winrar_x64_rus_setup.exe

STMSetup

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application winrar_x64_rus_setup.exe by STMSetup has been detected as adware by 10 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:
STMSetup  (signed and verified)

MD5:
123ce39fdb536f0ca6a6ad3e6de025c4

SHA-1:
d5581ad629cac8da8abb5be5a56318e9a4a487c1

SHA-256:
7a8611eea8dc5b86ce66389c9abfda5597fd61b4388ee49ac36e1a4dc830c13d

Scanner detections:
10 / 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 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 4:28:03 AM UTC  (today)

Scan engine
Detection
Engine version

AVG
Generic
2015.0.3418

Dr.Web
Trojan.MulDrop5.10078
9.0.1.0145

ESET NOD32
Win32/InstallCore.ON (variant)
8.9847

Fortinet FortiGate
Riskware/InstallCore
7/10/2014

McAfee
Artemis!77FF82965259
5600.7074

Reason Heuristics
PUP.Installer.STMSetup.U
14.7.17.9

Trend Micro House Call
TROJ_GEN.F47V0506
7.2.191

Vba32 AntiVirus
3.12.26.0

VIPRE Antivirus
InstallCore.b
28916

File size:
662.2 KB (678,104 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\users\{user}\downloads\winrar_x64_rus_setup.exe

Digital Signature
Signed by:

Authority:
COMODO CA Limited

Valid from:
4/28/2014 4:00:00 AM

Valid to:
4/29/2015 3:59:59 AM

Subject:
CN=STMSetup, O=STMSetup, STREET=28 Lenelblome St., L=Tel-Aviv, S=Israel, PostalCode=651307, C=IL

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

Serial number:
4CC8AF2C057FC32A3FA7F44EAADD7EEA

File PE Metadata
Compilation timestamp:
6/20/1992 2:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:fJlvpy2fGYAVzEQqtI4JdqzENw2ejYCoPqcECYkcD5y+wHNCid:fJlvg2fGYAVzE5IwdqzES9jYHqN4cDwT

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...
 
[+]

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

Code size:
37 KB (37,888 bytes)

The file winrar_x64_rus_setup.exe has been seen being distributed by the following URL.

Remove winrar_x64_rus_setup.exe - Powered by Reason Core Security