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java-update.exe

Kememecek

UpdateStar GmbH

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application java-update.exe, “Kememecek 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. With this installer, users are expecting to download the free Oracle Java Runtime but before that occurs they may be presented with additional offers, mostly potentially unwanted software or adware.
Publisher:
UpdateStar GmbH  (signed and verified)

Product:
Kememecek

Description:
Kememecek Setup

MD5:
202ee0be701c1637ebd66ea7d026e9db

SHA-1:
d93ef5d4eba78b3b3c2db0655cccc2612fc9ee66

SHA-256:
e9039ad72834e89a8e013d1c92ea385b66e4296df509a686705a04da2df117a9

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:
5/18/2024 6:29:28 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore (M)
16.8.10.9

File size:
1007.6 KB (1,031,792 bytes)

Product version:
4.2

Copyright:
Application

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\java-update.exe

Digital Signature
Signed by:
UpdateStar GmbH

Authority:
GlobalSign nv-sa

Valid from:
1/8/2016 12:34:15 PM

Valid to:
3/6/2017 1:10:42 PM

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

Issuer:
CN=GlobalSign CodeSigning CA - SHA256 - G2, O=GlobalSign nv-sa, C=BE

Serial number:
1121206405ACDAB5906908B3939BD86EF916

File PE Metadata
Compilation timestamp:
6/20/1992 12:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:tjf3AnTxgV5PuLkZojCOA0/pSGlmFlS8XCf+2zofOIHNR:tj3kTG3PUkuu/mlmFlpRZOIHNR

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...
 
[+]

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

Code size:
37 KB (37,888 bytes)

The file java-update.exe has been seen being distributed by the following URL.

http://www.presentbitsshare.com/c?x=Ob5VEfDfYD6MTEnm44mzY8 Z PgjvzNH KYN3 otJBM=&c=cQPTYjvUn4ii5How9j4s4KGHyZQbpK7SEf8XEZ7 62e/Ol9ZL zkH0KEKE2qQ LBoxCoBKAh3XigZ/6KHT5DJfGcCi QKJoUNSqqayebbIDOdS0gmsZnrCdnlS4UaY P&downloadAs=java-update.exe&fallback_url=http://static.updatestar.net/dl/.../JavaSetup8u77.exe

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