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pdfreadersetup.exe

Spigot, Inc.

This component is part of the Spigot browser add-on, a web browser addition that is designed to modify the core search provider in order to redirect search queries through partner portals. The application pdfreadersetup.exe by Spigot 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 Spigot Setup installer.
Publisher:
Spigot, Inc.  (signed and verified)

MD5:
7c573ee7a3bb140086b8c581841afb47

SHA-1:
d872aaa8bfd995407b62d3593b46fca153fd9fcc

SHA-256:
f5d09f1712cb83bf21b032354e5673b1f6a70a0371bcd73a7f0618169642f317

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.

Analysis date:
6/29/2025 5:38:06 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Spigot (M)
17.3.3.7

File size:
225.7 KB (231,072 bytes)

File type:
Executable application (Win32 EXE)

Installer:
Spigot Setup

Language:
Language Neutral

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

Digital Signature
Signed by:
Spigot, Inc.

Authority:
Starfield Technologies, Inc.

Valid from:
11/25/2014 2:12:04 PM

Valid to:
11/15/2015 4:47:06 AM

Subject:
CN="Spigot, Inc.", O="Spigot, Inc.", L=Incline Village, S=Nevada, C=US

Issuer:
CN=Starfield Secure Certificate Authority - G2, OU=http://certs.starfieldtech.com/repository/, O="Starfield Technologies, Inc.", L=Scottsdale, S=Arizona, C=US

Serial number:
69F457F75D81

File PE Metadata
Compilation timestamp:
12/6/2009 3:50:46 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

Entry address:
0x323C

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 30, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 58, 3F, 42, 00, E8, 09, 2C, 00, 00, A3, A4, 3E, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 58, F4, 41, 00, FF, 15, 58, 71, 40, 00, 68, B8, 91, 40, 00, 68, A0, 36, 42, 00, E8, BC, 28, 00, 00, FF, 15, B0, 70, 40, 00, BF, 00, 90, 42, 00, 50, 57, E8, AA, 28, 00, 00...
 
[+]

Entropy:
7.0441

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

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