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brothersoft_downloader_for_ms_dos.exe

Installer Web

KORAM GAMES LIMITED

The application brothersoft_downloader_for_ms_dos.exe, “Installer Web Setup ” by KORAM GAMES LIMITED has been detected as a potentially unwanted program by 7 anti-malware scanners. The program is a setup application that uses the Inno Setup installer. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. The file has been seen being downloaded from downloaderfile.brothersoft.com and multiple other hosts.
Publisher:
KORAM GAMES LIMITED  (signed and verified)

Product:
Installer Web

Description:
Installer Web Setup

MD5:
5aa3e1c66f8368ae0cd78b3a816ebcdc

SHA-1:
74237641c4a1820022db68cefde086eeb06a3cfe

SHA-256:
e824d11514f4abb79d3ab2f5b6d5c87cafcbdf34d99cd919b2b4dd58510cd1b9

Scanner detections:
7 / 68

Status:
Potentially unwanted

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

Analysis date:
4/18/2024 7:23:52 PM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
Adware/InstallCo.zlf
7.11.198.178

AVG
Generic
2016.0.3224

Dr.Web
Trojan.InstallCore.38
9.0.1.020

ESET NOD32
Win32/InstallCore.UE (variant)
9.10941

K7 AntiVirus
Unwanted-Program
13.188.14484

Reason Heuristics
PUP.Optional.Installer
15.1.20.11

VIPRE Antivirus
Brothersoft Downloader
36192

File size:
724.8 KB (742,240 bytes)

Product version:
4.7

File type:
Executable application (Win32 EXE)

Installer:
Inno Setup

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

Digital Signature
Signed by:
KORAM GAMES LIMITED

Authority:
VeriSign, Inc.

Valid from:
1/10/2014 8:00:00 AM

Valid to:
2/9/2017 7:59:59 AM

Subject:
CN=KORAM GAMES LIMITED, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=KORAM GAMES LIMITED, L=HongKong, S=HongKong, C=HK

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
53B6BD34F6B702DEC3C291D72E678EEF

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

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:Av8gpY6RgpiOx+SdOy9bXjvKrbHIr2rj3kQlP6ohAblW/EHBz5YbU08NokqF0tvR:AUgC6Rgpx+YNXW3GSzP6VmEhF0ZhFg4E

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:
7.8959

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

Code size:
37 KB (37,888 bytes)

The file brothersoft_downloader_for_ms_dos.exe has been seen being distributed by the following 5 URLs.

http://downloaderfile.brothersoft.com/cache/brothersoft/1412843914/.../Brothersoft_downloader_For_MS_DOS.exe

http://downloaderfile.brothersoft.com/wind_down.php?url=http://files.brothersoft.com/utilities/.../ms-dos.exe&name=MS-DOS&soft=226177

http://files.brothersoft.com/utilities/.../ms-dos.exe

http://ppdjs.brothersoft.com/d.php?soft_id=226177&url=http://files.brothersoft.com/utilities/.../ms-dos.exe&name=MS-DOS

http://www.brothersoft.com/d.php?soft_id=226177&url=http://files.brothersoft.com/utilities/.../ms-dos.exe&name=MS-DOS

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