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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:
158fc663042b51cf9d7d7dc4e98a45c8

SHA-1:
f827d67c70ad57f408a682b2fd864e8d5393c756

SHA-256:
e9954cba8845e00ac402389caf27de61e1840e3fe672a76bfba35bb6578125fa

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
1/10/2025 11:42:27 PM UTC  (a few moments ago)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Elex.Chao (M)
17.3.16.11

File size:
102.2 KB (104,624 bytes)

File type:
Executable application (Win32 EXE)

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

Digital Signature
Signed by:
Chao Wei

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:
E8, 79, 04, 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:
6.4885

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


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