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maintainer.exe

PlurPush

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application maintainer.exe by PlurPush 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 “MaintainerSvc2.06.5184449”.
Publisher:
PlurPush  (signed and verified)

Version:
1.0.5447.26101

MD5:
818793b51ab87486acc6389a955bbb5c

SHA-1:
c2823da98fa0aab49529895f9d46ed140a57fa61

SHA-256:
b589bf95381f3654df52c9eedbc26ff36f8991d21fb0bbb453a2cef2a289e6f7

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:
11/27/2024 1:52:14 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.14.2

File size:
120.8 KB (123,672 bytes)

Product version:
1.0.5447.26101

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\ProgramData\6d1fcd23-5f77-47da-bfd7-aaf379a7667e\maintainer.exe

Digital Signature
Signed by:
PlurPush

Authority:
VeriSign, Inc.

Valid from:
9/18/2013 8:00:00 PM

Valid to:
9/19/2015 7:59:59 PM

Subject:
CN=PlurPush, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=PlurPush, 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:
30ACE095C6EE9F3C39428EB86ECAFADF

File PE Metadata
Compilation timestamp:
11/30/2014 5:30:10 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

Entry address:
0x8A72

Entry point:
E8, 95, 57, 00, 00, E9, 7F, FE, FF, FF, 55, 8B, EC, 81, EC, 28, 03, 00, 00, A1, 68, B2, 41, 00, 33, C5, 89, 45, FC, 83, 7D, 08, FF, 57, 74, 09, FF, 75, 08, E8, 79, 45, 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:
6.1797

Code size:
68.5 KB (70,144 bytes)

Service
Display name:
MaintainerSvc2.06.5184449

Type:
Win32OwnProcess

Depends on:
RPCSS


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