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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:
1.0.5664.35484

MD5:
cf7c399ef040a58db3e75fcd5749734e

SHA-1:
06617afa2ea05229d6037c6970824c2c06b3bb28

SHA-256:
aaeb1af77e45a1d0869eaa9800a33aa085b39f971f53dbeac4dcd19d1350e244

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 9:58:19 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.14.12

File size:
125.2 KB (128,240 bytes)

Product version:
1.0.5664.35484

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:
9/30/2014 8:00:00 AM

Valid to:
10/31/2015 7:59:59 AM

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:
7/6/2015 10:42:52 AM

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...
 
[+]

Entropy:
6.2072

Code size:
72.5 KB (74,240 bytes)

Service
Display name:
MaintainerSvc1.36.8696167

Type:
Win32OwnProcess

Depends on:
RPCSS


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