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maintainer.exe

secretsauce

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application maintainer.exe by secretsauce 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 “MaintainerSvc1.36.8696167”.
Publisher:
secretsauce  (signed and verified)

Version:
1.0.5695.26826

MD5:
ad16adae2aaeaa6fcf358c48267b484c

SHA-1:
7e7f63bd777cb1fb8a68b30ed516112b17cb7246

SHA-256:
328de635e0b16c2975e6a98456d43a33faac033935a836aa9899db400bd269ba

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:
12/23/2024 10:05:18 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.13.20

File size:
125.2 KB (128,240 bytes)

Product version:
1.0.5695.26826

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\ProgramData\7ed2981b-e8b2-4b44-8eca-c85b04d13119\maintainer.exe

Digital Signature
Signed by:
secretsauce

Authority:
VeriSign, Inc.

Valid from:
9/29/2014 8:00:00 PM

Valid to:
10/30/2015 8:59:59 PM

Subject:
CN=secretsauce, O=secretsauce, 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:
58483913E0DBCAAB64CC87477F31A66E

File PE Metadata
Compilation timestamp:
8/5/2015 5:54:32 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

Entry address:
0x9872

Entry point:
E8, 75, 62, 00, 00, E9, 7F, FE, FF, FF, 55, 8B, EC, 81, EC, 28, 03, 00, 00, A1, 68, C2, 41, 00, 33, C5, 89, 45, FC, 83, 7D, 08, FF, 57, 74, 09, FF, 75, 08, E8, 59, 50, 00, 00, 59, 83, A5, E0, FC, FF, FF, 00, 6A, 4C, 8D, 85, E4, FC, FF, FF, 6A, 00, 50, E8, 7A, F3, FF, FF, 8D, 85, E0, FC, FF, FF, 89, 85, D8, FC, FF, FF, 8D, 85, 30, FD, FF, FF, 83, C4, 0C, 89, 85, DC, FC, FF, FF, 89, 85, E0, FD, FF, FF, 89, 8D, DC, FD, FF, FF, 89, 95, D8, FD, FF, FF, 89, 9D, D4, FD, FF, FF, 89, B5, D0, FD, FF, FF, 89, BD, CC...
 
[+]

Code size:
72.5 KB (74,240 bytes)

Service
Display name:
MaintainerSvc1.36.8696167

Type:
Win32OwnProcess

Depends on:
RPCSS


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