updatestardriverslb_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 updatestardriverslb_en.exe by UpdateStar GmbH has been detected as a potentially unwanted program by 23 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:
6f9d5b7cda03282011762e37a4fbcc0e

SHA-1:
3ee1c98f06eda33e229df82a5f86789c496f524c

SHA-256:
82f536a7e9a946e5378badc7cc58611011e7154a392143c8748112a0995e82b3

Scanner detections:
23 / 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 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
3/6/2021 1:46:58 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Trojan.Heur2.GZ.PGZ@bqkIzwki
1020

Agnitum Outpost
Trojan.MulDrop
7.1.1

Avira AntiVirus
7.11.144.142

AVG
MalSign.InstallC
2015.0.3498

Baidu Antivirus
Adware.Win32.InstallCore
4.0.3.14420

Bitdefender
Gen:Trojan.Heur2.GZ.PGZ@bqkIzwki
1.0.20.550

Comodo Security
Application.Win32.InstallCore.BWAN
18138

Dr.Web
Trojan.MulDrop5.10078
9.0.1.0110

Emsisoft Anti-Malware
Gen:Trojan.Heur2.GZ.PGZ@bqkIzwki
8.14.04.20.02

ESET NOD32
Win32/InstallCore.LX (variant)
8.9701

Fortinet FortiGate
Riskware/InstallCore
4/20/2014

F-Secure
Gen:Trojan.Heur2.GZ.PGZ@bqkIzwki
11.2014-20-04_1

G Data
Gen:Trojan.Heur2.GZ.PGZ@bqkIzwki
14.4.24

IKARUS anti.virus
Trojan.Win32.Spy2
t3scan.1.6.1.0

K7 AntiVirus
Unwanted-Program
13.176.11806

Malwarebytes
v2014.04.20.02

McAfee
Artemis!6F9D5B7CDA03
5600.7154

MicroWorld eScan
Gen:Trojan.Heur2.GZ.PGZ@bqkIzwki
15.0.0.330

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

Reason Heuristics
PUP.UpdateStarGmbH.W
14.4.20.14

Sophos
Install Core Installer
4.98

Trend Micro House Call
TROJ_GEN.F47V0408
7.2.110

VIPRE Antivirus
Adware.Win32.InstallCore.ba
28430

File size:
668.1 KB (684,088 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\users\{user}\downloads\updatestardriverslb_en.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):
12288:0EnvpPgfwvLYDZtzRgNoU+9qu9OToO6bXUk+t3Nbsd2T33v3ldbrT:0EnvtiwTYDZtzWoL9qmOsOn9Ad2T33v3

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 updatestardriverslb_en.exe has been seen being distributed by the following URL.

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