home

firefoxupdate.exe

Firefox

Chao Wei

The executable firefoxupdate.exe has been detected as malware by 3 anti-virus 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:
47.0.53.225

MD5:
e1b93e7791dd96afa6dbee7a6a6a2eaf

SHA-1:
ee82a3bb3c40a58483e6182a855f3d380f8c92b0

SHA-256:
43587f2569c2264cc33de1fef77f422b51ff838dafaf1892117f63e70d5023b0

Scanner detections:
3 / 68

Status:
Malware

Analysis date:
1/11/2025 2:43:28 AM UTC  (today)

Scan engine
Detection
Engine version

AVG
Win32/Floxif.A
2013.0.4477

ESET NOD32
Win32/Floxif.H virus
6.3.12010.0

F-Prot
W32/Floxif.B
4.6.5.141

File size:
584.1 KB (598,135 bytes)

Product version:
47.0.53.225

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:
10/19/2016 8:00:00 AM

Valid to:
8/19/2017 7:59:59 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:
3CED0BDE89F0F6D9E1DD710ACB0F0794

File PE Metadata
Compilation timestamp:
10/20/2016 11:44:04 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
14.0

CTPH (ssdeep):
12288:P867/c2u0UBRiKJRaO4CuAkKwweoBjvrEH7Ut:UMmEO/uAkxLarEH7Ut

Entry address:
0x3C79A

Entry point:
E9, 10, 82, FE, FF, E9, 8E, FE, FF, FF, FF, 25, 4C, 13, 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, D0, 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, D0, 47, 00, 33, C5, 50, 89, 65, F0, FF, 75, FC, C7, 45...
 
[+]

Entropy:
6.7044

Packer / compiler:
Xtreme-Protector v1.05

Code size:
382 KB (391,168 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


Remove firefoxupdate.exe - Powered by Reason Core Security
herdProtect is a second line of defense malware removal platform powered by 68 anti-malware engines in the cloud. Since no single anti-malware program is perfect 100% of the time, herdProtect utilizes a 'herd' of multiple engines to guarantee the widest coverage and the earliest possible detection.