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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:
47.0.51.220

MD5:
ac297d2b882ed447db20397c0a9481f5

SHA-1:
1e316a07eca3943f73bf2195e923aa4556bff7eb

Scanner detections:
2 / 68

Status:
Potentially unwanted

Analysis date:
1/11/2025 2:37:41 AM UTC  (today)

Scan engine
Detection
Engine version

ESET NOD32
Win32/Obfuscated.NIS trojan
6.3.12010.0

Reason Heuristics
Adware.Elex.Chao (M)
16.11.2.23

File size:
518.2 KB (530,608 bytes)

Product version:
47.0.51.220

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:
10/12/2016 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:
1200A32740619CA13B6BFBD91984402C

File PE Metadata
Compilation timestamp:
10/17/2016 2:59:34 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
14.0

CTPH (ssdeep):
12288:df4NusWIVqFGOhgxsf43X/sDeq+pdFOtTSB:KN7EgcDl+pTO8

Entry address:
0x3F026

Entry point:
E8, BA, 05, 00, 00, E9, 8E, FE, FF, FF, FF, 25, 64, 33, 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, F0, 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, F0, 47, 00, 33, C5, 50, 89, 65, F0, FF, 75, FC, C7, 45...
 
[+]

Entropy:
6.3768

Code size:
392 KB (401,408 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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