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m4yf2kig.exe

terraria

Download Assistant

This is part of the Air Installer, a download manager which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The application m4yf2kig.exe by Download Assistant 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 AirInstaller Download Manager installer. It is also typically executed from the user's temporary directory. The file has been seen being downloaded from download.download-405.com.
Publisher:
Download Assistant  (signed and verified)

Product:
terraria

Version:
3.0.0.129

MD5:
e8aca34fb6e7ab5dd421bec2078c617e

SHA-1:
7be1a9083d361ccb78a1642ac4e32191fbce1d59

SHA-256:
ff6c8fc3eabd14388bffb1af044cb711f13eb7acad69526fdf5950bbbe79505e

Scanner detections:
1 / 68

Status:
Adware

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:
11/5/2024 12:54:48 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software.Download.Bundler (M)
16.4.29.8

File size:
1.1 MB (1,134,176 bytes)

Product version:
3.0.0.129

Copyright:
(c) Download Assistant

File type:
Executable application (Win32 EXE)

Bundler/Installer:
AirInstaller Download Manager

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\m4yf2kig.exe

Digital Signature
Signed by:
Download Assistant

Authority:
Symantec Corporation

Valid from:
7/27/2015 7:00:00 PM

Valid to:
7/27/2016 6:59:59 PM

Subject:
CN=Download Assistant, O=Download Assistant, L=Victoria, S=British Columbia, C=CA

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
5AB0D4FBB68E66252A764F6A8E02A8ED

File PE Metadata
Compilation timestamp:
1/30/2013 8:21:56 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:7xG3ANVtg2pJjtqpII8Vqs4GWm6bQr3dOU2heerw4Y:00q8RtzIVhDFw4Y

Entry address:
0x113BC

Entry point:
55, 8B, EC, 83, C4, A4, 53, 56, 57, 33, C0, 89, 45, C4, 89, 45, C0, 89, 45, A4, 89, 45, D0, 89, 45, C8, 89, 45, CC, 89, 45, D4, 89, 45, D8, 89, 45, EC, B8, 2C, 00, 41, 00, E8, E8, 51, FF, FF, 33, C0, 55, 68, 9E, 1A, 41, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 5A, 1A, 41, 00, 64, FF, 32, 64, 89, 22, A1, 48, 5B, 41, 00, E8, 16, D8, FF, FF, E8, 65, D3, FF, FF, 80, 3D, DC, 2A, 41, 00, 00, 74, 0C, E8, 2B, D9, FF, FF, 33, C0, E8, 80, 32, FF, FF, 8D, 55, EC, 33, C0, E8, E2, A3, FF, FF, 8B, 55, EC, B8, 50, 86...
 
[+]

Entropy:
6.9536

Developed / compiled with:
Microsoft Visual C++

Code size:
65.5 KB (67,072 bytes)

The file m4yf2kig.exe has been seen being distributed by the following URL.

http://download.download-405.com/v2/click/o0rkkjbx/?affiliate_image=http://download-405.com/presentation/assets/Static205/.../icon.png&d=http://toolboox.com/bin/terraria.zip&filename=terraria&key=78f4c8197d392635180dcac631603d74d9ab574a6ab4094830c62132551a2106&n=terraria&product_image=http://download-405.com/presentation/assets/Static205/.../installer.png&sid=8681&uid=8681&uao=TW96aWxsYS81LjAgKFdpbmRvd3MgTlQgNi4xOyBXT1c2NCkgQXBwbGVXZWJLaXQvNTM3LjM2IChLSFRNTCwgbGlrZSBHZWNrbykgQ2hyb21lLzQ2LjAuMjQ5MC44MCBTYWZhcmkvNTM3LjM2&scid=dec9d034-800e-11e5-bb74-04016dd72e01

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