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nuis.exe

Appit

WEB PICK - INTERNET HOLDINGS LTD

This is a WebPick installer that bundles (with very minimal user consent) a number of adware browser extensions which inject ads in the browser. The application nuis.exe, “Installer for Appit” by WEB PICK - INTERNET HOLDINGS has been detected as adware by 16 anti-malware scanners. The program is a setup application that uses the WebPick InstalleRex (Tarma) installer. The setup program uses Web-Pick's InstalleRex download manager and installer to bundle potentially unwanted ad-supported software which includes toolbars and browser extensions through a pay-per-install monetization scheme.
Publisher:
GreatSoft  (signed by WEB PICK - INTERNET HOLDINGS LTD)

Product:
Appit

Description:
Installer for Appit

Version:
2014.2.18.1622

MD5:
0172fc5bd0bf3a0d52de7abc6e11d7d3

SHA-1:
9ca7f8318519fe140a3b6e6ca2da052ba64f5c4f

SHA-256:
1722649a261cf2b035278f2a190fd2fb2c6c7dd01032627db0cdceb3511445c6

Scanner detections:
16 / 68

Status:
Adware

Explanation:
Uses the InstalleRex from WebPick Internet Holdings to install bundled add-ons including toolbars and other web browser extensions.

Analysis date:
4/23/2024 6:37:56 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Trojan.AntiFW
7.1.1

AhnLab V3 Security
PUP/Win32.TSULoader
2014.02.22

Avira AntiVirus
Adware/InstalleRex.MIK
7.11.133.30

avast!
Win32:InstalleRex-AE [PUP]
2014.9-140221

AVG
MalSign.Skodna.Pick
2015.0.3556

Comodo Security
Application.Win32.InstalleRex.KG
17825

Dr.Web
Trojan.WebPick.4
9.0.1.052

ESET NOD32
Win32/InstalleRex
8.9455

Fortinet FortiGate
Riskware/InstalleRex
2/21/2014

G Data
Win32.Application.Installerex
14.2.24

Malwarebytes
PUP.Optional.Installex
v2014.02.21.09

McAfee
PUP-FHQ!0172FC5BD0BF
5600.7212

Reason Heuristics
Adware.WebPick.Installer.E
14.8.8.1

Rising Antivirus
PE:PUF.InstallRex!1.9E4C
23.00.65.14219

Sophos
InstallRex
4.97

Vba32 AntiVirus
Downloader.AdLoad
3.12.24.3

File size:
323.5 KB (331,296 bytes)

Product version:
1.0.0.2

Copyright:
Copyright © 2014 GreatSoft

Original file name:
TSULoader.exe

File type:
Executable application (Win32 EXE)

Installer:
WebPick InstalleRex (Tarma)

Language:
Language Neutral

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

Digital Signature
Signed by:
WEB PICK - INTERNET HOLDINGS LTD

Authority:
Thawte, Inc.

Valid from:
2/27/2013 4:00:00 PM

Valid to:
3/22/2014 4:59:59 PM

Subject:
CN=WEB PICK - INTERNET HOLDINGS LTD, O=WEB PICK - INTERNET HOLDINGS LTD, L=Ramat Hasharon, S=Israel, C=IL

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
4FA5BF44DCE698E1696C79DDC43E5535

File PE Metadata
Compilation timestamp:
3/12/2013 1:51:45 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:wr1Bh9uEo2S1YnQmCX492DkwNP3qpYFDcYgQUskKWeFCEQOiCYOqmO5o3:wr1B3u6/eIo4ArVUBQCCYOqmO5o3

Entry address:
0x14DB

Entry point:
55, 8B, EC, 81, EC, 2C, 06, 00, 00, 53, 56, 33, DB, 57, 66, 89, 9D, DC, FB, FF, FF, 89, 5D, F4, 89, 5D, FC, FF, 15, 74, 30, 40, 00, A3, 08, 44, 40, 00, FF, 15, 70, 30, 40, 00, 8B, F8, 8D, 45, EC, 50, FF, 15, 6C, 30, 40, 00, FF, 15, 68, 30, 40, 00, 8B, F0, F7, D6, 33, F7, FF, 15, 64, 30, 40, 00, 33, F0, 8B, 45, F0, 33, 45, EC, 68, 04, 01, 00, 00, 33, F0, 8D, 85, D4, F9, FF, FF, 50, 53, FF, 15, 60, 30, 40, 00, 85, C0, 75, 41, FF, 15, 5C, 30, 40, 00, 83, F8, 78, 75, 1A, 68, A8, 32, 40, 00, E8, 43, FB, FF, FF...
 
[+]

Entropy:
7.8775  (probably packed)

Code size:
7.5 KB (7,680 bytes)

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

http://addoncommon.info/v875

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

TCP (HTTP):
Connects to r1.stylezip.info  (54.186.255.26:80)

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