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vstart_setup.exe

Shanghai Tuizhong Network Technology Studio

The application vstart_setup.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.
Publisher:
Shanghai Tuizhong Network Technology Studio  (signed and verified)

MD5:
c8b17d348057b8245b895e8c870c82b4

SHA-1:
fd04bde49a0fa2079f6adbc43aec811f3fde94ed

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
12/29/2024 11:55:21 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Downloader.STN (M)
16.9.14.5

File size:
2.6 MB (2,760,624 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\documents and settings\lenovo\桌面\vstart_setup.exe

Digital Signature
Signed by:
Shanghai Tuizhong Network Technology Studio

Authority:
VeriSign, Inc.

Valid from:
4/12/2013 8:00:00 AM

Valid to:
6/11/2016 7:59:59 AM

Subject:
CN=Shanghai Tuizhong Network Technology Studio, OU=IT, 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:
17067005A0EBBDDA152B423715D32628

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):
49152:kBdIsaRyjp4Va7HWdDNwXU5A27+KLgKPIhHTIMVnSgqBM4pN5ZN:yIrRUHWdDNwUH+KjPeIM1+M4pv

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:
7.9943

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

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