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firefoxupdate.exe

Firefox

Chao Wei

The application firefoxupdate.exe by Chao Wei has been detected as a potentially unwanted program by 2 anti-malware scanners. It runs as a separate (within the context of its own process) windows Service named “Update Service(FirefoxU)”.
Publisher:
Chao Wei  (signed and verified)

Product:
Firefox

Version:
47.0.53.226

MD5:
e2c8f75431af5c5533f8ec64e79c41d5

SHA-1:
1b0f142936888125210d51e33072015c295def09

SHA-256:
69c12bac9282b5ea73cdcd931cba149bf3ed1ba5f8c03c9a7f5bdabc20d6a122

Scanner detections:
2 / 68

Status:
Potentially unwanted

Analysis date:
1/11/2025 2:53:19 AM UTC  (today)

Scan engine
Detection
Engine version

ESET NOD32
Win32/Obfuscated.NIV trojan
6.3.12010.0

Reason Heuristics
Adware.Elex.Chao (M)
16.11.2.23

File size:
507.7 KB (519,856 bytes)

Product version:
47.0.53.226

Copyright:
Copyright (C) 2016 Firefox Authors

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\Program Files\firefox\bin\firefoxupdate.exe

Digital Signature
Signed by:
Chao Wei

Authority:
thawte, Inc.

Valid from:
10/19/2016 2:00:00 AM

Valid to:
8/19/2017 1:59:59 AM

Subject:
CN=Chao Wei, OU=Individual Developer, O=No Organization Affiliation, L=Beijing, S=Beijing, C=CN

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
3CED0BDE89F0F6D9E1DD710ACB0F0794

File PE Metadata
Compilation timestamp:
10/20/2016 5:59:47 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
14.0

CTPH (ssdeep):
6144:IH8164w7/c2nu3EHfRMcPJeWoLTS1JRQJMT4CuTSce1aKwwAOI8M/3Mp:o867/c2u0JMRXKJRaO4CuAkKwweO

Entry address:
0x3C79A

Entry point:
E8, 66, 05, 00, 00, E9, 8E, FE, FF, FF, FF, 25, 4C, 13, 46, 00, 8B, 4D, F4, 64, 89, 0D, 00, 00, 00, 00, 59, 5F, 5F, 5E, 5B, 8B, E5, 5D, 51, F2, C3, 50, 64, FF, 35, 00, 00, 00, 00, 8D, 44, 24, 0C, 2B, 64, 24, 0C, 53, 56, 57, 89, 28, 8B, E8, A1, 70, D0, 47, 00, 33, C5, 50, FF, 75, FC, C7, 45, FC, FF, FF, FF, FF, 8D, 45, F4, 64, A3, 00, 00, 00, 00, F2, C3, 50, 64, FF, 35, 00, 00, 00, 00, 8D, 44, 24, 0C, 2B, 64, 24, 0C, 53, 56, 57, 89, 28, 8B, E8, A1, 70, D0, 47, 00, 33, C5, 50, 89, 65, F0, FF, 75, FC, C7, 45...
 
[+]

Code size:
382 KB (391,168 bytes)

Service
Display name:
Update Service(FirefoxU)

Service name:
FirefoxU

Description:
Keeps your Firefox software up to date. If this service is disabled or stopped, your Firefox software will not be kept up to date, meaning security vulnerabilities that may arise cannot be fixed and f

Type:
Win32OwnProcess

Depends on:
RpcSs


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