE

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
593D173F4B1C49660CF42C340F9CB0D5

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:YBjjroKM4Sdw0LoCGqmiZDNp2lMGq3eG8NT:Yh3oB5wEGaZDNp2fb

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:
7.9182

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.

data:application/octet-stream;base64,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