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nsmdf31.tmp

Setup

The file nsmdf31.tmp has been detected as a potentially unwanted program by 4 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer, however the file is not signed with an authenticode signature from a trusted source. The setup program bundles adware offers using the Amonetize, a Pay-Per-Install (PPI) monetization and distribution download manager. The software offerings provided are based on the PC's geo-location at the time of install. The file has been seen being downloaded from www.software-forus.com and multiple other hosts. While running, it connects to the Internet address h043.helix.fastwebserver.de on port 80 using the HTTP protocol.
Product:
Setup

Version:
1.0.35.7

MD5:
8a77f074c6628b81f94e144784f32adb

SHA-1:
9672b1c8cece2d1b9536f3852934f5503376254e

SHA-256:
45769c416db5a55aa7725dd0e7e289a44bebcb37d1a297bccb39f16f2ae0bac6

Scanner detections:
4 / 68

Status:
Potentially unwanted

Analysis date:
6/19/2025 1:10:53 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Trojan.Amonetize
7.1.1

Dr.Web
Trojan.Amonetize.3133
9.0.1.0226

Malwarebytes
PUP.Optional.Amonentize.A
v2015.08.14.01

McAfee
Artemis!E72A358D9CA0
5600.6673

File size:
98.2 KB (100,529 bytes)

Product version:
1.0.35.7

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\nsmdf31.tmp

File PE Metadata
Compilation timestamp:
12/5/2009 2:50:46 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
3072:zQIURTXJBFVuOFcd2tYOqYjGRABtft+vMi:zsD/uycsGOhjGR4RtUR

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:
7.6712

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file nsmdf31.tmp has been seen being distributed by the following 3 URLs.

http://www.software-forus.com/CPUminer/.../Bundle_CPUminer.exe

http://113.171.224.207/.../Bundle_CPUminer.exe

http://www.software-forus.com/.../Bundle_CPUminer.exe

The executing file has been seen to make the following network communication in live environments.

TCP (HTTP):
Connects to h043.helix.fastwebserver.de  (93.186.202.236:80)

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