updater.exe

Web United

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application updater.exe by Web United has been detected as adware 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 Mgr WebUnited”.
Publisher:
Web United  (signed and verified)

Version:
1.0.5719.10287

MD5:
b9868c68e6e367d4daaaf7cbaf536233

SHA-1:
cba3aa260bae551a11c6c18bc405c30c649df3aa

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Belongs to the Sambreel/Yontoo progam that inserts various forms of advertising in the user's web browser, installed with minimal or no user consent.

Analysis date:
8/3/2020 7:49:08 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.10.18

File size:
688.8 KB (705,288 bytes)

Product version:
1.0.5719.10287

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\Program Files\common files\dbf593b3-8a1d-418e-aa4d-3a3ecb7e1709\updater.exe

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
12/12/2014 1:00:00 AM

Valid to:
12/13/2015 12:59:59 AM

Subject:
CN=Web United, O=Web United, L=San Diego, S=California, C=US

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
067F6E1F1D47FD4673122535E58BAC13

File PE Metadata
Compilation timestamp:
8/29/2015 1:43:03 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

Entry address:
0x31C9B

Entry point:
E8, 3B, EB, 00, 00, E9, 7F, FE, FF, FF, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, 8B, 54, 24, 0C, 8B, 4C, 24, 04, 85, D2, 74, 7F, 0F, B6, 44, 24, 08, 0F, BA, 25, C0, 60, 4A, 00, 01, 73, 0D, 8B, 4C, 24, 0C, 57, 8B, 7C, 24, 08, F3, AA, EB, 5D, 8B, 54, 24, 0C, 81, FA, 80, 00, 00, 00, 7C, 0E, 0F, BA, 25, 94, 38, 4A, 00, 01, 0F, 82, 6F, EC, 00, 00, 57, 8B, F9, 83, FA, 04, 72, 31, F7, D9, 83, E1, 03, 74, 0C, 2B, D1, 88, 07, 83, C7, 01, 83, E9, 01, 75, F6, 8B, C8, C1, E0, 08, 03, C1, 8B, C8, C1, E0, 10, 03, C1...
 
[+]

Entropy:
6.4094

Code size:
402.5 KB (412,160 bytes)

Service
Display name:
Update Mgr WebUnited

Type:
Win32OwnProcess

Depends on:
RPCSS


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