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Bonzuna.exe

The application Bonzuna.exe has been detected as a potentially unwanted program by 10 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer, however the file is not signed with an authenticode signature from a trusted source. The file has been seen being downloaded from bonzuna.com and multiple other hosts.
MD5:
89376d464954b1205c0025ded49a47a1

SHA-1:
6ad6c87d27bd74f4b2af852e88125f9b2c52301e

SHA-256:
2265be6acf0d1ca0f4de6797559055b5e7cfaee042a60fd2f59f1139edce9853

Scanner detections:
10 / 68

Status:
Potentially unwanted

Explanation:
Packages the OpenCandy software bundler that offers to install additional software and may include web browser add-ons and toolbars which display advertising (based on publisher settings and geo context).

Analysis date:
4/19/2024 8:53:17 PM UTC  (today)

Scan engine
Detection
Engine version

Baidu Antivirus
Trojan.Win32.Agent
4.0.3.131126

Dr.Web
Adware.Conduit.2
9.0.1.0241

Emsisoft Anti-Malware
Gen:Trojan.Heur.Jq0@uyt6l!o
8.13.12.29.04

ESET NOD32
Win32/OpenCandy
7.9190

G Data
Win32.Application.ConduitBrothersoftTB
13.12.22

Malwarebytes
PUP.Optional.Conduit.A
v2013.08.29.02

McAfee
Artemis!89376D464954
5600.7181

Rising Antivirus
PE:PUF.OpenCandy!1.9DE5
23.00.65.131227

Trend Micro House Call
TROJ_GEN.R0CBH01H913
7.2.241

VIPRE Antivirus
Conduit
24674

File size:
1.1 MB (1,141,427 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
Language Neutral

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

File PE Metadata
Compilation timestamp:
2/24/2012 11:19:59 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:qbMAiIb2kWI+SUEkkIlTzx+c1L4QFU0a71L8v18X0Vi:nAUbrSUku/pS0a7xBX0Vi

Entry address:
0x39E3

Entry point:
81, EC, D4, 02, 00, 00, 53, 55, 56, 57, 6A, 20, 33, ED, 5E, 89, 6C, 24, 18, C7, 44, 24, 10, D8, 91, 40, 00, 89, 6C, 24, 14, FF, 15, 30, 80, 40, 00, 68, 01, 80, 00, 00, FF, 15, B8, 80, 40, 00, 55, FF, 15, C0, 82, 40, 00, 6A, 08, A3, B8, 2E, 47, 00, E8, 37, 2A, 00, 00, 55, 68, B4, 02, 00, 00, A3, D0, 2D, 47, 00, 8D, 44, 24, 38, 50, 55, 68, 1C, 93, 40, 00, FF, 15, 84, 81, 40, 00, 68, 04, 93, 40, 00, 68, C0, AD, 46, 00, E8, 19, 27, 00, 00, FF, 15, B4, 80, 40, 00, 50, BF, A0, 30, 4C, 00, 57, E8, 07, 27, 00, 00...
 
[+]

Entropy:
7.9763

Packer / compiler:
Nullsoft install system v2.x

Code size:
28 KB (28,672 bytes)

The file Bonzuna.exe has been seen being distributed by the following 3 URLs.

http://bonzuna.com/.../

http://8cfc2bba43584ed5a80a007296d7b2a8.integration.download.conduit-services.com/Default.ashx?EnvironmentID=1

http://dde.integration.storage.conduit-services.com/44/792/ct7928844/8cfc2bba43584ed5a80a007296d7b2a8/Downloads/Prod/DDE1.3.8.0.130624.01/.../Bonzuna.exe

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