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exthelper.exe

Extension Helper

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 exthelper.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. It is also typically executed from the user's temporary directory.
Publisher:
Spigot, Inc.  (signed and verified)

Product:
Extension Helper

Description:
Setup

Version:
2, 1, 0, 2

MD5:
ecc4724a6ba716135e9d40d278e607e3

SHA-1:
816b18481e0130fff33ae9a63492220368536c84

SHA-256:
78e0a0dfa7c178c1c64bb7fccfc572580537b19a93f7900672798f53130efbc1

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:
5/17/2024 10:20:27 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Spigot (M)
16.8.11.0

File size:
461 KB (472,032 bytes)

Product version:
2, 1, 0, 2

Copyright:
Copyright 2014

Original file name:
exthelper.exe

File type:
Executable application (Win32 EXE)

Installer:
Spigot Setup

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\exthelper.exe

Digital Signature
Signed by:
Spigot, Inc.

Authority:
VeriSign, Inc.

Valid from:
9/18/2014 2:00:00 AM

Valid to:
9/19/2015 1:59:59 AM

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

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
4C3D599E302C4F7882544749DD59A53E

File PE Metadata
Compilation timestamp:
1/8/2015 5:12:15 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
6144:9+rjsQ4dQvtOQUmIiT5ClScBtO+RC/BARlitLEeyQt8m9lFpur190:MrjztOeRT4Sc3FeBqlitzygx9l2W

Entry address:
0x405E3

Entry point:
E8, 83, 99, 00, 00, E9, 79, FE, FF, FF, B8, B9, AA, 44, 00, A3, 30, CF, 46, 00, C7, 05, 34, CF, 46, 00, A0, A1, 44, 00, C7, 05, 38, CF, 46, 00, 54, A1, 44, 00, C7, 05, 3C, CF, 46, 00, 8D, A1, 44, 00, C7, 05, 40, CF, 46, 00, F6, A0, 44, 00, A3, 44, CF, 46, 00, C7, 05, 48, CF, 46, 00, 31, AA, 44, 00, C7, 05, 4C, CF, 46, 00, 12, A1, 44, 00, C7, 05, 50, CF, 46, 00, 74, A0, 44, 00, C7, 05, 54, CF, 46, 00, 01, A0, 44, 00, C3, 8B, FF, 55, 8B, EC, E8, 96, FF, FF, FF, E8, 0A, A5, 00, 00, 83, 7D, 08, 00, A3, 74, DF...
 
[+]

Code size:
354 KB (362,496 bytes)

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