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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:
47.0.57.233

MD5:
fafc2a9606bfe18a622da6ce36e66e30

SHA-1:
7f6b9f30f55e9128354a5d5d1d23437554cedf39

SHA-256:
c062bcc13650f91eb7968c1e7078e4affe8e8ab8e32c8213ae38754d441a23d6

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
1/11/2025 1:52:42 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Elex.Chao (M)
17.1.18.16

File size:
188.1 KB (192,631 bytes)

Product version:
47.0.57.233

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:
10/26/2016 5:00:00 AM

Valid to:
8/19/2017 4:59:59 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:
1D31975C6FA7D059391E8CB150FFC16E

File PE Metadata
Compilation timestamp:
10/27/2016 7:55:15 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
14.0

Entry address:
0x7625

Entry point:
E9, CA, A8, 00, 00, E9, 8E, FE, FF, FF, 55, 8B, EC, 56, FF, 75, 08, 8B, F1, E8, 58, 00, 00, 00, C7, 06, B4, 31, 41, 00, 8B, C6, 5E, 5D, C2, 04, 00, 83, 61, 04, 00, 8B, C1, 83, 61, 08, 00, C7, 41, 04, BC, 31, 41, 00, C7, 01, B4, 31, 41, 00, C3, 55, 8B, EC, 56, FF, 75, 08, 8B, F1, E8, 25, 00, 00, 00, C7, 06, D0, 31, 41, 00, 8B, C6, 5E, 5D, C2, 04, 00, 83, 61, 04, 00, 8B, C1, 83, 61, 08, 00, C7, 41, 04, D8, 31, 41, 00, C7, 01, D0, 31, 41, 00, C3, 55, 8B, EC, 56, 8B, F1, 8D, 46, 04, C7, 06, 94, 31, 41, 00, 83...
 
[+]

Entropy:
7.2191

Packer / compiler:
Xtreme-Protector v1.05

Code size:
71 KB (72,704 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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