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bdupdate.exe

西瓜影视安装程序

The application bdupdate.exe has been detected as a potentially unwanted program by 6 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. It is set to automatically start when a user logs into Windows via the current user run registry key under the display name ‘bdupdate’. The file has been seen being downloaded from down.meiheitou.com and multiple other hosts.
Product:
西瓜影视安装程序

Version:
1.0.0.6

MD5:
362ee85552e29500741f173035df20f9

SHA-1:
857266e596441c3c653047c5cc87beb70d5f0715

SHA-256:
ce831a2a5a21587234331cfa6932a85535c184db2f0aa42c83538c12b3cd7792

Scanner detections:
6 / 68

Status:
Potentially unwanted

Analysis date:
11/23/2024 10:37:31 AM UTC  (today)

Scan engine
Detection
Engine version

AVG
Suining
2016.0.3180

Baidu Antivirus
Trojan.Win32.FlyStudio.BPacked
4.0.3.14714

ESET NOD32
Win32/FlyStudio.Packed.AD (variant)
8.10055

McAfee
Artemis!362EE85552E2
5600.6836

Vba32 AntiVirus
Signed-Adware.Hao123.BaiduBeijingCo
3.12.26.3

VIPRE Antivirus
Trojan.Win32.Generic!SB.0
31046

File size:
19 MB (19,948,135 bytes)

Product version:
1.0.0.6

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\Program Files\tools\bdupdate.exe

File PE Metadata
Compilation timestamp:
2/25/2012 3:19:54 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
393216:9pFMdKktyYfvUp36KvLXJJutf9mqimKczVfXYDwyJ+SPu5SE90:tI1fCqKvL5Qtf9mqPKcKD/PuG

Entry address:
0x3883

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, 68, 92, 40, 00, 89, 6C, 24, 14, FF, 15, 30, 80, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 80, 40, 00, 55, FF, 15, C0, 82, 40, 00, 6A, 08, A3, B8, 2E, 47, 00, E8, 36, 2A, 00, 00, 55, 68, B4, 02, 00, 00, A3, D0, 2D, 47, 00, 8D, 44, 24, 38, 50, 55, 68, 64, 92, 40, 00, FF, 15, 84, 81, 40, 00, 68, 4C, 92, 40, 00, 68, C0, AD, 46, 00, E8, 18, 27, 00, 00, FF, 15, B0, 80, 40, 00, 50, BF, A0, 30, 4C, 00, 57, E8, 06, 27, 00, 00...
 
[+]

Entropy:
7.9975

Packer / compiler:
Nullsoft install system v2.x

Code size:
27.5 KB (28,160 bytes)

Startup File (User Run)
Registry location:
HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run

Name:
bdupdate

Command:
C:\Program Files\tools\bdupdate.exe \rsc


The file bdupdate.exe has been seen being distributed by the following 2 URLs.

http://down.meiheitou.com/.../Xigua_Install.exe

http://down.meiheitou.com/.../Xigua_Install.exe

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