BSdownloader.exe

BSdownloader Module

KORAM GAMES LIMITED

The application BSdownloader.exe by KORAM GAMES LIMITED has been detected as a potentially unwanted program by 8 anti-malware scanners. According to AVG, this software downloads additional adware offers during setup. The file has been seen being downloaded from ekitanekusupuresu.brothersoft.jp.
Publisher:
KORAM GAMES LIMITED  (signed and verified)

Product:
BSdownloader Module

Version:
1, 0, 0, 3

MD5:
c70a514aa6dfb9f0703e409192940f14

SHA-1:
44bdda597751c67de94d308f100d3ddad2738638

SHA-256:
4e3e567903c8c0b7a5065b957aabd6c08398848ec50b772076a3648e2cf82a09

Scanner detections:
8 / 68

Status:
Potentially unwanted

Analysis date:
4/19/2024 9:26:56 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Riskware.BSDownloader
7.1.1

AVG
Downloader
2015.0.3505

ESET NOD32
Win32/BSDownloader (variant)
8.9670

F-Prot
W32/Agent.TR.gen
v6.4.7.1.166

Malwarebytes
PUP.Optional.BSDownloader
v2014.04.14.04

NANO AntiVirus
Riskware.Win32.BrotherSoft.cvlwba
0.28.0.59048

Reason Heuristics
PUP.Optional.KORAMGAMESLIMITED.M
14.4.14.4

VIPRE Antivirus
Trojan.Win32.Generic
28202

File size:
658.2 KB (673,984 bytes)

Product version:
1, 0, 0, 3

Copyright:
Copyright 2011

Original file name:
BSdownloader.exe

File type:
Executable application (Win32 EXE)

Language:
English (United States)

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

Digital Signature
Authority:
VeriSign, Inc.

Valid from:
1/9/2014 7:00:00 PM

Valid to:
2/8/2017 6:59:59 PM

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:
3/27/2013 11:24:33 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
12288:GZ5vrSGq8r8bH12zt9kIl7lVTMtmx+s9Er2cDsFr+ZiltVBOlvVG7gBllggGW5Hr:GT3lYb8zIXYrFrFsSQdrVxjeU

Entry address:
0x7C6EB

Entry point:
E8, 05, 05, 00, 00, E9, 37, FD, FF, FF, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, 57, 56, 55, 33, FF, 33, ED, 8B, 44, 24, 14, 0B, C0, 7D, 15, 47, 45, 8B, 54, 24, 10, F7, D8, F7, DA, 83, D8, 00, 89, 44, 24, 14, 89, 54, 24, 10, 8B, 44, 24, 1C, 0B, C0, 7D, 14, 47, 8B, 54, 24, 18, F7, D8, F7, DA, 83, D8, 00, 89, 44, 24, 1C, 89, 54, 24, 18, 0B, C0, 75, 28, 8B, 4C, 24, 18, 8B, 44, 24, 14, 33, D2, F7, F1, 8B, D8, 8B, 44, 24, 10, F7, F1, 8B, F0, 8B, C3, F7, 64, 24, 18, 8B, C8, 8B, C6, F7, 64, 24, 18, 03, D1, EB...
 
[+]

Entropy:
6.6865

Code size:
503.5 KB (515,584 bytes)

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

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