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icreinstall_sudoku-68541-dp.exe

Rukimakin

Mode Beta (Fried Cookie Ltd)

The installer utilizes InstallCore which may bundle about 3-4 offers for various ad-supported toolbars, extensions and utilities. The application icreinstall_sudoku-68541-dp.exe, “Rukimakin Setup ” by Mode Beta (Fried Cookie) 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 setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions.
Publisher:
Mode Beta (Fried Cookie Ltd)  (signed and verified)

Product:
Rukimakin

Description:
Rukimakin Setup

Version:
3.7.4.5

MD5:
b3bf4df6c628a5457d5e1e80d9bbea96

SHA-1:
01b95550347cf7e3c2d916a6fad135d6225dbf6f

SHA-256:
fe81de96acfcfd37732f18d96a0fc2d29c6b5aa367ade492b4f71978a2eb8c77

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Uses the InstallCore download manager to install additional potentially unwanted software which may include extensions such as DealPly and various toolbars.

Description:
This 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
11/24/2024 1:00:02 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.InstallCore.FC.Installer (M)
16.6.22.15

File size:
960.6 KB (983,624 bytes)

Product version:
1.2.5

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\users\{user}\appdata\local\temp\icreinstall_sudoku-68541-dp.exe

Digital Signature
Signed by:
Mode Beta (Fried Cookie Ltd)

Authority:
GlobalSign nv-sa

Valid from:
12/16/2015 2:37:06 PM

Valid to:
7/7/2016 6:06:18 PM

Subject:
CN=Mode Beta (Fried Cookie Ltd), O=Mode Beta (Fried Cookie Ltd), L=Tel Aviv, C=IL

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

Serial number:
112172B4C29D53526C8AFAEF1C4F6265E881

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:FCi46vIpWeGEvHstSIgFnM2MXLk03/hNcQQicg6pxiEW8:FrrwwXEvHstlgJM7k8DNcggxC8

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...
 
[+]

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

Code size:
39.5 KB (40,448 bytes)

The file icreinstall_sudoku-68541-dp.exe has been seen being distributed by the following URL.

http://www.sharefactorybundle.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

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)

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