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msusetup.exe

Thanksoft

The application msusetup.exe by Thanksoft 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 www.thanksoft.com.
Publisher:
Thanksoft  (signed and verified)

MD5:
59f91dfaf6d68abe913346a39e6e1953

SHA-1:
7aa6a79cb89e72d585d28e46f891dd60742f7afd

SHA-256:
dfa674de98f544343b013c65f251c046d9d766adcd1eef99b7d4f3b6a033d78e

Scanner detections:
1 / 68

Status:
Potentially unwanted

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Analysis date:
12/25/2024 7:02:33 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Thanksoft.Installer (M)
16.3.3.22

File size:
63.4 MB (66,502,584 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

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

Digital Signature
Signed by:
Thanksoft

Authority:
Symantec Corporation

Valid from:
2/26/2016 2:00:00 AM

Valid to:
4/15/2016 2:59:59 AM

Subject:
CN=Thanksoft, O=Thanksoft, L=Dnepropetrovsk, S=Dnepropetrovsk, C=UA

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
3AF1A1ACB217D0C6F6CE6D7A43281075

File PE Metadata
Compilation timestamp:
10/7/2014 7:40:17 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
1572864:Z/P09/d2JuxEmkxI3eerNCT+wqiPv7o+WUJDiRAg5Tj6:ZnCdzGI3HrdtHZRP6

Entry address:
0x3217

Entry point:
81, EC, 84, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 30, 91, 40, 00, 89, 5C, 24, 20, C6, 44, 24, 14, 20, FF, 15, 34, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 70, 40, 00, 53, FF, 15, 8C, 72, 40, 00, 6A, 09, A3, B8, 37, 42, 00, E8, C0, 2D, 00, 00, A3, 04, 37, 42, 00, 53, 8D, 44, 24, 38, 68, 60, 01, 00, 00, 50, 53, 68, B8, EC, 41, 00, FF, 15, 64, 71, 40, 00, 68, E4, 91, 40, 00, 68, 00, 2F, 42, 00, E8, 6A, 2A, 00, 00, FF, 15, B0, 70, 40, 00, BD, 00, 90, 42, 00, 50, 55, E8, 58, 2A...
 
[+]

Entropy:
8.0000

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

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

http://www.thanksoft.com/.../msurfpro_setup.exe

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