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setup_a165.exe

Shanghai Tuizhong Network Technology Studio

The application setup_a165.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 xiazai.3lsoft.com.
Publisher:
Shanghai Tuizhong Network Technology Studio  (signed and verified)

MD5:
d56858a8820158929fe461a85ea12d53

SHA-1:
0d281cd2ccba000e336dfeccefbeec16f9f5bfbe

SHA-256:
99e41965979cb7d771690f1fdaff2f2f4ff291527c263ef25d7e55a9788aabda

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
12/28/2024 7:16:16 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Downloader.STN.Installer.Meta (M)
16.6.9.18

File size:
3 MB (3,173,248 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\downloads\setup_a165.exe

Digital Signature
Signed by:
Shanghai Tuizhong Network Technology Studio

Authority:
VeriSign, Inc.

Valid from:
5/7/2012 8:00:00 AM

Valid to:
5/8/2013 7:59:59 AM

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:
6/19/2009 5:33:27 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
98304:K/t8KnXcA4qUMBWoYRPLPRpkNfYXhXfP3F:+t1RTUMtY9rsf6vP

Entry address:
0x3291

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 28, 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, 38, 3F, 42, 00, E8, BA, 2C, 00, 00, A3, 84, 3E, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 50, F4, 41, 00, FF, 15, 58, 71, 40, 00, 68, B0, 91, 40, 00, 68, 80, 36, 42, 00, E8, 43, 29, 00, 00, FF, 15, B0, 70, 40, 00, BF, 00, 90, 42, 00, 50, 57, E8, 31, 29, 00, 00...
 
[+]

Entropy:
7.9955

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file setup_a165.exe has been seen being distributed by the following URL.

http://xiazai.3lsoft.com:81/.../setup_a165.exe

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