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webde_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 webde_updatestardrivers.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 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 download.web.de and multiple other hosts.
Publisher:
UpdateStar GmbH  (signed and verified)

MD5:
047546903eeef39c3639bb25b90f941e

SHA-1:
a4d541dd2b81b2366b220a4308f8ec9d9cae83de

SHA-256:
7dadb286948dc7945204f0fb0cf2c57c32178b544bd38b6db2f1701b9b13b262

Scanner detections:
3 / 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:
12/29/2024 8:43:31 AM UTC  (today)

Scan engine
Detection
Engine version

Baidu Antivirus
Adware.Win32.InstallCore
4.0.3.15216

Dr.Web
Adware.Downware.2085
9.0.1.047

Reason Heuristics
PUP.UpdateStarGmbH
15.2.16.9

File size:
142.5 KB (145,872 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Nullsoft Install System)

Common path:
C:\users\{user}\downloads\webde_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:vweqOYEUXPnt45nJiEbB4I9yyyyAER1TXEI:4EUXVMw6aI0yyyAEPX

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...
 
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Packer / compiler:
Nullsoft install system v2.x

Code size:
28 KB (28,672 bytes)

The file webde_updatestardrivers.exe has been seen being distributed by the following 4 URLs.

http://download.web.de/.../webde_updatestardrivers.exe

http://download.web.de/updatestar/.../webde_updatestardrivers.exe#.WEBDEUpdateStarDrivers-PCGRATISauffehlerhafteTreiberuntersuchen.hero.1

http://download.web.de/updatestar/.../webde_updatestardrivers.exe

http://download.web.de/updatestar/.../webde_updatestardrivers.exe#.UpdateStarDrivers-GratisGertetreiber-Check.hero.1

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