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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:
50.0.1.313

MD5:
04839009c870b77a8814a200986c42d1

SHA-1:
98fb74c6459ece2a2c55d6c08fa0a6db7e520d14

SHA-256:
7ecf98a97d438cdbc35dce814c56b6f6d3eccc0ae428b3a4754691622570ff79

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
1/11/2025 2:48:26 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Elex.Chao (M)
16.11.22.13

File size:
114.2 KB (116,912 bytes)

Product version:
50.0.1.313

Copyright:
Copyright (C) 2016 Firefox Authors

File type:
Executable application (Win32 EXE)

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

Digital Signature
Signed by:
Chao Wei

Authority:
thawte, Inc.

Valid from:
11/16/2016 6:00:00 AM

Valid to:
8/19/2017 5:59:59 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:
476D13B315A3916791CD1AC3F7E8F714

File PE Metadata
Compilation timestamp:
11/21/2016 11:31:15 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
14.0

CTPH (ssdeep):
1536:yvnNnFzrwCadcZsuMkJT+W3TgJYrQozyD/bzhGBNjL2eyQnwBsWbGcdXgMQhL6xD:ylFzrWcPpgoMLnhGTj9yq8nXgM4+xD

Entry address:
0x805A

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

Code size:
73.5 KB (75,264 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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