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bestvideodownloader.exe

KBM2 Installer

sterkly LLC

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application bestvideodownloader.exe by sterkly has been detected as adware by 12 anti-malware scanners. This is a setup and installation application and has been known to bundle potentially unwanted software. During install, it bundles potentially unwanted software on a user's computer at the same time without adequate consent.
Publisher:
sterkly LLC  (signed and verified)

Product:
KBM2 Installer

Version:
2.5.1.0

MD5:
2ff3418408184bc1ac1a5df19a12ca71

SHA-1:
a326bc2ccfd67a73262c091a9e4513dfa1e5004d

SHA-256:
28346e1fa3ac508795b1fae8e8fede5b4ac7b46d0ed28519f4f3323c70a82684

Scanner detections:
12 / 68

Status:
Adware

Explanation:
May bundle additional potentially unwanted software such as adware during setup.

Analysis date:
4/18/2024 12:18:33 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Riskware.Agent
7.1.1

AVG
AdInject.Bdmngr
2016.0.3210

Dr.Web
Adware.Plugin.85
9.0.1.033

Emsisoft Anti-Malware
Trojan.Win32.KBM.AMN
8.15.02.02.01

ESET NOD32
Win32/KBM (variant)
9.8604

Fortinet FortiGate
Riskware/MultiPlug
2/2/2015

F-Prot
W32/Adware.AKRY
v6.4.7.1.166

Malwarebytes
PUP.Optional.BundleInstaller.A
v2015.02.02.01

McAfee
Artemis!2FF341840818
5600.6866

Reason Heuristics
PUP.Installer.Yontoo
15.2.2.13

Trend Micro House Call
TROJ_GEN.F47V0715
7.2.33

VIPRE Antivirus
sterkly LLC
19828

File size:
544.1 KB (557,176 bytes)

Product version:
2.5.1.0

Copyright:
(c) Sterkly LLC. All rights reserved.

Original file name:
KBM2.exe

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\users\{user}\downloads\programi\bestvideodownloader.exe

Digital Signature
Signed by:
sterkly LLC

Authority:
VeriSign, Inc.

Valid from:
1/22/2013 1:00:00 AM

Valid to:
2/22/2015 12:59:59 AM

Subject:
CN=sterkly LLC, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=sterkly LLC, L=Carlsbad, 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:
113C6B2C72DEF110BE64B2ABBC52861E

File PE Metadata
Compilation timestamp:
6/27/2013 9:57:18 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:ogq6uX5c0RzWguzZylIAllGVytvHdKme7IZLpYiQ5a:oR610ZluglqytYmesZLhQU

Entry address:
0x3A3C0

Entry point:
E8, 0E, 6F, 00, 00, E9, 89, FE, FF, FF, 3B, 0D, D0, 0B, 47, 00, 75, 02, F3, C3, E9, 95, 6F, 00, 00, 8B, FF, 55, 8B, EC, 56, 8B, 75, 14, 85, F6, 75, 04, 33, C0, EB, 61, 83, 7D, 08, 00, 75, 13, E8, D9, 35, 00, 00, 6A, 16, 5E, 89, 30, E8, 6C, 75, 00, 00, 8B, C6, EB, 48, 83, 7D, 10, 00, 74, 16, 39, 75, 0C, 72, 11, 56, FF, 75, 10, FF, 75, 08, E8, 66, 70, 00, 00, 83, C4, 0C, EB, C7, FF, 75, 0C, 6A, 00, FF, 75, 08, E8, B4, 31, 00, 00, 83, C4, 0C, 83, 7D, 10, 00, 74, BB, 39, 75, 0C, 73, 0E, E8, 8F, 35, 00, 00, 6A...
 
[+]

Code size:
342.5 KB (350,720 bytes)

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