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yahoomail_setup.exe

Quick Downloader

The Adlogica setup manager, an installer that bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed without consent. The application yahoomail_setup.exe by Quick Downloader has been detected as adware by 7 anti-malware scanners. The program is a setup application that uses the Adlogica Quick Downloader 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 downloader.inbox2me.com.
Publisher:
Quick Downloader  (signed and verified)

MD5:
670317364a59927643e29fc6cd3f6d76

SHA-1:
4065c477610b94cba4bf044e40e4b2bc72571a32

SHA-256:
6944054ce43243efbd50475daacd635049286a7634f35aa03525158c498a2d18

Scanner detections:
7 / 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:
11/30/2024 10:54:53 AM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:OutBrowse-CH [PUP]
160216-3

AVG
Adware InstallCore.VU
2015.0.4530

Dr.Web
Adware.InstallCore.133
9.0.1.05190

ESET NOD32
Win32/InstallCore.BX potentially unwanted application
8.0.319.0

Microsoft Security Essentials
Threat.Undefined
1.215.1444.0

Reason Heuristics
PUP.Adlogica.QuickDow.Bundler (M)
16.3.13.21

VIPRE Antivirus
Threat.4786018
47432

File size:
617.3 KB (632,072 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Adlogica Quick Downloader (using Inno Setup)

Common path:
C:\users\{user}\downloads\yahoomail_setup.exe

Digital Signature
Signed by:
Quick Downloader

Authority:
COMODO CA Limited

Valid from:
8/8/2013 12:00:00 AM

Valid to:
8/8/2014 11:59:59 PM

Subject:
CN=Quick Downloader, O=Quick Downloader, STREET=96 Jessie st, STREET=4th floor, L=San Francisco, S=CA, PostalCode=94105, C=US

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
00886E74060345A7D9DD833C2ADF305E49

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):
12288:tyMJfsG7wtequI7zNU/bOqkVp0ZlD6iINeW9SoBh9qHmqWu:tyMJfsKwYiCT1kVpsOiRk0mqW

Entry address:
0x98CC

Entry point:
55, 8B, EC, 83, C4, CC, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, FA, 97, FF, FF, E8, 01, AA, FF, FF, E8, 2C, CC, FF, FF, E8, 73, CC, FF, FF, E8, 0A, F3, FF, FF, E8, 71, F4, FF, FF, 33, C0, 55, 68, 76, 9F, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 2C, 9F, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, B0, 40, 00, E8, 9B, FE, FF, FF, E8, 26, FA, FF, FF, 8D, 55, F0, 33, C0, E8, E0, D0, FF, FF, 8B, 55, F0, B8, D8, BD, 40, 00, E8, AB, 98, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, D8, BD, 40, 00, B2, 01, B8...
 
[+]

Entropy:
7.7963

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

Code size:
36 KB (36,864 bytes)

The file yahoomail_setup.exe has been seen being distributed by the following URL.

http://downloader.inbox2me.com/download.php?id=b551ce61b34cbf750f44a34a35d64b271245ee9c&z=0&p=eyJweSI6ImliIiwicnMiOiJnb29nbGUiLCJydCI6InNlYXJjaCIsImMiOiJ1cyIsIm8iOiJ3aW43IiwiYiI6ImNoMzAiLCJ1X2lkIjoiaWJfNTI3ODBlYzZiMTQ5ZTcuMDE2Njg3OTQiLCJwYV9pZCI6IjAiLCJzdF9pZCI6IjAiLCJzcF9pZCI6IjAwMDMtMDAwMCIsInRzIjoxMzgzNTk5ODE0LCJrdyI6InlhaG9vIG1haWwiLCJjdSI6InlhaG9vIG1haWwifQ==

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