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mountainbike.expext.exe

Mountain Bike

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application mountainbike.expext.exe by Mountain Bike has been detected as adware by 28 anti-malware scanners. It will plug into the web browser and display context-based advertisements by overwriting existing ads or by inserting new ones on various web pages.
Publisher:
Mountain Bike  (signed and verified)

Version:
1.0.6242.39491

MD5:
3194fd6610e45a8f78b6bf6e7425d526

SHA-1:
37533aa5fd9629b2aca824982624c683432c4e2d

SHA-256:
0fe9a31532acdfd414f02ab5657be322bc33d7f5f952722a507760f523346ec4

Scanner detections:
28 / 68

Status:
Adware

Explanation:
Injects advertising in the web browser in various formats.

Analysis date:
5/7/2024 9:37:49 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Adware.Graftor.173090
651

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
PUP/Win32.BrowseFox
2015.04.25

Avira AntiVirus
ADWARE/BrowseFox.Gen2
3.6.1.96

AVG
Adware AdPlugin
2016.0.3129

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.15425

Bitdefender
Gen:Variant.Adware.Graftor.173090
1.0.20.575

Bkav FE
W32.HfsAdware
1.3.0.6379

Clam AntiVirus
Win.Adware.Swiftbrowse-1139
0.98/20532

Comodo Security
Application.Win32.BrowseFox.AK
21884

Dr.Web
Trojan.Yontoo.1860
9.0.1.0115

Emsisoft Anti-Malware
Gen:Variant.Adware.Graftor.173090
8.15.04.25.03

ESET NOD32
Win32/BrowseFox.AA potentially unwanted application
9.7.0.302.0

F-Prot
W32/S-782d657c
v6.4.7.1.166

F-Secure
Gen:Variant.Adware.Graftor
11.2015-25-04_7

G Data
Gen:Variant.Adware.Graftor.173090
15.4.25

herdProtect (fuzzy)
variant of primaryresult.expext.exe (Adware)
2015.7.26.5

K7 AntiVirus
Trojan
13.203.15707

McAfee
Program.BrowseFox-FVA
5600.6785

MicroWorld eScan
Gen:Variant.Adware.Graftor.173090
16.0.0.345

NANO AntiVirus
Riskware.Win32.Kranet.dlbvpt
0.30.20.1219

Norman
Gen:Variant.Adware.Graftor.173090
11.20150726

Panda Antivirus
Generic Suspicious
15.04.25.03

Reason Heuristics
Adware.Yontoo.MountainBike
15.4.24.23

Sophos
Generic PUA DH
4.98

Vba32 AntiVirus
AdWare.MSIL.Agent
3.12.26.3

VIPRE Antivirus
Threat.4150696
40552

Zillya! Antivirus
Trojan.Katusha.Win32.37080
2.0.0.2153

File size:
99.2 KB (101,624 bytes)

Product version:
1.0.6242.39491

File type:
Executable application (Win32 EXE)

Language:
English (United States)

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

Digital Signature
Signed by:
Mountain Bike

Authority:
VeriSign, Inc.

Valid from:
1/10/2015 7:00:00 PM

Valid to:
1/11/2016 6:59:59 PM

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:
4/24/2015 4:07:18 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
1536:7v62c1e4PcQKPI+8G2dBKCKn/PWk60HTkonMBtuu/QgSm/:y1xcl4dKn/+k6JL/QgSm/

Entry address:
0x563E

Entry point:
E8, AB, 3C, 00, 00, E9, 89, FE, FF, FF, 8B, FF, 55, 8B, EC, 83, 7D, 08, 00, 74, 2D, FF, 75, 08, 6A, 00, FF, 35, 64, 7F, 41, 00, FF, 15, 4C, 20, 41, 00, 85, C0, 75, 18, 56, E8, 2F, 08, 00, 00, 8B, F0, FF, 15, 68, 20, 41, 00, 50, E8, DF, 07, 00, 00, 59, 89, 06, 5E, 5D, C3, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, 8B, 54, 24, 0C, 8B, 4C, 24, 04, 85, D2, 74, 69, 33, C0, 8A, 44, 24, 08, 84, C0, 75, 16, 81, FA, 80, 00, 00, 00, 72, 0E, 83, 3D, C0, 91, 41, 00, 00, 74, 05, E9, CD, 3C, 00, 00, 57, 8B...
 
[+]

Entropy:
6.4334

Code size:
65.5 KB (67,072 bytes)

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