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setup_242.exe

Shanghai Tuizhong Network Technology Studio

The application setup_242.exe by Shanghai Tuizhong Network Technology Studio has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The file has been seen being downloaded from down.3lsoft.com.
Publisher:
Shanghai Tuizhong Network Technology Studio  (signed and verified)

MD5:
36211eabbe04418125e869513bbb55e6

SHA-1:
7a83f4f578ea255c53129a5352a6518190e6457f

SHA-256:
92e4f8cb367dcfad1c7e586b3961e125097b995cd62cda6e4fa589c55e04a193

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
4/23/2024 7:55:54 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Downloader.STN.Installer.Meta (M)
16.8.17.9

File size:
3.3 MB (3,416,800 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\downloads\setup_242.exe

Digital Signature
Signed by:
Shanghai Tuizhong Network Technology Studio

Authority:
VeriSign, Inc.

Valid from:
5/6/2012 8:00:00 PM

Valid to:
5/7/2013 7:59:59 PM

Subject:
CN=Shanghai Tuizhong Network Technology Studio, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Shanghai Tuizhong Network Technology Studio, L=Shanghai, S=Shanghai, C=CN

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:
168C50E807302FBEE40FD964EF54E7FA

File PE Metadata
Compilation timestamp:
12/5/2009 5:50:46 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
98304:op+7swxvmsEKC3mB3gHexAs206qrmt8pfnEF:2cdPbB3goc0609E

Entry address:
0x323C

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 30, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 58, 3F, 42, 00, E8, 09, 2C, 00, 00, A3, A4, 3E, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 58, F4, 41, 00, FF, 15, 58, 71, 40, 00, 68, B8, 91, 40, 00, 68, A0, 36, 42, 00, E8, BC, 28, 00, 00, FF, 15, B0, 70, 40, 00, BF, 00, 90, 42, 00, 50, 57, E8, AA, 28, 00, 00...
 
[+]

Entropy:
7.9960

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file setup_242.exe has been seen being distributed by the following URL.

http://down.3lsoft.com/.../setup_242.exe

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