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ryojoku_no_rensa_01.exe

Software Web Lite

Silver Setup (New Media Holdings Ltd.)

The application ryojoku_no_rensa_01.exe, “Software Web Lite Setup ” by Silver Setup (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 file has been seen being downloaded from www.contentpresentfun.com.
Publisher:
Software Program   (signed by Silver Setup (New Media Holdings Ltd.))

Product:
Software Web Lite

Description:
Software Web Lite Setup

Version:
2.3.3.2

MD5:
cf7e2d481c4fc39cc20e040d4d77f82b

SHA-1:
bb9e00a896b7749ae79198e77a2252e2dab5158b

SHA-256:
763226229369481a8cdbd50b35d0562d299d13a300095022ed75e8d1918dc840

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:
12/26/2024 5:22:39 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.NewMedia.Installer.Installer (M)
16.2.2.14

File size:
956 KB (978,904 bytes)

Product version:
2.0.8

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{random}\ryojoku_no_rensa_01.exe

Digital Signature
Signed by:
Silver Setup (New Media Holdings Ltd.)

Authority:
GlobalSign nv-sa

Valid from:
12/16/2015 1:34:48 PM

Valid to:
9/10/2016 6:57:01 PM

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

Issuer:
CN=GlobalSign CodeSigning CA - SHA256 - G2, O=GlobalSign nv-sa, C=BE

Serial number:
1121DDF3CFBD99D884DDB3ED223CAEDE3723

File PE Metadata
Compilation timestamp:
6/20/1992 1:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:cToWCnfQJxfXhmS8aHMM9y5tLe3jICxAXn8Sud:cMpCi8jICm3z4

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...
 
[+]

Entropy:
7.9336

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

Code size:
39.5 KB (40,448 bytes)

The file ryojoku_no_rensa_01.exe has been seen being distributed by the following URL.

http://www.contentpresentfun.com/c?x=dFwohlOhRb9y vvc M5RgLKo0tFgl AIuY6ElSt/QQc=&c=IYdajuCKOUQGojb1qZkqn9JNUXgpSvostXd/7li7ia1sFLVu 0eSTvXys q4Hb0S2FAKZaS4Lz03qCbc9zGAZu X3LzBee6oJRbQKf KU2qH5kCKxTzWkiw4blDEOxE &downloadAs=Ryojoku_no_Rensa_01.exe&fallback_url=https://s04.solidfilesusercontent.com/NWZhZmU2YjZkYzEzYjNiOGJmMjcyNjIzODUxMzlmNzEzNTJhNDM5MjoxYU1PRFE6U0NhanFORzF6RWlHQy1Ya0lfY3RyeFZFSmVN/.../Ryojoku_no_Rensa_01.mkv

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