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bi_downloader.exe

The application bi_downloader.exe, “Powered by BetterInstaller” has been detected as a potentially unwanted program by 8 anti-malware scanners. The program is a setup application that uses the Somoto BetterInstaller installer, however the file is not signed with an authenticode signature from a trusted source. Includes the Somoto BetterInstaller, an adware installer that will bundle offers for additional third party applications, mostly adware toolbars, with legitimate softare and may be installed without adequate user consent.
Description:
Powered by BetterInstaller

Version:
1.2.0.0

MD5:
fb937dc853312f620080eff6ff25b9a3

SHA-1:
48e299d74ecd7fb658e83a903bb0a3377f8a8666

SHA-256:
267dce13a4f087f2f47c6855b142a07b1e81c3714a780af61784a1cc0e2f7b89

Scanner detections:
8 / 68

Status:
Potentially unwanted

Explanation:
Uses the Somoto 'BetterInstaller' to bundle additional (unwanted) software during install without adequate consent.

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:
12/25/2024 12:13:19 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
APPL/Somoto.Gen2
7.11.122.216

avast!
Win32:Somoto-B [PUP]
2014.9-131224

Dr.Web
Adware.Somoto.8
9.0.1.0358

ESET NOD32
Win32/Somoto (variant)
7.9235

F-Prot
W32/SomotoBetterInstaller.A
v6.4.7.1.166

Malwarebytes
PUP.Optional.Somoto
v2013.12.24.06

Sophos
Somoto BetterInstaller
4.96

VIPRE Antivirus
BetterInstaller
24946

File size:
123.3 KB (126,263 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Somoto BetterInstaller (using Nullsoft Install System)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\bi_downloader.exe

File PE Metadata
Compilation timestamp:
12/6/2009 12:50:46 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
3072:3QIURTXJahM7VWU7+P1Q1oxPwkJWZPlX8qHQ:3sshTI+PDxPw3VQ

Entry address:
0x323C

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 30, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 58, 3F, 42, 00, E8, 09, 2C, 00, 00, A3, A4, 3E, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 58, F4, 41, 00, FF, 15, 58, 71, 40, 00, 68, B8, 91, 40, 00, 68, A0, 36, 42, 00, E8, BC, 28, 00, 00, FF, 15, B0, 70, 40, 00, BF, 00, 90, 42, 00, 50, 57, E8, AA, 28, 00, 00...
 
[+]

Entropy:
7.7697

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

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

http://installercdn.filebulldog.com/.../bi_downloader.exe

Remove bi_downloader.exe - Powered by Reason Core Security
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