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pdf reader.exe

Download and Install Ltd

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application pdf reader.exe by Download and Install has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the installCore installer. The file has been seen being downloaded from download.download-free.com and multiple other hosts.
Publisher:
Download and Install Ltd  (signed and verified)

MD5:
2af2986805331645a07e325d75a5a384

SHA-1:
060c092ed6a3b06424201df61086a2094b33bde5

SHA-256:
bf6c22330c1ae8930cf29c8b8cddc26a58503ae31961a41b15d585ae79db3b5a

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Description:
This 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
5/12/2025 8:18:42 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.Download (M)
16.5.12.23

File size:
627.5 KB (642,592 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{random}\pdf reader.exe

Digital Signature
Signed by:
Download and Install Ltd

Authority:
GoDaddy.com, Inc.

Valid from:
9/22/2012 9:33:56 AM

Valid to:
9/14/2014 6:31:22 PM

Subject:
CN=Download and Install Ltd, O=Download and Install Ltd, L=London, S=London, C=GB

Issuer:
SERIALNUMBER=07969287, CN=Go Daddy Secure Certification Authority, OU=http://certificates.godaddy.com/repository, O="GoDaddy.com, Inc.", L=Scottsdale, S=Arizona, C=US

Serial number:
082658FA2A383E

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):
12288:O2XyMJfsGn9NGHy8nydSNzidTjBYj0m2nMqzXGe9zRsHN2j2vJ9H6fT:OayMJfsCNiydSSE2Hzr9zy1R9cT

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:
7.7539

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

Code size:
36 KB (36,864 bytes)

The file pdf reader.exe has been seen being distributed by the following 2 URLs.

http://download.download-free.com/installer/.../download?s=sn

http://start.download-free.com/.../PDF Reader.exe

Remove pdf reader.exe - Powered by Reason Core Security
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