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mkvtoolnix-unicode-3.4.0-setup.exe

MKVtoolnix

Moritz Bunkus

The executable mkvtoolnix-unicode-3.4.0-setup.exe has been detected as malware by 1 anti-virus scanner. The program is a setup application that uses the Nullsoft Install System installer, however the file is not signed with an authenticode signature from a trusted source. The file has been seen being downloaded from mkvtoolnix.download and multiple other hosts.
Publisher:
Moritz Bunkus

Product:
MKVtoolnix

Description:
MKVtoolnix 3.4.0

Version:
3.4.0

MD5:
def037d4c9bb4e9107fbda27ea189e6b

SHA-1:
26da08524323e46363b83eaa998e7dc33326f703

SHA-256:
8d999931faf3195dc9da21c710eb7558b4358621e20961d33ebd9a77428b9d93

Scanner detections:
1 / 68

Status:
Malware

Explanation:
This is part of the Crossrider Internet browser extension framework which may modify the user's web browser settings including changing the home and search pages.

Note:
Crossrider is the owner of a platform that enables the creation of cross-browser extensions by developers but is not the owner of this detected application.

Analysis date:
4/24/2024 1:03:25 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Threat.Win.Reputation.IMP
16.11.30.4

File size:
5.5 MB (5,818,702 bytes)

Product version:
3.4.0

Copyright:
Moritz Bunkus http://www.bunkus.org/videotools/mkvtoolnix/

File type:
Executable application (Win32 EXE)

Installer:
Nullsoft Install System

Language:
English (United States)

Common path:
C:\users\{user}\downloads\mkvtoolnix-unicode-3.4.0-setup.exe

File PE Metadata
Compilation timestamp:
1/21/2010 4:42:53 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.56

CTPH (ssdeep):
98304:z4YVw8940soJDnJkkewxtlpPZPaz3SyEbFmtUWIeJYBgHRR+dy4d1PK3Ohu00eiF:z4OXNsoJDnJVtFp4z3laKY8RR+USieX0

Entry address:
0x39B0

Entry point:
55, 89, E5, 57, 56, 53, 81, EC, 7C, 01, 00, 00, E8, 93, 46, 00, 00, 83, EC, 0C, 68, 01, 80, 00, 00, E8, 3E, 43, 00, 00, 6A, 00, E8, A7, 46, 00, 00, A3, 88, 0C, 4A, 00, 6A, 08, E8, 72, 28, 00, 00, A3, 38, 0D, 4A, 00, 8D, 85, 90, FE, FF, FF, 6A, 00, 68, 60, 01, 00, 00, 50, 6A, 00, 68, A4, A2, 40, 00, E8, EC, 45, 00, 00, 83, EC, 0C, 68, A5, A2, 40, 00, 68, 68, 0D, 4A, 00, E8, 92, 2A, 00, 00, 83, C4, 18, E8, FA, 42, 00, 00, 52, 52, 50, 68, 00, 30, 56, 00, E8, 7D, 2A, 00, 00, 57, 6A, 00, E8, 4D, 42, 00, 00, 83...
 
[+]

Entropy:
7.9896  (probably packed)

Code size:
28.5 KB (29,184 bytes)

The file mkvtoolnix-unicode-3.4.0-setup.exe has been seen being distributed by the following 3 URLs.

https://mkvtoolnix.download/windows/releases/.../?path=&download=mkvtoolnix-unicode-3.4.0-setup.exe

http://www.datafilehost.com/get.php?file=fb67dc05

http://www.bunkus.org/videotools/mkvtoolnix/.../mkvtoolnix-unicode-3.4.0-setup.exe

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