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wufinstall.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 wufinstall.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:
8175f4248594c5e4e351a4e3396f15f4

SHA-1:
09aef9668911ba19f6dcdcbe12515a583b735aee

SHA-256:
f67ec1bdb413fea868c83515819f62c39b98c4405c10e412f061f4a3e5458200

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:
1/12/2025 8:18:20 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Spigot (M)
17.3.15.2

File size:
225.3 KB (230,656 bytes)

File type:
Executable application (Win32 EXE)

Installer:
Spigot Setup

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

Digital Signature
Signed by:
Spigot, Inc.

Authority:
DigiCert Inc

Valid from:
11/25/2014 6:00:00 PM

Valid to:
11/30/2015 6:00:00 AM

Subject:
CN="Spigot, Inc.", O="Spigot, Inc.", L=Incline Village, S=Nevada, C=US, PostalCode=89451, STREET="774 Mays Blvd. #10-456", SERIALNUMBER=E0212222011-9, OID.1.3.6.1.4.1.311.60.2.1.2=Nevada, OID.1.3.6.1.4.1.311.60.2.1.3=US, OID.2.5.4.15=Private Organization

Issuer:
CN=DigiCert EV Code Signing CA (SHA2), OU=www.digicert.com, O=DigiCert Inc, C=US

Serial number:
0DFD0BC788D3DE6D00B3E867B809E24A

File PE Metadata
Compilation timestamp:
12/5/2009 4:50:46 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...
 
[+]

Entropy:
7.0406

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

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