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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. With this installer, users are expecting to download WinRAR archiver but before that occurs they may be presented with additional offers, mostly potentially unwanted software or adware.
Publisher:
META., JSC  (signed and verified)

MD5:
8152e4e82e8a4a1366ba7ef578acbdf5

SHA-1:
db725de0bbf6f5c8b9f56ef1f3bb8a2a69ab46ad

SHA-256:
e61e8bcc29ae68dd3f072004f2bfc1025ad214a9ec2679a5cae4934d74f13108

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 also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
4/20/2024 1:45:26 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.InstallCore
7.1.1

Avira AntiVirus
ADWARE/InstallCore.Gen7
7.11.148.48

AVG
MalSign.InstallC
2015.0.3454

Dr.Web
Trojan.MulDrop5.10078
9.0.1.0155

ESET NOD32
Win32/InstallCore.NG
8.9771

Fortinet FortiGate
Riskware/InstallCore
6/4/2014

herdProtect (fuzzy)
variant of icreinstall_font_vni_thu_phap_dsetup.exe (PUP)
2014.8.15.17

Malwarebytes
PUP.Optional.InstallCore
v2014.06.04.12

McAfee
Artemis!C89642B049C8
5600.7110

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

Reason Heuristics
PUP.Installer.METAJSC.N
14.6.4.0

Sophos
Install Core Click run software
4.98

Trend Micro House Call
TROJ_GEN.F47V0419
7.2.155

Vba32 AntiVirus
Downware.InstallCore
3.12.26.0

VIPRE Antivirus
Trojan.Win32.Generic
28974

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/051210/x5250/.../winrar_dsetup.exe

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