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nsx8f4b.tmp

The file nsx8f4b.tmp has been detected as a potentially unwanted program by 9 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 installer uses the InstallMonetizer platform which will donwload and install adware toolbars and other potentially unwanted software offers during setup. The file has been seen being downloaded from hwcdn.net and multiple other hosts.
MD5:
6aa351a1000f84821fdce9a8e1f4be35

SHA-1:
480898f5c824c1df24e2ba85bf301e43104287e1

SHA-256:
332563d74f1c0a04a35678842c4a1b497d9f6f7f7966df13cb5b7132b6f77a5f

Scanner detections:
9 / 68

Status:
Potentially unwanted

Explanation:
Uses the InstallMonetizer distribution platform to bundle adware.

Analysis date:
7/3/2025 1:38:25 AM UTC  (today)

Scan engine
Detection
Engine version

Dr.Web
Adware.InstallMonetizer.1
9.0.1.013

ESET NOD32
Win32/InstallMonetizer.BJ potentially unwanted
10.12861

G Data
NSIS.Application.InstallMonetizer
16.1.25

IKARUS anti.virus
not-a-virus:Downloader.SilentInstall
t3scan.1.9.5.0

Malwarebytes
PUP.Optional.CheckOffer
v2016.01.13.12

NANO AntiVirus
Riskware.Win32.InstallMonetizer.dymuwe
1.0.14.5380

Qihoo 360 Security
HEUR/QVM42.0.Malware.Gen
1.0.0.1077

Rising Antivirus
NS:PUF.SilenceInstaller!1.9DDF [F]
23.00.65.16111

SUPERAntiSpyware
Adware.InstallMonetizer/Variant
9388

File size:
226.2 KB (231,637 bytes)

Installer:
NSIS (Nullsoft Scriptable Install System)

File PE Metadata
Compilation timestamp:
12/5/2009 8:52:12 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:rFJ0GzfzBYyPOAj7pJ59E6rTUadigTZ/t5q2pd5A8WwN:L/iyWAj7pBxddZ/bJd5A89

Entry address:
0x30FA

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 18, 1C, 45, 00, E8, F1, 2B, 00, 00, A3, 64, 1B, 45, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 37, 43, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, DB, 44, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, A0, 47, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file nsx8f4b.tmp has been seen being distributed by the following 7 URLs.

http://hwcdn.net/w6k7z7c5/.../VuuPC_VO2_8907.exe

http://116.77.75.203:81/1Q2W3E4R5T6Y7U8I9O0P1Z2X3C4V5B/.../VuuPC_VO2_8907.exe

http://113.171.224.242/.../VuuPC_VO2_8907.exe

http://secured.cdnpmmm.us/VuuPC_VO2_8907.exe

http://113.171.224.207/.../VuuPC_VO2_8907.exe

http://113.171.224.168/.../VuuPC_VO2_8907.exe

http://secured.cdnawbeast.us/VuuPC_VO2_8907.exe

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