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maintainer.exe

BrowseMark

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application maintainer.exe by BrowseMark has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
BrowseMark  (signed and verified)

Version:
1.0.5572.39038

MD5:
f6859c7ad5cbd685643a3fc1464941d9

SHA-1:
d26cc0437071b8dc48ab6da03fe60a471d297abd

SHA-256:
dc65bc1d20f4a3989397b32634b0f6f60f59693cdcb677436bbd8b053afa76ad

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:
4/28/2024 11:19:20 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.14.18

File size:
125.2 KB (128,240 bytes)

Product version:
1.0.5572.39038

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\ProgramData\602bb5c5-64ca-4d9f-8688-8581d865cedf\maintainer.exe

Digital Signature
Signed by:
BrowseMark

Authority:
VeriSign, Inc.

Valid from:
2/4/2015 1:00:00 AM

Valid to:
3/6/2016 12:59:59 AM

Subject:
CN=BrowseMark, O=BrowseMark, L=Santa Monica, 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:
1401B58097E1C00CABB2C6F4A73C0CAF

File PE Metadata
Compilation timestamp:
4/5/2015 6:41:22 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...
 
[+]

Code size:
72.5 KB (74,240 bytes)

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