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b5t_setup.exe

帮5淘购物助手

载信软件（上海）有限公司

The application b5t_setup.exe by 载信软件（上海）有限公司 has been detected as a potentially unwanted program by 4 anti-malware scanners. This is a self-extracting archive and installer and has been known to bundle potentially unwanted software. The file has been seen being downloaded from cdn.b5m.cn.
Publisher:
载信软件（上海）有限公司  (signed and verified)

Product:
帮5淘购物助手

Version:
6, 0, 5, 0

MD5:
ea2c5ff03be0b92df618723b84ab3c8a

SHA-1:
5b340bdcf027ba5aced23779f6e23482021633f8

SHA-256:
25c63b89d063a3d60a2428656b0f3d1b3f5e78578bd5c32ea6e2aa7f02c0c6cb

Scanner detections:
4 / 68

Status:
Potentially unwanted

Analysis date:
6/17/2025 11:42:55 PM UTC  (a few moments ago)

Scan engine
Detection
Engine version

ESET NOD32
Win32/Bang5mai.C potentially unwanted (variant)
9.11963

Fortinet FortiGate
Riskware/Bang5mai
9/17/2015

NANO AntiVirus
Trojan.Win32.Staser.dtlehu
0.30.24.2487

Reason Heuristics
PUP.Bang5mai (M)
16.10.18.23

File size:
3.6 MB (3,826,072 bytes)

Product version:
6, 0, 5, 0

Copyright:
Copyright (C) 2015 B5MSoft

Original file name:
B5TSetup.exe

File type:
Executable application (Win32 EXE)

Language:
Chinese (Simplified, PRC)

Common path:
C:\users\{user}\appdata\roaming\b5t_setup.exe

Digital Signature
Signed by:
载信软件（上海）有限公司

Authority:
Thawte, Inc.

Valid from:
5/11/2014 8:00:00 PM

Valid to:
8/11/2015 7:59:59 PM

Subject:
CN=载信软件（上海）有限公司, OU=IT部, O=载信软件（上海）有限公司, L=上海, S=上海, C=CN

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
07CF6481D29DBD6746863A658408AE1C

File PE Metadata
Compilation timestamp:
12/30/2012 8:38:51 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
98304:GOpa+vWxO/ojN6J7BrHeaHeOagO42AtUvBH:pcSGXc9HeaHPxH2oUvB

Entry address:
0x276F0

Entry point:
60, BE, 00, 90, 41, 00, 8D, BE, 00, 80, FE, FF, 57, 89, E5, 8D, 9C, 24, 80, C1, FF, FF, 31, C0, 50, 39, DC, 75, FB, 46, 46, 53, 68, 7F, 5E, 02, 00, 57, 83, C3, 04, 53, 68, E0, E6, 00, 00, 56, 83, C3, 04, 53, 50, C7, 03, 03, 00, 02, 00, 90, 90, 90, 90, 90, 55, 57, 56, 53, 83, EC, 7C, 8B, 94, 24, 90, 00, 00, 00, C7, 44, 24, 74, 00, 00, 00, 00, C6, 44, 24, 73, 00, 8B, AC, 24, 9C, 00, 00, 00, 8D, 42, 04, 89, 44, 24, 78, B8, 01, 00, 00, 00, 0F, B6, 4A, 02, 89, C3, D3, E3, 89, D9, 49, 89, 4C, 24, 6C, 0F, B6, 4A...
 
[+]

Entropy:
7.9994  (probably packed)

Code size:
64 KB (65,536 bytes)

The file b5t_setup.exe has been seen being distributed by the following URL.

http://cdn.b5m.cn/upload/plugin/clients/.../B5T_Setup.exe

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