updater.exe

Strong Signal

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application updater.exe by Strong Signal 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 StrongSignal”.
Publisher:
Strong Signal  (signed and verified)

Version:
1.0.5591.4756

MD5:
b6b131a5fd69986776598ddac9a4db34

SHA-1:
47a0b1a745a4113978e52f95531c6ecd52f9b92d

SHA-256:
ccdee71c1ba307eb831a8e46b742aaed5fa48a0444788bd731e229ddb0c0e5b8

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:
7/11/2020 6:43:00 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.16.5

File size:
466.3 KB (477,456 bytes)

Product version:
1.0.5591.4756

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\Program Files\common files\0780f478-67ce-4ec3-98db-39a65f4618ce\updater.exe

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
12/11/2014 10:00:00 PM

Valid to:
12/12/2015 9:59:59 PM

Subject:
CN=Strong Signal, O=Strong Signal, 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:
5047EE0477D4F273DFC93DB8A749B9E0

File PE Metadata
Compilation timestamp:
4/23/2015 6:38:39 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

Entry address:
0x24192

Entry point:
E8, BE, E7, 00, 00, E9, 7F, FE, FF, FF, 55, 8B, EC, 56, 8B, 75, 08, 83, 3C, F5, 30, D5, 46, 00, 00, 75, 13, 56, E8, 71, 00, 00, 00, 59, 85, C0, 75, 08, 6A, 11, E8, B8, 47, 00, 00, 59, FF, 34, F5, 30, D5, 46, 00, FF, 15, 48, 41, 45, 00, 5E, 5D, C3, 56, 57, BE, 30, D5, 46, 00, 8B, FE, 53, 8B, 1F, 85, DB, 74, 17, 83, 7F, 04, 01, 74, 11, 53, FF, 15, 80, 41, 45, 00, 53, E8, C6, A6, FF, FF, 83, 27, 00, 59, 83, C7, 08, 81, FF, 50, D6, 46, 00, 7C, D8, 5B, 83, 3E, 00, 74, 0E, 83, 7E, 04, 01, 75, 08, FF, 36, FF, 15...
 
[+]

Code size:
329.5 KB (337,408 bytes)

Service
Display name:
Update Mgr StrongSignal

Type:
Win32OwnProcess

Depends on:
RPCSS


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