icreinstall_bluetooth-stack-for-windows-by-toshiba.exe

UpdateStar GmbH

The installer utilizes InstallCore which may bundle about 3-4 offers for various ad-supported toolbars, extensions and utilities. The application icreinstall_bluetooth-stack-for-windows-by-toshiba.exe by UpdateStar GmbH has been detected as a potentially unwanted program by 14 anti-malware scanners. 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. It is also typically executed from the user's temporary directory. While running, it connects to the Internet address os.solvefile.com on port 80 using the HTTP protocol.
Publisher:
UpdateStar GmbH  (signed and verified)

MD5:
0e68b65fec7a3d5ea3d1355b4e51c412

SHA-1:
0c4332f65100ec14c1c5eaaa0768b155887e9b96

SHA-256:
377ba9796b6ddfde71ea764a6c8560ea4b70db3059233526dea180f9deaf5cfb

Scanner detections:
14 / 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.

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:
4/27/2024 12:33:24 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.InstallCore
7.1.1

Avira AntiVirus
7.11.127.58

Comodo Security
Application.Win32.InstallCore.AX
17677

Dr.Web
Adware.InstallCore.113
9.0.1.052

ESET NOD32
Win32/InstallCore.ES (variant)
8.9339

Malwarebytes
v2014.02.21.07

McAfee
Artemis!40C599D84F09
5600.7213

Qihoo 360 Security
Win32/Virus.Adware.94c
1.0.0.1015

Reason Heuristics
PUP.UpdateStarGmbH.s
14.2.21.7

Rising Antivirus
PE:Malware.XPACK-LNR/Heur!1.5594
23.00.65.14219

Sophos
Install Core Installer
4.97

Trend Micro House Call
TROJ_GEN.F47V0114
7.2.52

Vba32 AntiVirus
3.12.24.3

VIPRE Antivirus
Trojan.Win32.Generic
25820

File size:
663.6 KB (679,552 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore

Common path:
C:\users\{user}\appdata\local\temp\icreinstall_bluetooth-stack-for-windows-by-toshiba.exe

Digital Signature
Signed by:

Authority:
COMODO CA Limited

Valid from:
1/2/2013 1:00:00 AM

Valid to:
1/3/2016 12:59:59 AM

Subject:
CN=UpdateStar GmbH, O=UpdateStar GmbH, STREET=Hauptstraße 20, L=Berlin, S=Berlin, PostalCode=10827, C=DE

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
009ED227324380B40DDE36C8D31A33831F

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):
12288:9MJfsG4HfYwcCUI4XMzsoe8+MEGwg9ZzHRpvPOThHP49EYDycyMbegkYZwcZMEZC:9MJfs/Htcw4cAo1BRRHRpPKwpZe8wcZs

Entry address:
0x98CC

Entry point:
55, 8B, EC, 83, C4, CC, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, FA, 97, FF, FF, E8, 01, AA, FF, FF, E8, 2C, CC, FF, FF, E8, 73, CC, FF, FF, E8, 0A, F3, FF, FF, E8, 71, F4, FF, FF, 33, C0, 55, 68, 76, 9F, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 2C, 9F, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, B0, 40, 00, E8, 9B, FE, FF, FF, E8, 26, FA, FF, FF, 8D, 55, F0, 33, C0, E8, E0, D0, FF, FF, 8B, 55, F0, B8, D8, BD, 40, 00, E8, AB, 98, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, D8, BD, 40, 00, B2, 01, B8...
 
[+]

Code size:
36 KB (36,864 bytes)

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)

TCP (HTTP):
Connects to cdneu.webfilescdn.com  (65.254.40.36:80)