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setup_3878dmy.exe

极速拷贝

Yantai Zhenghao Network Technology (Zhifu Branch) Co., LTD.

The application setup_3878dmy.exe by Yantai Zhenghao Network Technology (Zhifu Branch) Co. has been detected as a potentially unwanted program by 5 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The file has been seen being downloaded from down21.7r7z.com and multiple other hosts.
Publisher:
Yantai Zhenghao Network Technology (Zhifu Branch) Co., LTD.  (signed and verified)

Product:
极速拷贝

Description:
极速拷贝软件

Version:
1.0.1.1

MD5:
5e6b055800dd074953e6b669dd936c6b

SHA-1:
6fdb0792e1a0d3cff470f8c813c7066f0c41b947

SHA-256:
bab669c13d1ca4760fbf06dcdc0bfc7d3de07d1fd6cfb9ab283c7ede9ebcc533

Scanner detections:
5 / 68

Status:
Potentially unwanted

Analysis date:
12/28/2024 6:22:52 AM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:Malware-gen
2014.9-160101

AVG
Generic
2017.0.2878

Dr.Web
Program.Unwanted.432
9.0.1.01

K7 AntiVirus
Unwanted-Program
13.212.18285

McAfee
Artemis!5E6B055800DD
5600.6534

File size:
2.8 MB (2,926,288 bytes)

Product version:
1.0.1.1

Copyright:
烟台市正浩网络科技有限公司

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\setup_3878dmy.exe

Digital Signature
Signed by:
Yantai Zhenghao Network Technology (Zhifu Branch) Co., LTD.

Authority:
WoSign CA Limited

Valid from:
2/2/2015 6:26:24 PM

Valid to:
2/2/2016 6:26:24 PM

Subject:
CN="Yantai Zhenghao Network Technology (Zhifu Branch) Co., LTD.", O="Yantai Zhenghao Network Technology (Zhifu Branch) Co., LTD.", L=Yantai, S=Shandong, C=CN

Issuer:
CN=WoSign Class 3 Code Signing CA, O=WoSign CA Limited, C=CN

Serial number:
2297A880AD01846A8F46524B7EA7B502

File PE Metadata
Compilation timestamp:
1/1/2015 8:45:54 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
49152:IdgBJjvDgJOHNPUaP91ph6oiU0PluKliqjIRmn7PRz5NRRzqIBDhlzBrK:IdGj/PUoHhNr04KlFIm7PRz5Njzz

Entry address:
0x3783

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 00, 8A, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 80, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 80, 40, 00, 53, FF, 15, 88, 82, 40, 00, 6A, 08, A3, D8, 88, 44, 00, E8, 90, 27, 00, 00, 53, 68, 60, 01, 00, 00, A3, E0, 87, 44, 00, 8D, 44, 24, 38, 50, 53, 68, 93, 8A, 40, 00, FF, 15, 58, 81, 40, 00, 68, 88, 8A, 40, 00, 68, E0, 47, 44, 00, E8, D0, 24, 00, 00, FF, 15, B0, 80, 40, 00, 50, BF, 00, 10, 47, 00, 57, E8, BE, 24, 00, 00...
 
[+]

Entropy:
7.9945

Packer / compiler:
Nullsoft install system v2.x

Code size:
24.5 KB (25,088 bytes)

The file setup_3878dmy.exe has been seen being distributed by the following 3 URLs.

http://down21.7r7z.com/setup_3899iHT.exe

http://down21.ke8u.com/Game_358QtGd.exe

https://dl2.7r7z.com/down.php?sid=481

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