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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:
47.0.50.219

MD5:
5da818e531ba4e6b5459b21be87c0f7e

SHA-1:
feeb28e40543600be62d1c9394c6e4b9de92c202

SHA-256:
d713ec9557b5620ceb72b848d7364f08a2e8ff3c23a40ce795c14560896e402c

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
11/7/2024 9:04:29 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:
47.0.50.219

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 4:52:08 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
14.0

CTPH (ssdeep):
12288:G0b9yp0DM+fAulO2H3or1Af/kysDNToE4xLR:l9sEO2HG2sDNolj

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...
 
[+]

Entropy:
6.3710

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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