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usonlinebackup64_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 usonlinebackup64_enu_installer.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 client.updatestar.com.
Publisher:
UpdateStar GmbH  (signed and verified)

MD5:
4bf503153820acfc997b903d208f041b

SHA-1:
523654660725c1de2224c25fc4555846ba9393c6

SHA-256:
b68dd83a9d11dc01127e4d43ed10dd2f5b8bce8c9bac395e6511b0383e0c21ec

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:
12/23/2024 7:38:33 AM UTC  (today)

Scan engine
Detection
Engine version

Dr.Web
Adware.Downware.4763
9.0.1.028

Reason Heuristics
PUP.UpdateStarGmbH
15.1.28.14

File size:
458.4 KB (469,424 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore

Common path:
C:\users\{user}\downloads\usonlinebackup64_enu_installer.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:
6/4/2014 10:36:52 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
12288:jUL8qMy90fBr5ysXlhVwE8xwUazIesImH:jStWF5ysXlcE8xNPe1q

Entry address:
0xF3BF0

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:
7.9127

Packer / compiler:
UPX 2.90LZMA

Code size:
444 KB (454,656 bytes)

The file usonlinebackup64_enu_installer.exe has been seen being distributed by the following URL.

http://client.updatestar.com/files/.../usonlinebackup64_ENU_installer.exe

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