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pdfreadersetup.exe

ClickRunSoftware

The file is a bundle distribution and utilizes the installCore download manager to distribute this potentially unwanted software. The application pdfreadersetup.exe by ClickRunSoftware has been detected as adware by 7 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.coolpdfreader.com.
Publisher:
ClickRunSoftware  (signed and verified)

MD5:
e33a67cdb3a6168292d1c431d9c36458

SHA-1:
d2141900dc5af7656a130c34e66c53d91a3cf97b

SHA-256:
4e60b96c8eca43650ddfb276752d927616b58b8c15b376e3bc2541eb25236c0a

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 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 9:18:32 PM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:InstallCore-HG [PUP]
160518-2

Dr.Web
Adware.InstallCore.114, Adware.InstallCore.122
9.0.1.05190

ESET NOD32
Win32/InstallCore.BQ potentially unwanted application
8.0.319.0

F-Prot
W32/InstallCore.R.gen
4.6.5.141

Microsoft Security Essentials
Threat.Undefined
1.223.1545.0

Reason Heuristics
PUP.installCore.ClickRun.Installer (M)
16.6.15.8

File size:
1.2 MB (1,253,824 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:
ClickRunSoftware

Authority:
COMODO CA Limited

Valid from:
4/22/2013 12:00:00 AM

Valid to:
4/22/2014 11:59:59 PM

Subject:
CN=ClickRunSoftware, O=ClickRunSoftware, STREET=Rothschild 63 Blvd, L=Tel-Aviv, S=NA, PostalCode=65785, C=IL

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
4138DDBC130C89C85F78EC0CC69C2A61

File PE Metadata
Compilation timestamp:
6/20/1992 12:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:IJfsdlH6OCdDJxbWbKCSsAWCg8UzJIj4+SYBEIyLmBh1fjbDRCMwK+RRE+v7qVi/:IJfsdEwKscHx9NvkREe2

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...
 
[+]

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

Code size:
36 KB (36,864 bytes)

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

http://www.coolpdfreader.com/default/ga/.../?dl=1

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