home

appcleaner_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 appcleaner_installer.exe by UpdateStar GmbH has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the installCore installer. The file has been seen being downloaded from download.pcwelt.de and multiple other hosts.
Publisher:
UpdateStar GmbH  (signed and verified)

MD5:
2080f4200ff1a73ac2d92cc661d22798

SHA-1:
846d71bb9b3278fafe7a34dc5d8057d7de71e7f1

SHA-256:
e717b4a152e1951565d90cd594868766146f57248bc9e1e37f317f7234fd5f15

Scanner detections:
1 / 68

Status:
Potentially unwanted

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is 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:
5/7/2024 6:02:38 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.UpdateStarGmbH.U
14.6.12.2

File size:
458.4 KB (469,424 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore

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

Digital Signature
Signed by:
UpdateStar GmbH

Authority:
COMODO CA Limited

Valid from:
1/2/2013 8:00:00 AM

Valid to:
1/3/2016 7:59:59 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:
6/4/2014 4:36:52 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
12288:fUL8qMy90fBr5ysXlhVwE8xwUazIesIHuM:fStWF5ysXlcE8xNPefH1

Entry address:
0xF3BE0

Entry point:
60, BE, 00, 50, 48, 00, 8D, BE, 00, C0, F7, FF, 57, 83, CD, FF, EB, 10, 90, 90, 90, 90, 90, 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...
 
[+]

Entropy:
7.9126

Packer / compiler:
UPX 2.90LZMA]

Code size:
444 KB (454,656 bytes)

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

http://download.pcwelt.de/area_release/files/7A/E9/.../AppCleaner_31_installer.exe

http://dl.cdn.chip.de/downloads/.../AppCleaner_installer_3.0.exe

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

Remove appcleaner_installer.exe - Powered by Reason Core Security
herdProtect is a second line of defense malware removal platform powered by 68 anti-malware engines in the cloud. Since no single anti-malware program is perfect 100% of the time, herdProtect utilizes a 'herd' of multiple engines to guarantee the widest coverage and the earliest possible detection.