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oneclickroot.exe

KBM2 Installer

Best Download Manager

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application oneclickroot.exe by Best Download Manager has been detected as adware by 10 anti-malware scanners. This is a self-extracting archive and installer 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. The file has been seen being downloaded from api.kbm2.com.
Publisher:
Best Download Manager   (signed by Best Download Manager)

Product:
KBM2 Installer

Version:
2.5.1.0

MD5:
113d1252986ba1d1b20e1fd0b2d56663

SHA-1:
e3e09bff96ed16e70fa99e88d03ec0b3c298ff3a

SHA-256:
c8ce2912100fc3e2e2c26ecd5e73700ac94138627f236fd398b75ca974449f31

Scanner detections:
10 / 68

Status:
Adware

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

Analysis date:
11/9/2024 12:36:17 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Riskware.Agent
7.1.1

AVG
AdInject.Bdmngr
2015.0.3493

Dr.Web
Adware.Plugin.85
9.0.1.0116

ESET NOD32
Win32/KBM (variant)
8.9709

Fortinet FortiGate
Riskware/KBM
4/26/2014

Malwarebytes
PUP.Optional.BundleInstaller.A
v2014.04.26.10

McAfee
Artemis!113D1252986B
5600.7149

Reason Heuristics
PUP.Installer.BestDownloadManager.M
14.8.8.0

Trend Micro House Call
TROJ_GEN.F47V0408
7.2.116

VIPRE Antivirus
sterkly LLC
28526

File size:
523.6 KB (536,200 bytes)

Product version:
2.5.1.0

Copyright:
(c) Best Download Manager . All rights reserved.

Original file name:
KBM2.exe

File type:
Executable application (Win32 EXE)

Language:
English (United States)

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

Digital Signature
Signed by:
Best Download Manager

Authority:
VeriSign, Inc.

Valid from:
7/25/2013 2:00:00 AM

Valid to:
7/26/2015 1:59:59 AM

Subject:
CN=Best Download Manager, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Best Download Manager, 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:
5F3BBF9CAABCE7C81AB69ABF7371A064

File PE Metadata
Compilation timestamp:
8/7/2013 9:25:15 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:mgq6uX5c0RzWguzZylIAllGVytvHdKme7IZopYDQy/:mR610ZluglqytYmesZokQq

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)

The file oneclickroot.exe has been seen being distributed by the following URL.

http://api.kbm2.com/downloadLauncher.ashx?cid=1333

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