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gu5setup.exe

NextInteractive

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application gu5setup.exe by NextInteractive has been detected as adware by 7 anti-malware scanners. The program is a setup application that uses the installCore installer. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. The file has been seen being downloaded from www.01net.com.
Publisher:
NextInteractive  (signed and verified)

MD5:
e5371cd204df10a78aedf98ccc657d03

SHA-1:
1d6df2d4faaa1b65b53a6e7c6e48068a0fa69baf

SHA-256:
eeb97a77bbb2bb1a9490f5c2d39253a432423f75ed8dd6428f62700e451d9b87

Scanner detections:
7 / 68

Status:
Adware

Explanation:
Uses the InstallCore download manager to install additional potentially unwanted software which may include extensions such as DealPly and various toolbars.

Description:
This 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
4/24/2024 2:40:50 AM UTC  (today)

Scan engine
Detection
Engine version

AVG
Generic
2015.0.3314

Baidu Antivirus
Adware.Win32.InstallCore
4.0.3.141022

ESET NOD32
Win32/InstallCore.QH (variant)
8.10598

K7 AntiVirus
Unwanted-Program
13.184.13741

Malwarebytes
PUP.Optional.InstallCore
v2014.10.22.03

Reason Heuristics
PUP.Installer.NextInteractive.I
14.11.1.11

Sophos
Install Core Click run software
4.98

File size:
687.4 KB (703,936 bytes)

Product version:
1.5

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\gu5setup.exe

Digital Signature
Signed by:
NextInteractive

Authority:
COMODO CA Limited

Valid from:
8/1/2014 2:00:00 AM

Valid to:
8/2/2015 1:59:59 AM

Subject:
CN=NextInteractive, O=NextInteractive, STREET=12 rue d'Oradour sur Glane, L=Paris, S=IDF, PostalCode=75015, C=FR

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
009E4B52117DDD6C7EDC11E30C62E32B31

File PE Metadata
Compilation timestamp:
6/20/1992 12:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:C+WFa04Cc06fQZGeyLOrAUZbi/6S9N2lz0+zdHE/YRaxUzyRcuUJY0R6Kdtm2dDe:ClFRj16fQZlo/UZbmv9NH+zdHEfxfRcM

Entry address:
0x9C40

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, 86, 94, FF, FF, E8, 8D, A6, FF, FF, E8, 1C, A9, FF, FF, E8, BF, A9, FF, FF, E8, 5E, C9, FF, FF, E8, C9, F2, FF, FF, E8, 30, F4, FF, FF, 33, C0, 55, 68, FC, A2, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, C5, A2, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 96, FE, FF, FF, E8, C9, FA, FF, FF, 8D, 55, F0, 33, C0, E8, 83, CF, FF, FF, 8B, 55, F0, B8, 24, CE, 40, 00, E8, 32, 95, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, 24, CE...
 
[+]

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
37 KB (37,888 bytes)

The file gu5setup.exe has been seen being distributed by the following URL.

http://www.01net.com/.../telecharger.php?id=42210

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