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updatestardrivers.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.exe by UpdateStar GmbH has been detected as a potentially unwanted program by 2 anti-malware scanners. The program is a setup application that uses the installCore installer. The file has been seen being downloaded from cdn.updatestardelivery.com and multiple other hosts.
Publisher:
UpdateStar GmbH  (signed and verified)

MD5:
f52badbb173326c8aafb4b2a48ade690

SHA-1:
38eff5a8e74ee04b7db536ce9b04159fccbe1632

SHA-256:
eab4421a200575c4ff632a953f6bb8845d9204bb62322db14bed45bce6c2bbca

Scanner detections:
2 / 68

Status:
Potentially unwanted

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:
4/27/2024 12:15:23 AM UTC  (today)

Scan engine
Detection
Engine version

Dr.Web
Adware.Downware.2085
9.0.1.079

Reason Heuristics
PUP.UpdateStarGmbH.R
14.3.20.12

File size:
142.6 KB (145,992 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Nullsoft Install System)

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

Digital Signature
Signed by:
UpdateStar GmbH

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:
2/24/2012 8:19:59 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
3072:lweqOYEUXPnl45ntI/TO1be/jHE6/uxxIFZo6RPZ:KEUXNMtmZZFZo6Rh

Entry address:
0x39E3

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, D8, 91, 40, 00, 89, 6C, 24, 14, FF, 15, 30, 80, 40, 00, 68, 01, 80, 00, 00, FF, 15, B8, 80, 40, 00, 55, FF, 15, C0, 82, 40, 00, 6A, 08, A3, B8, 2E, 47, 00, E8, 37, 2A, 00, 00, 55, 68, B4, 02, 00, 00, A3, D0, 2D, 47, 00, 8D, 44, 24, 38, 50, 55, 68, 1C, 93, 40, 00, FF, 15, 84, 81, 40, 00, 68, 04, 93, 40, 00, 68, C0, AD, 46, 00, E8, 19, 27, 00, 00, FF, 15, B4, 80, 40, 00, 50, BF, A0, 30, 4C, 00, 57, E8, 07, 27, 00, 00...
 
[+]

Entropy:
7.4662

Packer / compiler:
Nullsoft install system v2.x

Code size:
28 KB (28,672 bytes)

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

http://cdn.updatestardelivery.com/?ic_user_id=812

http://cdn.updatestarcontent.com/?ic_user_id=812

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

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