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winrar_dsetup.exe

META., JSC

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application winrar_dsetup.exe by META., JSC has been detected as a potentially unwanted program by 15 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 installer is marketed through download protals and search ads as WinRAR archiver but will also install additional software offers which include adware, PUPs and browser toolbars.
Publisher:
META., JSC  (signed and verified)

MD5:
79b652f5596ea217f4f8910461b68efd

SHA-1:
fc7e5f0afe64b09682c496b4343128ef832cce26

SHA-256:
1afa2ddcdbd038258f1af1c8794e44098ca0ad2f8dbe56e62dbac7c304484470

Scanner detections:
15 / 68

Status:
Potentially unwanted

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

Description:
This is an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
4/19/2024 5:54:45 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.InstallCore
7.1.1

Avira AntiVirus
ADWARE/InstallCore.Gen7
7.11.144.202

AVG
MalSign.InstallC
2015.0.3435

Dr.Web
Trojan.MulDrop5.10078
9.0.1.05190

ESET NOD32
Win32/InstallCore.NG potentially unwanted application
7.0.302.0

Fortinet FortiGate
Riskware/InstallCore
6/23/2014

F-Prot
W32/A-5523cf85
v6.4.7.1.166

Malwarebytes
PUP.Optional.InstallCore
v2014.06.23.02

McAfee
Artemis!C89642B049C8
5600.7091

Qihoo 360 Security
Win32/Virus.Adware.94c
1.0.0.1015

Reason Heuristics
PUP.Installer.METAJSC.N
14.6.23.2

Sophos
Install Core Click run software
4.98

Trend Micro House Call
TROJ_GEN.F47V0419
7.2.174

Vba32 AntiVirus
Downware.InstallCore
3.12.26.0

VIPRE Antivirus
Trojan.Win32.Generic
28520

File size:
642.3 KB (657,752 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

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

Digital Signature
Signed by:
META., JSC

Authority:
COMODO CA Limited

Valid from:
11/6/2013 7:00:00 AM

Valid to:
11/6/2016 6:59:59 AM

Subject:
CN="META., JSC", O="META., JSC", STREET="B49, Duy Tan Street, Dich Vong Hau Ward, Cau Giay District", L=Hanoi, S=Hanoi, PostalCode=10000, C=VN

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

Serial number:
00D08397D094A2AC46809B3100D8A03A0A

File PE Metadata
Compilation timestamp:
6/20/1992 5:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:VnXpiiVfgfVzLlwkmDNM4Gequ2YhdDE5WhP3sZQ01aYBZTH8N1sJy:VnXkIkXANMAB2YhK56s60YGTcN1

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, 53, C9, FF, FF, E8, 9A, 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...
 
[+]

Entropy:
7.7728

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

Code size:
37 KB (37,888 bytes)

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

http://files.downloadsmart.net/i/042813/x5250/.../winrar_dsetup.exe

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