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winrar-12398-dp.exe

Internet Installer

dobreprogramy sp. z o.o.

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application winrar-12398-dp.exe, “Internet Installer Setup ” by dobreprogramy sp. z o.o has been detected as adware by 18 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:
Application   (signed by dobreprogramy sp. z o.o.)

Product:
Internet Installer

Description:
Internet Installer Setup

Version:
3.0.2.1

MD5:
7f92938140f478cc42148674ec5dfb8c

SHA-1:
8332d83a2136396f647e72a4f172115f47b337a7

SHA-256:
fab8375e4e6e7ae7ad492159dfbc1e646d2fd38807ca2648c1687ed3025e9d37

Scanner detections:
18 / 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 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:
1/3/2025 9:12:29 PM UTC  (today)

Scan engine
Detection
Engine version

Baidu Antivirus
Adware.Win32.InstallCore
4.0.3.1629

Bkav FE
W32.HfsAdware
1.3.0.7062

Dr.Web
Trojan.InstallCore.60
9.0.1.040

ESET NOD32
Win32/InstallCore.AAJ potentially unwanted (variant)
10.12057

Fortinet FortiGate
Riskware/InstallCore
2/9/2016

K7 AntiVirus
Unwanted-Program
13.207.16813

Malwarebytes
PUP.Optional.InstallCore.A
v2016.02.09.10

McAfee
Artemis!27AB021BC05D
5600.6495

Panda Antivirus
PUP/Multitoolbar
16.02.09.10

Reason Heuristics
PUP.installCore.dobreprogramyspzoo.Installer (M)
16.2.9.10

VIPRE Antivirus
Trojan.Win32.Generic
42686

File size:
822.7 KB (842,424 bytes)

Product version:
5.8.8

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\users\{user}\downloads\winrar-12398-dp.exe

Digital Signature
Signed by:
dobreprogramy sp. z o.o.

Authority:
GlobalSign nv-sa

Valid from:
2/20/2015 4:15:48 PM

Valid to:
2/21/2016 4:15:48 PM

Subject:
CN=dobreprogramy sp. z o.o., O=dobreprogramy sp. z o.o., L=Wroclaw, C=PL

Issuer:
CN=GlobalSign CodeSigning CA - G2, O=GlobalSign nv-sa, C=BE

Serial number:
1121E43E26D353CD92710BE588FC941CCD7E

File PE Metadata
Compilation timestamp:
6/20/1992 12:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:rdRskCE3IjmgulptgEqu44kraijqN8NTi:rE3E3IjmgKptg/9rZqW2

Entry address:
0xA5F8

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, CE, 8A, FF, FF, E8, D5, 9C, FF, FF, E8, 64, 9F, FF, FF, E8, 07, A0, FF, FF, E8, A6, BF, FF, FF, E8, 11, E9, FF, FF, E8, 78, EA, FF, FF, 33, C0, 55, 68, C9, AC, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 92, AC, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 26, F5, FF, FF, E8, 11, F1, FF, FF, 80, 3D, 34, B2, 40, 00, 00, 74, 0C, E8, 23, F6, FF, FF, 33, C0, E8, C4, 97, FF, FF, 8D, 55, F0, 33, C0, E8, B6, C5, FF, FF, 8B, 55...
 
[+]

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

Code size:
39.5 KB (40,448 bytes)

The file winrar-12398-dp.exe has been seen being distributed by the following URL.

http://cdn.straightbuildbar.com/c?x=BBPAuBMmxI73PThfAvHe79BPSJNcJ KUt/ktEysoEf0=&c=Mgeu44HKTCf6Ul94CpHmPbg0f2/XQnw5l NOHkXa99NCBDHFdmgXglgJ7ID4Aofp0qlKkVOlCe 8tgAv4rdfSvviQvbNchrjJ51R/6s3OZy1c6KVtye7Lafi0iDsHulpL9721bJywbnYOYD4VHCgrw==&fallback_url=http://storage.dobreprogramy.pl/.../winrar-x64-521pl.exe&downloadAs=WinRAR-12398-dp.exe

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