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 9 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-file.windownload.net.
Publisher:
Quick Downloader  (signed and verified)

MD5:
5d0e3041592f6271d60edd2422af3b73

SHA-1:
4d285cd9e0d378751b6d25e43a989b1b2b5f4287

SHA-256:
60c90a6921a6ba4fe305a78b2d2afc2e9ea46c3ded0561e39a75a87a97099cf8

Scanner detections:
9 / 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:
12/26/2024 2:38:20 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
7.11.189.122

Comodo Security
Application.Win32.Installcore.PL
20223

Dr.Web
Adware.InstallCore.406
9.0.1.05190

ESET NOD32
Win32/InstallCore.PK potentially unwanted application
7.0.302.0

K7 AntiVirus
Trojan
13.186.14174

NANO AntiVirus
Riskware.Text.Drop.deoyhc
0.28.6.63726

Reason Heuristics
PUP.Installer.QuickDownloader.S
14.11.28.18

Sophos
Install Core
4.98

VIPRE Antivirus
Threat.5063361
35224

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
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):
24576:0MFOCfjDmeiQVYmWWH6XD0Vjs1RJfVgBUlIbO8PX:0mtfXme5tWqMD0VaXf6bbOa

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.

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