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maintainer.bak

gooternet

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

Version:
1.0.5536.11632

MD5:
f940ab6204bf6979ec79ac4a446525fb

SHA-1:
b940a4883571013283437d510d288725d67da1b2

SHA-256:
8b9c075f889dfd6018275d7355a433369a7aefa3a381abe0449ab12870d84ca5

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:
4/20/2024 2:46:09 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.gooternet (M)
16.2.12.20

File size:
120.8 KB (123,680 bytes)

Product version:
1.0.5536.11632

Language:
English (United States)

Common path:
C:\ProgramData\8e2db1ba-33d2-4b86-8144-634d72cb2863\maintainer.bak

Digital Signature
Signed by:
gooternet

Authority:
VeriSign, Inc.

Valid from:
3/18/2014 9:00:00 PM

Valid to:
3/19/2015 8:59:59 PM

Subject:
CN=gooternet, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=gooternet, 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:
6833AE314355006DDCB1CFFFFA2C185E

File PE Metadata
Compilation timestamp:
2/27/2015 11:27:51 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
1536:I3eRgxyOpGX5sfnC6P2dV59IikYYf9J892bbY+mqnbcQ/Wm1sWjcd8PQI0ypxCO0:4K35/9oxfTk+jvn68PQI0ypxCOi3bZvb

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...
 
[+]

Code size:
68.5 KB (70,144 bytes)

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