wdcfree.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 wdcfree.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:
638a3640a884b63cc21408f7d97a9f5a

SHA-1:
771f8dede996caa94b3213e36a9d7ef3ab1049de

SHA-256:
e790f64e21dca515849fd328b19ff71881716e090fb32ea7fbafa1a2a3ca38b0

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:
4/22/2025 8:46:42 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Spigot (M)
17.3.10.18

File size:
225.7 KB (231,072 bytes)

File type:
Executable application (Win32 EXE)

Installer:
Spigot Setup

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

Digital Signature
Signed by:

Authority:
Starfield Technologies, Inc.

Valid from:
11/25/2014 10:12:04 AM

Valid to:
11/15/2015 12:47:06 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:
12/5/2009 11:50:46 PM

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...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

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