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:
009b4cca017d3488306b1987c41a1906

SHA-1:
8403e5002023f67d972138451870344751d8ee11

SHA-256:
25fcc8ac554fabaaa225c7da6247ceb95bfc741a741abd889221ee315f815ed2

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 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:
4/25/2024 11:26:12 AM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:OutBrowse-CH [PUP]
160327-1

Dr.Web
Trojan.Packed.24524
9.0.1.05190

ESET NOD32
Win32/InstallCore.BX potentially unwanted application
8.0.319.0

F-Prot
W32/InstallCore.R.gen
4.6.5.141

Microsoft Security Essentials
Threat.Undefined
1.217.1366.0

Reason Heuristics
PUP.Adlogica.QuickDow.Bundler (M)
16.4.16.20

File size:
612.9 KB (627,624 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
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 5:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:ZyMJfsGLobgGZ2SihvKPxb0Z9nsgbir6gqqrn+7sw57h0:ZyMJfsCGgGgvhvKPF6sgbiOgqK+79F0

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:
7.8068

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.

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