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icreinstall_winrar-420.exe

NextRadioTV

The installer utilizes InstallCore which may bundle about 3-4 offers for various ad-supported toolbars, extensions and utilities. The application icreinstall_winrar-420.exe by NextRadioTV has been detected as adware by 13 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:
NextRadioTV  (signed and verified)

MD5:
fab6aecb6ae92d8474aa06d3c161dba9

SHA-1:
eceac0e8c62cab4f7a39ba92e43cb945155734cb

SHA-256:
3e0075776f2b9fd69e291a7d0a6cbb34bc67ea606809af198927cb5538bb7adf

Scanner detections:
13 / 68

Status:
Adware

Explanation:
The installer is a co-bundle distribution utility that might contain adware or various unwanted programs. While the software it is providing is typically clean, the donwload manager offers could be classified as unwanted.

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:
4/24/2024 2:05:11 PM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
ADWARE/InstallCore.Gen
7.11.124.216

Bkav FE
HW32.Laneul
1.3.0.4613

Comodo Security
Application.Win32.InstallCore.~A
17599

Dr.Web
Adware.InstallCore.72
9.0.1.01

ESET NOD32
Win32/InstallCore.AY (variant)
8.9280

F-Prot
W32/InstallCore.V2.gen
v6.4.7.1.166

K7 AntiVirus
Unwanted-Program
13.175.10814

Malwarebytes
PUP.Optional.InstallCore
v2014.01.01.07

Reason Heuristics
PUP.NextRadioTV.Z
14.2.17.5

Rising Antivirus
PE:Malware.XPACK-LNR/Heur!1.5594
23.00.65.131230

Sophos
Install Core
4.96

Trend Micro House Call
TROJ_GEN.R0CBH0ALA13
7.2.1

Vba32 AntiVirus
BScope.Malware-Cryptor.InstallCore.2691
3.12.24.3

File size:
1 MB (1,089,928 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore

Common path:
C:\users\{user}\appdata\local\temp\icreinstall_winrar-420.exe

Digital Signature
Signed by:
NextRadioTV

Authority:
COMODO CA Limited

Valid from:
8/6/2012 2:00:00 AM

Valid to:
8/7/2013 1:59:59 AM

Subject:
CN=NextRadioTV, O=NextRadioTV, STREET=12 rue d Oradour sur Glane, L=Paris, S=IDF, PostalCode=75015, C=FR

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

Serial number:
00F6B0E6D7739316BE77DBC3CE3EF38235

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

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:902p7ff23OE9RmkBQ3b5bnNR6iF30+21Tj:j1EOChKNnNR6o3M

Entry address:
0xCAC10

Entry point:
55, 8B, EC, 83, C4, F0, B8, C4, B7, 41, 00, E8, 7D, D8, FF, FF, 00, 00, 00, 00, 00, 00, 46, 06, 53, 79, 73, 74, 65, 6D, 03, 00, FF, FF, CC, 83, 44, 24, 04, F8, E9, 65, 4E, 00, 00, 83, 44, 24, 04, F8, E9, 83, 4E, 00, 00, 83, 44, 24, 04, F8, E9, 8D, 4E, 00, 00, CC, 51, 11, 40, 00, 5B, 11, 40, 00, 65, 11, 40, 00, 01, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, C0, 00, 00, 00, 00, 00, 00, 46, 70, 11, 40, 00, 08, 00, 00, 00, 00, 00, 00, 00, E8, 11, 40, 00, 7C, 11, 40, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Developed / compiled with:
Microsoft Visual C++

Code size:
828 KB (847,872 bytes)

The file icreinstall_winrar-420.exe has been seen being distributed by the following URL.

http://cdnus.ironcdn.com/.../Winrar-420.exe

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to os.solvefile.com  (207.189.109.121:80)

TCP (HTTP):
Connects to cdnus.solvefile.com  (207.189.109.121:80)

TCP (HTTP):
Connects to cdneu.webfilescdn.com  (65.254.40.36:80)

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