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winrar_dsetup.exe

META., JSC

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application winrar_dsetup.exe by META., JSC has been detected as a potentially unwanted program 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. 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:
META., JSC  (signed and verified)

MD5:
51d4c7b724025f97de857f2f3e0120bf

SHA-1:
d37b1c1e118513876260087bacdb3c83b60a6bfa

SHA-256:
f41d41e40a3eb0c2e907bff7386eb85d53af0d941a52d4880eee57975c5f8f35

Scanner detections:
1 / 68

Status:
Potentially unwanted

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 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:
5/10/2024 3:20:47 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.METAJSC.Installer (M)
16.1.29.2

File size:
642.3 KB (657,752 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

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

Digital Signature
Signed by:
META., JSC

Authority:
COMODO CA Limited

Valid from:
11/5/2013 4:00:00 PM

Valid to:
11/5/2016 4:59:59 PM

Subject:
CN="META., JSC", O="META., JSC", STREET="B49, Duy Tan Street, Dich Vong Hau Ward, Cau Giay District", L=Hanoi, S=Hanoi, PostalCode=10000, C=VN

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

Serial number:
00D08397D094A2AC46809B3100D8A03A0A

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:VnXpiiVfgfVzLlwkmDNM4Gequ2YhdDE5WhP3sZQ01aYBZTH8N1sJy:VnXkIkXANMAB2YhK56s60YGTcN1

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...
 
[+]

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

Code size:
37 KB (37,888 bytes)

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

http://files.downloadsmart.net/i/051516/x5250/.../winrar_dsetup.exe

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