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um.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 um.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 set to automatically start when a user logs into Windows via the current user run registry key under the display name ‘UM’.
Publisher:
Spigot, Inc.  (signed and verified)

MD5:
b796d47508cf945b4e687b63b4715d38

SHA-1:
1c8a222a59bf5416b66c637586990f5148f4c840

SHA-256:
cca5c2bc46f79937635edc78b6a78bffb8fcf2184bf2c84e6b882c5875d9eac3

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:
11/5/2024 2:27:18 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Spigot (M)
16.11.30.8

File size:
1003.2 KB (1,027,232 bytes)

File type:
Executable application (Win32 EXE)

Installer:
Spigot Setup

Common path:
C:\users\{user}\appdata\roaming\update manager\um.exe

Digital Signature
Signed by:
Spigot, Inc.

Authority:
Symantec Corporation

Valid from:
2/9/2015 7:00:00 PM

Valid to:
5/11/2018 7:59:59 PM

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

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
0FE530445BDBABB00E24B3A1FD389919

File PE Metadata
Compilation timestamp:
2/24/2012 2:19:59 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:6sT5d5nFxKm87AkmdkkAuX4YlKZ2X7vvtvUTcbPiy:J3Km87A/kkX4YlKZc7vFMQbP1

Entry address:
0x39E3

Entry point:
81, EC, D4, 02, 00, 00, 53, 55, 56, 57, 6A, 20, 33, ED, 5E, 89, 6C, 24, 18, C7, 44, 24, 10, D8, 91, 40, 00, 89, 6C, 24, 14, FF, 15, 30, 80, 40, 00, 68, 01, 80, 00, 00, FF, 15, B8, 80, 40, 00, 55, FF, 15, C0, 82, 40, 00, 6A, 08, A3, B8, 2E, 47, 00, E8, 37, 2A, 00, 00, 55, 68, B4, 02, 00, 00, A3, D0, 2D, 47, 00, 8D, 44, 24, 38, 50, 55, 68, 1C, 93, 40, 00, FF, 15, 84, 81, 40, 00, 68, 04, 93, 40, 00, 68, C0, AD, 46, 00, E8, 19, 27, 00, 00, FF, 15, B4, 80, 40, 00, 50, BF, A0, 30, 4C, 00, 57, E8, 07, 27, 00, 00...
 
[+]

Entropy:
7.0586

Packer / compiler:
Nullsoft install system v2.x

Code size:
28 KB (28,672 bytes)

Startup File (User Run)
Registry location:
HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run

Name:
UM

Command:
C:\users\{user}\appdata\roaming\update manager\um.exe


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