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winrar_setup.exe

%VENDOR% Downloader

Moca Network (New Media Holdings Ltd.)

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application winrar_setup.exe, “Internet Setup ” by Moca Network (New Media Holdings) 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:
%VENDOR%  (signed by Moca Network (New Media Holdings Ltd.))

Product:
%VENDOR% Downloader

Description:
Internet Setup

Version:
1.0.5.a0.1_34623

MD5:
848abe8ec6c49b21ee1c2330be31abc7

SHA-1:
e4b246420222c01bf8660ff5841712aad5126760

SHA-256:
fa57f0a2f1fe18cc101310b14a471300d9429186af45e5e46e2d961b6e102e4b

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:
4/29/2024 3:41:17 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.NewMedia.NMH.installCore.Installer (M)
16.6.5.21

File size:
807.9 KB (827,296 bytes)

Product version:
1.0.5.a0.1_34623

Copyright:
%VENDOR%

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

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

Digital Signature
Signed by:
Moca Network (New Media Holdings Ltd.)

Authority:
GlobalSign nv-sa

Valid from:
10/21/2014 4:08:19 AM

Valid to:
10/22/2015 4:08:19 AM

Subject:
CN=Moca Network (New Media Holdings Ltd.), O=Moca Network (New Media Holdings Ltd.), L=Tel Aviv, C=IL

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

Serial number:
1121BDE3E9465AA3885C78E31659FB678295

File PE Metadata
Compilation timestamp:
6/19/1992 5:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:aKvaauxkhpd07rw/nxas3fAAVj40kRsiasYFi:a6JNO8asPAyjbkRsia3

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...
 
[+]

Entropy:
7.8681

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

Code size:
37 KB (37,888 bytes)

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

http://www.file-install.com/?dl=1&dr=cHaWck13IKFy7Xam2r0Wc32lDXizvENyhXNy7yDphXAmD3vpDZ0m rcWDK4m7dAWVVAm7dREhKVuvmAWASDChTMm7dlChV8yNZn4AZCFNTam7K2pDZ1fAja4Aji0OZi4Njn=&campaignId=9jn0Aja3ATa4AZMq

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