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mkvtoolnix-unicode-2.9.5-setup.exe

The executable mkvtoolnix-unicode-2.9.5-setup.exe has been detected as malware by 3 anti-virus scanners. 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 download3.fyxm.net and multiple other hosts.
MD5:
8aac79de82e677ddb759347bd2dfe45f

SHA-1:
f5fb7f8495bac44064c19004e6e46fe497f0cf99

SHA-256:
80d888ebfa107473d025d877e27bf28770b9ed2c6336b69d168dc4580477071e

Scanner detections:
3 / 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:
4/25/2024 9:29:58 PM UTC  (today)

Scan engine
Detection
Engine version

Bkav FE
W32.Clodd82.Trojan
1.3.0.6185

McAfee
Artemis!A93C83177B5F
5600.6915

Reason Heuristics
Threat.Win.Reputation.IMP
16.12.2.8

File size:
4.7 MB (4,890,360 bytes)

File type:
Executable application (Win32 EXE)

Installer:
Nullsoft Install System

Common path:
C:\users\{user}\downloads\mkvtoolnix-unicode-2.9.5-setup.exe

File PE Metadata
Compilation timestamp:
3/27/2009 12:38:47 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.56

CTPH (ssdeep):
98304:DY4WBS2Wlc36aFiQnLNPSHF1XEvi94VwdR90fAntMBrrCEFy:DQBTWx+8HrXI24yT90fi8rBy

Entry address:
0x39B0

Entry point:
55, 89, E5, 57, 56, 53, 81, EC, 7C, 01, 00, 00, E8, 13, 4B, 00, 00, 83, EC, 0C, 68, 01, 80, 00, 00, E8, 76, 44, 00, 00, 6A, 00, E8, 4F, 4B, 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, 04, 4A, 00, 00, 83, EC, 0C, 68, A5, A2, 40, 00, 68, 68, 0D, 4A, 00, E8, 92, 2A, 00, 00, 83, C4, 18, E8, 3A, 44, 00, 00, 52, 52, 50, 68, 00, 30, 56, 00, E8, 7D, 2A, 00, 00, 57, 6A, 00, E8, F5, 42, 00, 00, 83...
 
[+]

Entropy:
7.9863  (probably packed)

Code size:
29.5 KB (30,208 bytes)

The file mkvtoolnix-unicode-2.9.5-setup.exe has been seen being distributed by the following 2 URLs.

http://download3.fyxm.net/7/.../mkvtoolnix-unicode-2.9.5-setup.exe

http://www.bunkus.org/videotools/mkvtoolnix/.../mkvtoolnix-unicode-2.9.5-setup.exe

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