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updater.exe

Discovery App

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

Version:
1.0.5692.9901

MD5:
ec521e8f1951e823798a858ffbf05cdd

SHA-1:
4612b131367d36004566ed87da187aa0ca67a369

SHA-256:
e2244b40da3b9ac33e6a215487e2f14ebdc5b00e6bdcd5dd3560933765072740

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:
4/18/2024 1:29:03 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.DiscoveryApp (M)
15.8.2.16

File size:
1 MB (1,071,888 bytes)

Product version:
1.0.5692.9901

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\Program Files\common files\ff8de6dd-320f-4157-95aa-b9e38361078a\updater.exe

Digital Signature
Signed by:
Discovery App

Authority:
VeriSign, Inc.

Valid from:
3/24/2015 8:00:00 PM

Valid to:
3/24/2016 7:59:59 PM

Subject:
CN=Discovery App, O=Discovery App, 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:
510E3F5ACE52C22C76DC87DB7D1FCCE8

File PE Metadata
Compilation timestamp:
8/2/2015 8:30:09 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
24576:mMNqJX4nczra0gNvdPeIq4EsTPhFua49XdZLM0De3R:laX4nczlPxi0Z8R

Entry address:
0x5342D

Entry point:
E8, 80, 61, 01, 00, E9, 39, FE, FF, FF, 55, 8B, EC, 56, 8B, 75, 08, 83, 3C, F5, 30, 85, 4F, 00, 00, 75, 13, 56, E8, 91, 00, 00, 00, 59, 85, C0, 75, 08, 6A, 11, E8, DC, 8A, 00, 00, 59, FF, 34, F5, 30, 85, 4F, 00, FF, 15, 54, D1, 4A, 00, 5E, 5D, C3, E8, 62, 5A, 00, 00, 85, C0, 75, 0B, FF, 74, 24, 04, 50, FF, 15, 08, D3, 4A, 00, 68, FF, 00, 00, 00, E8, 8A, 89, 00, 00, 59, C3, 56, 57, BE, 30, 85, 4F, 00, 8B, FE, 53, 8B, 1F, 85, DB, 74, 17, 83, 7F, 04, 01, 74, 11, 53, FF, 15, 8C, D1, 4A, 00, 53, E8, 2F, 7C, FF...
 
[+]

Entropy:
6.5674

Code size:
685.5 KB (701,952 bytes)

Service
Display name:
Update Mgr ItsResultsHub

Type:
Win32OwnProcess

Depends on:
RPCSS


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