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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 12 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 download.download-update.org.
Publisher:
Quick Downloader  (signed and verified)

MD5:
5f4fc22e7e14333b255720468bef98b9

SHA-1:
b1604f067c87f48983dcfc44f823ab26b7cd21ee

SHA-256:
a7c7a73758d7f29f8f34ccccbdd648f190a0e6cc610c7fad1cbb66d27e5fd8d1

Scanner detections:
12 / 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:
4/23/2024 6:57:26 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
Adware/InstallCore.A.417
7.11.164.214

Comodo Security
Application.Win32.Installcore.PL
19494

Dr.Web
Adware.InstallCore.406
9.0.1.0255

ESET NOD32
Win32/InstallCore.PK potentially unwanted application
8.7.0.302.0

F-Prot
W32/InstallCore.AC.gen
v6.4.7.1.166

herdProtect (fuzzy)
variant of firefox_setup.exe (Adware)
2014.11.7.18

K7 AntiVirus
Unwanted-Program
13.180.12586

NANO AntiVirus
Riskware.Text.Drop.deoyhc
0.28.2.61942

Reason Heuristics
PUP.Installer.QuickDownloader.S
14.9.12.14

Sophos
Install Core
4.98

SUPERAntiSpyware
PUP.InstallCore/Variant
10252

VIPRE Antivirus
Threat.4786018
29708

File size:
818.6 KB (838,296 bytes)

File type:
Executable application (Win32 EXE)

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

Language:
Language Neutral

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

Digital Signature
Signed by:
Quick Downloader

Authority:
COMODO CA Limited

Valid from:
8/7/2013 8:00:00 PM

Valid to:
8/8/2014 7:59:59 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 6:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:eMFOCfjDmeiQVYmWWH6XD0Vjs1RJfVgBUlIbO8PX:emtfXme5tWqMD0VaXf6bbOa

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, BF, A9, FF, FF, E8, 5E, 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:
7.8956

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

Code size:
37 KB (37,888 bytes)

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

http://download.download-update.org/download/25/.../

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