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utilmountainbike.exe

Mountain Bike

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application utilmountainbike.exe by Mountain Bike 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 “Util Mountain Bike”.
Publisher:
Mountain Bike  (signed and verified)

Version:
1.0.5551.23586

MD5:
4dd7fb488c7650c54a61f55dba6fc2b5

SHA-1:
9980425f195cebc93a6fdc7c80435002486104a5

SHA-256:
5fdec9fb178e703b5966ee543503ecb3ca1520e59b0d569d817ce6e41ee48a5a

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 9:33:33 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.9.1

File size:
402.7 KB (412,408 bytes)

Product version:
1.0.5551.23586

Original file name:
MountainBike2015031421.exe

File type:
Executable application (Win32 EXE)

Language:
Swedish (Sweden)

Common path:
C:\Program Files\mountain bike\bin\utilmountainbike.exe

Digital Signature
Signed by:
Mountain Bike

Authority:
VeriSign, Inc.

Valid from:
1/11/2015 1:00:00 AM

Valid to:
1/12/2016 12:59:59 AM

Subject:
CN=Mountain Bike, O=Mountain Bike, 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:
25B97080EDAA57F7AD57607CEEA9C13E

File PE Metadata
Compilation timestamp:
3/14/2015 10:06:28 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

Entry address:
0x6479E

Entry point:
FF, 25, 00, 20, 40, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 40, 06, 00, 0C, 00, 00, 00, A0, 37, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Developed / compiled with:
Microsoft Visual C# / Basic .NET

Code size:
394 KB (403,456 bytes)

Service
Display name:
Util Mountain Bike

Type:
Win32OwnProcess


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