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updatestar_enu_installer.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 updatestar_enu_installer.exe by UpdateStar GmbH has been detected as a potentially unwanted program by 3 anti-malware scanners. The program is a setup application that uses the installCore installer. The file has been seen being downloaded from client.updatestar.com.
Publisher:
UpdateStar GmbH  (signed and verified)

MD5:
4c5b3d804ea8aa90d1df75b8330022e1

SHA-1:
8350c5e4e5ce990482230dcd808d3020b722436c

SHA-256:
cc25709e6bfbd5e8ed8a7b2bdb4ce65d1a0fba25af8db9759c757da22a3bbe18

Scanner detections:
3 / 68

Status:
Potentially unwanted

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:
4/20/2024 9:56:13 AM UTC  (today)

Scan engine
Detection
Engine version

AVG
MalSign.InstallC
2015.0.3505

Reason Heuristics
PUP.UpdateStarGmbH.Y
14.2.16.9

Trend Micro House Call
TROJ_GEN.F47V0823
7.2.361

File size:
462.1 KB (473,144 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore

Digital Signature
Signed by:
UpdateStar GmbH

Authority:
COMODO CA Limited

Valid from:
1/2/2013 3:00:00 AM

Valid to:
1/3/2016 2:59:59 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:
7/22/2013 11:53:48 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
12288:stdI/MMKnSRJjA7BiFzQ7r0WhfJ5Vp7b6YzTQesiqXGeQj/lGYk7Pa:sti/UnSbRFWhx5Vp7OYzTQesf0j/JO

Entry address:
0x100E00

Entry point:
60, BE, 00, 20, 49, 00, 8D, BE, 00, F0, F6, FF, 57, EB, 0B, 90, 8A, 06, 46, 88, 07, 47, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 72, ED, B8, 01, 00, 00, 00, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, 01, DB, 73, 0B, 75, 28, 8B, 1E, 83, EE, FC, 11, DB, 72, 1F, 48, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, EB, D4, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C9, EB, 52, 31, C9, 83, E8, 03, 72, 11, C1, E0, 08, 8A, 06, 46, 83, F0, FF, 74, 75, D1, F8, 89, C5, EB, 0B, 01, DB, 75, 07, 8B...
 
[+]

Entropy:
7.9021

Packer / compiler:
UPX v0.89.6 - v1.02 / v1.05 -v1.24

Code size:
448 KB (458,752 bytes)

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

http://client.updatestar.com/files/.../UpdateStar_ENU_installer.exe

Remove updatestar_enu_installer.exe - Powered by Reason Core Security
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