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toshiba-dvd-player.exe

Keresigase

UpdateStar GmbH

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application toshiba-dvd-player.exe, “Keresigase 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 www.updatestarcleandownloads.com.
Publisher:
UpdateStar GmbH  (signed and verified)

Product:
Keresigase

Description:
Keresigase Setup

Version:
1.8.3.5

MD5:
8b0a4d65def721104eeeec4430972b03

SHA-1:
662179e8c7af77bcd78897e4fc41bb031b224dbd

SHA-256:
279232c4764d3abc4005377af9974636640cbcb7e84a107b9c45691b829b9a8d

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:
12/27/2024 4:32:41 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore (M)
16.8.3.11

File size:
1007.5 KB (1,031,672 bytes)

Product version:
3.5.8

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\toshiba-dvd-player.exe

Digital Signature
Signed by:
UpdateStar GmbH

Authority:
GlobalSign nv-sa

Valid from:
1/8/2016 5:04:15 PM

Valid to:
3/6/2017 5:40:42 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 3:52:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:CvMilqrOBRliuyRmWMVQtCQai8Qr7y55sIxNuhLd:C0BrguR/MVvJQHy55HxgL

Entry address:
0xA5F8

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, CE, 8A, FF, FF, E8, D5, 9C, FF, FF, E8, 64, 9F, FF, FF, E8, 07, A0, FF, FF, E8, A6, BF, FF, FF, E8, 11, E9, FF, FF, E8, 78, EA, FF, FF, 33, C0, 55, 68, C9, AC, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 92, AC, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 26, F5, FF, FF, E8, 11, F1, FF, FF, 80, 3D, 34, B2, 40, 00, 00, 74, 0C, E8, 23, F6, FF, FF, 33, C0, E8, C4, 97, FF, FF, 8D, 55, F0, 33, C0, E8, B6, C5, FF, FF, 8B, 55...
 
[+]

Entropy:
7.9317

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

Code size:
39.5 KB (40,448 bytes)

The file toshiba-dvd-player.exe has been seen being distributed by the following URL.

http://www.updatestarcleandownloads.com/c?x=aFho3Sq4JTqlLeAl 7lv5f/kIEfAILOW5qOpf9rKFgE=&c=WgTurEBt6ibTq/biPddei/urvebs77o7OClGmKRcBbOlcy7pMUfHpuN JaaSRQNALkQ/8b70un7zgSNGTXx4 da6g4jHuOsuNQNpIU2vDXWSF6e5vC4V2V6c0ioaZDHSPGPsM7 dHDWawbWkruRIEHkbLuUMFn0aiRK8RjSom8MUeXm3ORyckHemiI/Yct&downloadAs=toshiba-dvd-player.exe&fallback_url=http://cdgenp01.csd.toshiba.com/content/support/.../os2010265a_TC00327000A.exe

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