winrar-5-00-beta-32-bits.exe

ISBRInstaller

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application winrar-5-00-beta-32-bits.exe by ISBRInstaller has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the installCore installer. 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:
ISBRInstaller  (signed and verified)

MD5:
8cd7b9178697e5a66875fcf53ea13a80

SHA-1:
b4adaa5e7b2277c656ab65c611ac04c7d5e5770f

SHA-256:
39bd4a1eaf403a3bba3466ca8336398e24c0a54cce26de3e429b4ae93772aa2e

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

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:
4/23/2024 8:58:14 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.ISBRInstaller (M)
16.2.15.15

File size:
657.8 KB (673,608 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\users\{user}\downloads\winrar-5-00-beta-32-bits.exe

Digital Signature
Signed by:

Authority:
COMODO CA Limited

Valid from:
7/16/2013 9:00:00 PM

Valid to:
7/17/2014 8:59:59 PM

Subject:
CN=ISBRInstaller, O=ISBRInstaller, STREET=Ronthschilde 63, L=Tel Aviv, S=Tel Aviv, PostalCode=6527319, C=IL

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

Serial number:
158EF632B1D9C77CF5AAB6A9367E7FCE

File PE Metadata
Compilation timestamp:
6/19/1992 7:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:TSyMJfsGLCD3jpE3wvIhnpvISQgq4VcD2TmjWeAesdaGrLM4eOXnf2HKLP1:2yMJfsr3jpC5qIZiWeorMSXnfuu

Entry address:
0x98CC

Entry point:
55, 8B, EC, 83, C4, CC, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, FA, 97, FF, FF, E8, 01, AA, FF, FF, E8, 2C, CC, FF, FF, E8, 73, CC, FF, FF, E8, 0A, F3, FF, FF, E8, 71, F4, FF, FF, 33, C0, 55, 68, 76, 9F, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 2C, 9F, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, B0, 40, 00, E8, 9B, FE, FF, FF, E8, 26, FA, FF, FF, 8D, 55, F0, 33, C0, E8, E0, D0, FF, FF, 8B, 55, F0, B8, D8, BD, 40, 00, E8, AB, 98, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, D8, BD, 40, 00, B2, 01, B8...
 
[+]

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

Code size:
36 KB (36,864 bytes)

The file winrar-5-00-beta-32-bits.exe has been seen being distributed by the following URL.

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