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mkvmerge_gui_4.exe

Tolaracol

Quality Install (Alpha Criteria Ltd.)

The application mkvmerge_gui_4.exe, “Tolaracol Setup ” by Quality Install (Alpha Criteria) has been detected as adware 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 setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from www.appssignbundle.com.
Publisher:
Gesuk   (signed by Quality Install (Alpha Criteria Ltd.))

Product:
Tolaracol

Description:
Tolaracol Setup

MD5:
f00287541be34bbdb1e9c42a6fdac91b

SHA-1:
55bde6b88bb77d53148325876269ce19851cb16f

SHA-256:
c9a7a69cc95fa6f46935a87d4e69a0456db41ac5fa3662ac415d85bcd17190ea

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Uses the InstallCore download manager to install additional potentially unwanted software which may include extensions such as DealPly and various toolbars.

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:
4/10/2025 8:55:36 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.InstallCore.AC (M)
16.7.20.21

File size:
941.2 KB (963,808 bytes)

Product version:
5.7

Copyright:
Stub

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\mkvmerge_gui_4.exe

Digital Signature
Signed by:
Quality Install (Alpha Criteria Ltd.)

Authority:
GlobalSign nv-sa

Valid from:
1/6/2016 8:14:15 PM

Valid to:
8/4/2016 9:59:05 PM

Subject:
CN=Quality Install (Alpha Criteria Ltd.), O=Quality Install (Alpha Criteria Ltd.), L=Tel Aviv, C=IL

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

Serial number:
1121BA484E4C31175E4A844ED055428DEC42

File PE Metadata
Compilation timestamp:
6/20/1992 5:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:B77lXzrOd0KGPeI5MHCHtwysk7A9AIZpulmYmdP1c33SjeP3:B7ZDyqPTKCtZs0A9Al6dP1mSi/

Entry address:
0xAA98

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, 2E, 86, FF, FF, E8, 35, 98, FF, FF, E8, 9C, 9B, FF, FF, E8, B7, 9F, FF, FF, E8, 56, BF, FF, FF, E8, ED, E8, FF, FF, E8, 54, EA, FF, FF, 33, C0, 55, 68, 69, B1, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 32, B1, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, D0, 40, 00, E8, 26, F5, FF, FF, E8, 11, F1, FF, FF, 80, 3D, 34, C2, 40, 00, 00, 74, 0C, E8, 23, F6, FF, FF, 33, C0, E8, 24, 93, FF, FF, 8D, 55, F0, 33, C0, E8, 66, C5, FF, FF, 8B, 55...
 
[+]

Entropy:
7.9335

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

Code size:
40.5 KB (41,472 bytes)

The file mkvmerge_gui_4.exe has been seen being distributed by the following URL.

http://www.appssignbundle.com/c?x=5bi5ly3HXoMbx/xzo95yZBaixls8uKpO9Hxdj mWXbo=&c=oeKS7g1eQMDevOWTAEn0gnj3kLITsj YtOdpyf4u37Xh 0LecYU9vNW8J CTknuX69epxRb9c66a3ZW7AEOGXl5u9cJJa9BHK5O280NKnrzLGho tjI3 o z1IvfLpDb&downloadAs=Mkvmerge_GUI_4.exe&fallback_url=https://s03.solidfilesusercontent.com/NjhhM2Q0ZTkwNWYwODYwNjk4ZjQ1ZWY0NmM2NmI5ZGZkZTEzZGYzMToxYlBnaXE6ZmFsVUdLLUxaYzVJU2lwVmlQRUwwbUZ1aVk4/.../Mkvmerge_GUI_4.rar

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