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firefoxupdate.exe

Firefox

Wenchao Zhang

The application firefoxupdate.exe by Wenchao Zhang 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:
Wenchao Zhang  (signed and verified)

Product:
Firefox

Version:
47.0.50.218

MD5:
920dcb70d6d3e804b97b247724525593

SHA-1:
331a003d2b4ff113ad4b8b4312c5ec9dd97850cc

SHA-256:
a18feb0e2fa865bdb6c1f60b82cac68a77fb938ebb2e81365d32940979eb126e

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
11/23/2024 12:20:27 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Elex (M)
16.10.14.4

File size:
520.7 KB (533,176 bytes)

Product version:
47.0.50.218

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:
Wenchao Zhang

Authority:
thawte, Inc.

Valid from:
10/13/2016 7:00:00 AM

Valid to:
6/9/2017 6:59:59 AM

Subject:
CN=Wenchao Zhang, 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:
435967CF8A9242810791B82F07AF2DEF

File PE Metadata
Compilation timestamp:
10/13/2016 4:45:42 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
14.0

CTPH (ssdeep):
12288:o0b9yp0DM+fAulO2H3or1Af/kysDNToExkLv:T9sEO2HG2sDNo8o

Entry address:
0x3F85C

Entry point:
E8, 94, 05, 00, 00, E9, 8E, FE, FF, FF, FF, 25, 64, 43, 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, 00, 48, 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, 00, 48, 00, 33, C5, 50, 89, 65, F0, FF, 75, FC, C7, 45...
 
[+]

Code size:
394.5 KB (403,968 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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