updatestardrivers_en.exe

UpdateStar GmbH

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application updatestardrivers_en.exe by UpdateStar GmbH has been detected as a potentially unwanted program by 24 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. The file has been seen being downloaded from client.updatestar.com.
Publisher:
UpdateStar GmbH  (signed and verified)

MD5:
e486c9492af1a7ce3e24dddf4ac4d374

SHA-1:
73720da6cebc0ee1e0aa4a4d7ebb931d6523d8bd

SHA-256:
dfa3d496e5b23480af68ca8b1e8a7641d176fd3f54a0458961f9c9eabbe7b8da

Scanner detections:
24 / 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 an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
3/6/2021 12:11:08 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.InstallCore
7.1.1

Avira AntiVirus
7.11.134.240

avast!
Win32:Adware-gen [Adw]
2014.9-140621

AVG
MalSign.InstallC
2015.0.3436

Baidu Antivirus
Adware.Win32.InstallCore
4.0.3.14621

Comodo Security
Application.Win32.Installcore.UPT
18186

Dr.Web
Trojan.MulDrop5.10078
9.0.1.0172

Emsisoft Anti-Malware
Adware.Generic.552604
8.14.06.21.12

ESET NOD32
Win32/InstallCore.JE.gen (variant)
8.9502

Fortinet FortiGate
Riskware/InstallCore_JE
6/21/2014

IKARUS anti.virus
Win32.AdWare
t3scan.2.2.29

K7 AntiVirus
Unwanted-Program
13.176.11913

Malwarebytes
v2014.06.21.12

McAfee
RDN/Generic PUP.x!c2v
5600.7092

nProtect
Adware/W32.Agent.685056
14.03.05.01

Panda Antivirus
Trj/dtcontx.L
14.06.21.12

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

Reason Heuristics
PUP.UpdateStarGmbH.U
14.6.21.12

Rising Antivirus
PE:Malware.XPACK-LNR/Heur!1.5594
23.00.65.14619

Sophos
Install Core
4.97

Trend Micro House Call
TROJ_GEN.F47V0303
7.2.172

Trend Micro
ADW_INSTALLCORE
10.465.21

Vba32 AntiVirus
3.12.24.3

VIPRE Antivirus
Adware.Win32.InstallCore.ba
27094

File size:
669 KB (685,056 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Turkish (Turkey)

Digital Signature
Signed by:

Authority:
COMODO CA Limited

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

Valid to:
1/3/2016 1:59:59 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 1:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:7vptvVqpPXo+HrdkNuX3MmmJalSXGUhjvmWLVGozhj/OuP/th:7vXvV0ddkz82vJGozhj/3h

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...
 
[+]

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

Code size:
37 KB (37,888 bytes)

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

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