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pdfreadersetup.exe

ADLSoft

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application pdfreadersetup.exe by ADLSoft has been detected as adware by 9 anti-malware scanners. The program is a setup application that uses the installCore 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 www.bestpdf-reader.com.
Publisher:
ADLSoft  (signed and verified)

MD5:
b4f6614ea6fab19cc067909a860ba599

SHA-1:
5749e6b616dae609019f28b33fd4610379c340ec

SHA-256:
7fda442a0310d449ecf335059967de99a4be7f75a8602313f56b9349b6dce722

Scanner detections:
9 / 68

Status:
Adware

Explanation:
Uses the InstallCore download and install manager which may bundle various potentially unwanted software offers during setup.

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:
5/2/2024 5:49:51 PM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
ADWARE/InstallCore.Gen9
7.11.158.190

AVG
InstallC
2015.0.3421

Dr.Web
Trojan.Packed.24524
9.0.1.05190

ESET NOD32
Win32/InstallCore.OG potentially unwanted application
7.0.302.0

Malwarebytes
PUP.Optional.InstallCore
v2014.07.07.08

McAfee
CryptInno
5600.7077

Reason Heuristics
PUP.Installer.ADLSoft.O
14.8.8.3

Sophos
Install Core Click run software
4.98

VIPRE Antivirus
Threat.4788237
29708

File size:
784.4 KB (803,208 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

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

Digital Signature
Signed by:
ADLSoft

Authority:
Thawte, Inc.

Valid from:
6/21/2012 3:00:00 AM

Valid to:
7/26/2014 2:59:59 AM

Subject:
CN=ADLSoft, O=ADLSoft, L=Tel Aviv, S=Israel, C=IL

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
1C7950C7BFF384C5ABB93DD694E588E8

File PE Metadata
Compilation timestamp:
6/20/1992 1:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:N0vy9bKzl4CmOpjanpTgkAO0azTpcba9IflcqdWHs3n:NAvzl4CmKO0an2baiflcUms

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, 53, C9, FF, FF, E8, 9A, 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...
 
[+]

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

Code size:
37 KB (37,888 bytes)

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

http://www.bestpdf-reader.com/pdf-reader/gb/.../?dl=1

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