firefoxupdate.exe

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)

MD5:
eb97e4e94027432836f722f160b5b318

SHA-1:
77baac8793fdfc382c78f10d3944b41e00468b0d

SHA-256:
dd3f2e2f80f065d1c69bdeb3ec0cb8e7434cbd8dd0c8d4af0337cf3a12661b81

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
1/10/2025 11:54:14 PM UTC  (a few moments ago)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Elex.Chao (M)
17.3.14.17

File size:
178.6 KB (182,903 bytes)

File type:
Executable application (Win32 EXE)

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

Digital Signature
Signed by:

Authority:
thawte, Inc.

Valid from:
1/12/2017 4:00:00 PM

Valid to:
8/18/2017 4:59:59 PM

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:
45A8458D05878B9FE97F9367F3956CDE

File PE Metadata
Compilation timestamp:
3/9/2017 6:21:34 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
14.0

Entry address:
0x537D

Entry point:
E9, 0E, 84, 00, 00, E9, 8E, FE, FF, FF, 55, 8B, EC, 56, FF, 75, 08, 8B, F1, E8, 58, 00, 00, 00, C7, 06, B4, 11, 41, 00, 8B, C6, 5E, 5D, C2, 04, 00, 83, 61, 04, 00, 8B, C1, 83, 61, 08, 00, C7, 41, 04, BC, 11, 41, 00, C7, 01, B4, 11, 41, 00, C3, 55, 8B, EC, 56, FF, 75, 08, 8B, F1, E8, 25, 00, 00, 00, C7, 06, D0, 11, 41, 00, 8B, C6, 5E, 5D, C2, 04, 00, 83, 61, 04, 00, 8B, C1, 83, 61, 08, 00, C7, 41, 04, D8, 11, 41, 00, C7, 01, D0, 11, 41, 00, C3, 55, 8B, EC, 56, 8B, F1, 8D, 46, 04, C7, 06, 94, 11, 41, 00, 83...
 
[+]

Entropy:
7.2794

Packer / compiler:
Xtreme-Protector v1.05

Code size:
62.5 KB (64,000 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