adobe_reader_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 adobe_reader_setup.exe by Quick Downloader has been detected as adware by 6 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 downloader2.downloadinfo.co.
Publisher:
Quick Downloader  (signed and verified)

MD5:
b960e1a8b502359449cf31fb94a957a1

SHA-1:
937d77ebeb0f2d7df39af4a6acbfd837a0719c6b

SHA-256:
d2d6147e3d4c89a8a8aba51ca80cb87f372add6893c9bde350775e08ad21f6e7

Scanner detections:
6 / 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:
4/25/2024 10:23:23 PM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:Malware-gen
160216-0

AVG
Adware InstallCore.WH
2015.0.4530

Dr.Web
Adware.InstallCore.133
9.0.1.05190

ESET NOD32
Win32/InstallCore.BY potentially unwanted application
7.0.302.0

Microsoft Security Essentials
Threat.Undefined
1.213.6922.0

Reason Heuristics
PUP.Adlogica.QuickDownloader.Bundler (M)
16.2.23.17

File size:
639.6 KB (654,960 bytes)

File type:
Executable application (Win32 EXE)

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

Common path:
C:\users\{user}\downloads\adobe_reader_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 2:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:QyMJfsG0f8Qe7AHvVhDiA1/NG4mYegrgqBjszwIAkr6s7N4l4r6ds:QyMJfsbTe7crf1oLhghBjsznAkrZ7xss

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:
7.8194

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

Code size:
36 KB (36,864 bytes)

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

Remove adobe_reader_setup.exe - Powered by Reason Core Security