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Rewizor GT_isdmgr.exe

Max Setup

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application Rewizor GT_isdmgr.exe by Max Setup has been detected as adware by 12 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 file has been seen being downloaded from download.komputerswiat.pl.
Publisher:
Max Setup  (signed and verified)

MD5:
f331948767b8be31e17c2feeb8924b03

SHA-1:
6b7012aa13a6cbc30481db5f23873e7536657bd6

SHA-256:
285cc639284882c0fd69116b5c0ceafa444e71f2f667ab11c9227075baf39474

Scanner detections:
12 / 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 12:34:46 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
Adware/InstallCore.A.174
7.11.158.174

AVG
InstallCore
2015.0.3383

Baidu Antivirus
Adware.Win32.InstallCore
4.0.3.14814

Dr.Web
Trojan.Packed.25266
9.0.1.0226

ESET NOD32
Win32/InstallCore.LB potentially unwanted application
8.7.0.302.0

G Data
Win32.Application.InstallCore
14.8.24

herdProtect (fuzzy)
variant of malwarebytes anti-malware free 2.0.2.1012.exe (Adware)
2014.10.28.6

K7 AntiVirus
Unwanted-Program
13.178.12257

Reason Heuristics
PUP.MaxSetup.R
14.8.14.0

Sophos
Install Core Click run software
4.98

Vba32 AntiVirus
Downware.InstallCore
3.12.26.0

VIPRE Antivirus
Threat.4837543
29800

File size:
592.8 KB (607,048 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

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

Digital Signature
Signed by:
Max Setup

Authority:
COMODO CA Limited

Valid from:
3/10/2014 5:00:00 PM

Valid to:
3/11/2015 4:59:59 PM

Subject:
CN=Max Setup, O=Max Setup, STREET=Lillienblam 28, L=Tel Aviv, S=Tel Aviv, PostalCode=651307, C=IL

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

Serial number:
008F6F1294DBB38F9F80A7A06DE489DF45

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:jTFaZOV/fQ2Vbyq6BsxfRn8z6ma/dbEuj5D5z1PI1DC:jTF0OV/Z2q6AR8ON1bEsdzW1u

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, BF, A9, FF, FF, E8, 5E, 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:
7.8475

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

Code size:
37 KB (37,888 bytes)

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

http://download.komputerswiat.pl/umbraco/webservices/.../QFP zOLeQ&version=&md5=dd91b719db02337317d6bc61982d4ea5

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