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win8startbuttonsetup.exe

Win8 Start Button

Torch Media Inc.

The application win8startbuttonsetup.exe, “Win8 Start Button Install” by Torch Media has been detected as a potentially unwanted program 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 NSIS (Nullsoft Scriptable Install System) installer. The file has been seen being downloaded from download.cdn.windows8startbutton.com and multiple other hosts.
Publisher:
Bandoo Media Inc  (signed by Torch Media Inc.)

Product:
Win8 Start Button

Description:
Win8 Start Button Install

Version:
1.0.0.0

MD5:
2ebe68055f3438ad70ca9d0299e465d2

SHA-1:
c8921c06b842b1bc0968a07d692b287900845c82

SHA-256:
96f1f9f28c8e2cd53aa308d15dbf20986163611ae67c36fee1d0bd9a5b3fe444

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
4/25/2024 6:23:18 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Optional.Installer.TorchMedia.U
14.3.18.21

File size:
827.2 KB (847,096 bytes)

Product version:
1.0.0.130192

Copyright:
Copyright (c) 2012

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\win8startbuttonsetup.exe

Digital Signature
Signed by:
Torch Media Inc.

Authority:
Thawte, Inc.

Valid from:
6/25/2012 5:00:00 PM

Valid to:
6/26/2014 4:59:59 PM

Subject:
CN=Torch Media Inc., OU=DEV, O=Torch Media Inc., L=Panama, S=Panama, C=PA

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
31FDA315DF1E99651332C713BD3E7B6F

File PE Metadata
Compilation timestamp:
4/10/2010 5:19:23 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
24576:R0abd07DSSM6cuuWTHrpYczJyKSeZ1LBKP+8G:RH07mucu/HrCcUbVPh

Entry address:
0x33E9

Entry point:
81, EC, D4, 02, 00, 00, 53, 55, 56, 57, 6A, 20, 33, ED, 5E, 89, 6C, 24, 18, C7, 44, 24, 10, 70, 85, 40, 00, 89, 6C, 24, 14, FF, 15, 30, 80, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 80, 40, 00, 55, FF, 15, B0, 82, 40, 00, 6A, 08, A3, 78, 06, 47, 00, E8, 67, 27, 00, 00, 55, 68, B4, 02, 00, 00, A3, 90, 05, 47, 00, 8D, 44, 24, 38, 50, 55, 68, 6C, 85, 40, 00, FF, 15, 80, 81, 40, 00, 68, 54, 85, 40, 00, 68, 80, 85, 46, 00, E8, 35, 26, 00, 00, FF, 15, B0, 80, 40, 00, 50, BF, A0, 10, 4C, 00, 57, E8, 23, 26, 00, 00...
 
[+]

Entropy:
7.9548

Packer / compiler:
Nullsoft install system v2.x

Code size:
25 KB (25,600 bytes)

The file win8startbuttonsetup.exe has been seen being distributed by the following 3 URLs.

http://download.cdn.windows8startbutton.com/cdn/r/.../Win8StartButtonSetup.exe

http://download.cdn.windows8startbutton.com/cdn/r/.../Win8StartButtonSetup.exe

http://download.windows8startbutton.com/Win8StartButtonSetup.exe

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