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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 1 anti-malware scanner with very strong indications that the file is a potential threat. 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:
50.0.7.331

MD5:
85834e8ab5ab2601655f7eb7b27a18b3

SHA-1:
f50115fb742d65ca97af68990dbd4c3f3ea81807

SHA-256:
f4e21b3c6a160878438a50e157ee13e0699e965c6c05079e0fa7015904f458d0

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
1/11/2025 2:57:38 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Elex.Chao (M)
17.1.7.2

File size:
196.1 KB (200,851 bytes)

Product version:
50.0.7.331

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:
12/2/2016 7:00:00 AM

Valid to:
8/19/2017 6:59:59 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:
426B9B1A32F1FA79A1D4E4E61168E69A

File PE Metadata
Compilation timestamp:
12/8/2016 3:06:49 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
14.0

Entry address:
0x60B1

Entry point:
60, E8, 00, 00, 00, 00, 5B, 81, EB, D0, 48, EB, 00, 83, EC, 74, 8B, EC, 8B, 83, AB, 4B, EB, 00, 89, 45, 00, 8B, 83, B3, 4B, EB, 00, 03, 45, 00, 89, 45, 2C, 8B, 83, B7, 4B, EB, 00, 03, 45, 00, 89, 45, 30, C7, 45, 14, 00, 00, 00, 00, C7, 45, 18, 00, 00, 00, 00, C7, 45, 1C, 00, 00, 00, 00, 8B, 45, 14, FF, 45, 14, 66, 33, C9, 8A, 8C, 03, FF, 4B, EB, 00, 84, C9, 74, 7A, 8B, 45, 1C, 66, 01, 4D, 1C, 03, C3, 05, 13, 4C, EB, 00, 50, 8B, 45, 2C, FF, 10, 85, C0, 0F, 84, 5E, 02, 00, 00, 89, 45, 10, 8B, 45, 1C, 03, C3...
 
[+]

Packer / compiler:
ASPack v1.08.04

Code size:
67 KB (68,608 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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