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. 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:
%VENDOR%  (signed by Moca Network (New Media Holdings Ltd.))

Product:
%VENDOR% Downloader

Description:
Internet Setup

Version:
1.0.5.a0.1_34623

MD5:
fc53bd63e5c624fceb5ce6b573c1c6cd

SHA-1:
0b7b63bc5eb4cfd5a9f3d12dd8ec4e146970aa07

SHA-256:
55443ee863bc652e0a1b3a1710a4c5389db2d4365ea86bcf8791b2995df48406

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 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:
4/29/2024 2:03:40 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.NewMedia.NMH (M)
16.7.21.19

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)

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

Digital Signature
Authority:
GlobalSign nv-sa

Valid from:
10/21/2014 11:08:19 AM

Valid to:
10/22/2015 11:08:19 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:
6/20/1992 12:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:lKvaauxkhpd07rw/nxas3fAAVj40kRsiasYFi:l6JNO8asPAyjbkRsia3

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_setup.exe has been seen being distributed by the following URL.

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