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nsvf4be.tmp

Setup

The file nsvf4be.tmp has been detected as a potentially unwanted program by 6 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.
Product:
Setup

Version:
1.0.35.7

MD5:
2afaadc894b48fc6c9ca4fe58dc0a5de

SHA-1:
1846307d577c7eda0ba953c6d0972cfdb84362f3

SHA-256:
69e4e61868a96a095f3b21f6089c507ca3e64a8f2dc9afba1376e9db6b1efe7a

Scanner detections:
6 / 68

Status:
Potentially unwanted

Analysis date:
9/28/2025 10:44:14 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Trojan.Amonetize
7.1.1

avast!
Win32:Dropper-gen [Drp]
2014.9-150711

Dr.Web
infected with Trojan.Amonetize.3133
9.0.1.05190

Malwarebytes
PUP.Optional.Amonentize.A
v2015.06.12.08

McAfee
Artemis!E72A358D9CA0
5600.6736

Trend Micro House Call
Suspici.B3D8636C
7.2.163

File size:
100.9 KB (103,314 bytes)

Product version:
1.0.35.7

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\nsvf4be.tmp

File PE Metadata
Compilation timestamp:
12/5/2009 10:53:18 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
3072:DstajHKBvYXJLWqhlPlQk8dUWYxjVr8vKhMT5Vz0:DTq+wqpbjV4ChMT5V4

Entry address:
0x36A0

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 88, A7, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 80, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 80, 40, 00, 53, FF, 15, 88, 82, 40, 00, 6A, 08, A3, B8, 63, 42, 00, E8, EE, 2E, 00, 00, A3, 04, 63, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, B0, 0C, 42, 00, FF, 15, 58, 81, 40, 00, 68, 10, A8, 40, 00, 68, 00, 5B, 42, 00, E8, F4, 29, 00, 00, FF, 15, B0, 80, 40, 00, BF, 00, C0, 42, 00, 50, 57, E8, E2, 29, 00, 00...
 
[+]

Entropy:
7.6631

Packer / compiler:
Nullsoft install system v2.x

Code size:
24.5 KB (25,088 bytes)

The file nsvf4be.tmp has been seen being distributed by the following URL.

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

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