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updatestar.exe

Internet

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.exe, “Internet Setup ” 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 cdn.completebinariespool.com.
Publisher:
Installer Generic   (signed by UpdateStar GmbH)

Product:
Internet

Description:
Internet Setup

Version:
5.4.4.5

MD5:
9dcec9c168cbb60c0037285f153486c9

SHA-1:
7ea3331ed81da1a4529fa646b8c13246411bb0ed

SHA-256:
e0feec25366e1c5085496ef5b752ba3e1d53ca5edbbd1ba4a73ee7eff477ccd6

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 '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:
12/26/2024 2:38:32 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.UpdateSt.Installer (M)
16.3.30.18

File size:
860.2 KB (880,832 bytes)

Product version:
3.2

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

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

Digital Signature
Signed by:
UpdateStar GmbH

Authority:
GlobalSign nv-sa

Valid from:
2/3/2015 7:10:42 AM

Valid to:
2/4/2016 7:10:42 AM

Subject:
CN=UpdateStar GmbH, O=UpdateStar GmbH, L=Berlin, S=Berlin, C=DE

Issuer:
CN=GlobalSign CodeSigning CA - G2, O=GlobalSign nv-sa, C=BE

Serial number:
112124922D3C2654755777EEC500C21F7151

File PE Metadata
Compilation timestamp:
6/19/1992 6:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:cW9CujveEW96tpCBI61zuoXtaarH5mTYK8NT+:ckjjy96m1zLJ3q

Entry address:
0x9C40

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, 86, 94, FF, FF, E8, 8D, A6, FF, FF, E8, 1C, A9, FF, FF, E8, 53, C9, FF, FF, E8, 9A, C9, FF, FF, E8, C9, F2, FF, FF, E8, 30, F4, FF, FF, 33, C0, 55, 68, FC, A2, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, C5, A2, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 96, FE, FF, FF, E8, C9, FA, FF, FF, 8D, 55, F0, 33, C0, E8, 83, CF, FF, FF, 8B, 55, F0, B8, 24, CE, 40, 00, E8, 32, 95, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, 24, CE...
 
[+]

Entropy:
7.9105

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
37 KB (37,888 bytes)

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

http://cdn.completebinariespool.com/c?x=4pvNBQyGPydd0hXgzSet8TKOpGrbN0GkGF48ZDoEOxA=&c=pW8uWO7NTmZH19OcDs2HmTkXocZGQ1y4Ym/1RhevA7HjmTUG4VKpxyxCRfs5oOt6Wvo1yUXGmVA2WRaNs0JzDb141Saxu5KbDOoO0ivygQ2yqym5Nrh5rjRKMemJ3Ry6nMmF7 EKe70J987ygtFw6A==&fallback_url=http://static.updatestar.net/dl/.../updatestar/UpdateStar_ENU.msi&downloadAs=updatestar.exe

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