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maintainer.exe

TowerTilt

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

Version:
1.0.5544.31637

MD5:
6c26a899df8f45a76257455c42787a5e

SHA-1:
767236fa9c86e0c1452421e9888cd00fe0cf1728

SHA-256:
2e3377e0fb3600163ba5314faddbb4b67344e0a36a8a46da69f8a253d9e68f27

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:
11/23/2024 10:10:11 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.15.14

File size:
120.7 KB (123,632 bytes)

Product version:
1.0.5544.31637

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\ProgramData\34dc5208-3f7e-436e-907b-3dc21b172840\maintainer.exe

Digital Signature
Signed by:
TowerTilt

Authority:
VeriSign, Inc.

Valid from:
2/4/2015 3:30:00 AM

Valid to:
3/6/2016 3:29:59 AM

Subject:
CN=TowerTilt, O=TowerTilt, 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:
151BCA3254BAE006FC1D46147BBE6BA4

File PE Metadata
Compilation timestamp:
3/8/2015 5:04:42 AM

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:
6.1803

Code size:
68.5 KB (70,144 bytes)

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