WinRAR_x32_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_x32_Rus_Setup.exe by STMSetup has been detected as adware 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:
STMSetup  (signed and verified)

MD5:
d63b0ce2ea3400a2b41be29764cd36f5

SHA-1:
539014d4502633bbb659b16be8ade4c755aab884

SHA-256:
37c85f3e91f79c12c9a32c083dc25efd482c9b938135a00174193a86c9943883

Scanner detections:
15 / 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:
11/27/2024 1:41:05 AM UTC  (today)

Scan engine
Detection
Engine version

AVG
Generic
2015.0.3383

Baidu Antivirus
Adware.Win32.InstallCore
4.0.3.14814

Comodo Security
UnclassifiedMalware
19012

Dr.Web
Trojan.MulDrop5.10078
9.0.1.0226

ESET NOD32
Win32/InstallCore.ON (variant)
8.9847

Fortinet FortiGate
Riskware/InstallCore
8/14/2014

herdProtect (fuzzy)
2014.10.28.22

K7 AntiVirus
Trojan
13.181.12872

McAfee
Artemis!77FF82965259
5600.7039

Norman
InstallCore.CERT
11.20140814

Reason Heuristics
PUP.Installer.STMSetup.U
14.8.14.6

Trend Micro House Call
TROJ_GEN.F47V0506
7.2.226

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_x32_rus_setup.exe

Digital Signature
Signed by:

Authority:
COMODO CA Limited

Valid from:
4/27/2014 5:00:00 PM

Valid to:
4/28/2015 4:59:59 PM

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:
6/19/1992 3:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:TJlvpy2fGYAVzEQqtI4JdqzENw2ejYCoPqcECYkcD5y+wHNCid:TJlvg2fGYAVzE5IwdqzES9jYHqN4cDwT

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:
7.8545

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

Code size:
37 KB (37,888 bytes)

The file WinRAR_x32_Rus_Setup.exe has been seen being distributed by the following URL.

Remove WinRAR_x32_Rus_Setup.exe - Powered by Reason Core Security