update_4d1b.exe

Messenger Plus!

Yuna Software Limited

The application update_4d1b.exe, “Setup - Messenger Plus!” by Yuna Software Limited has been detected as a potentially unwanted program by 6 anti-malware scanners. This is a self-extracting archive and installer and has been known to bundle potentially unwanted software. The file has been seen being downloaded from www.msgplus.net and multiple other hosts.
Publisher:
Yuna Software  (signed by Yuna Software Limited)

Product:
Messenger Plus!

Description:
Setup - Messenger Plus!

Version:
2.0.0.150

MD5:
20e1dc25dc4cba68339715b800afce51

SHA-1:
5971350b54fe0b65f50aabd44094a4076cd8e114

SHA-256:
f3573076afe535c1253e8e68895e7debc98911f6300bdc63f1f4bf1734453dd7

Scanner detections:
6 / 68

Status:
Potentially unwanted

Analysis date:
9/25/2018 2:35:36 AM UTC  (today)

Scan engine
Detection
Engine version

ESET NOD32
Win32/MessengerPlus (variant)
7.9307

McAfee
Artemis!20E1DC25DC4C
5600.7271

McAfee Web Gateway
Artemis!20E1DC25DC4C
7.7271

Reason Heuristics
PUP.Optional.Installer.YunaSoftwareLimited.L
14.2.20.19

Trend Micro House Call
TROJ_GEN.F47V1203
7.2.359

Vba32 AntiVirus
suspected of Trojan.Downloader.gen.h
3.12.24.3

File size:
1.1 MB (1,118,064 bytes)

Product version:
2.0

Copyright:
Copyright (C) 2001-2013 Yuna Software

Original file name:
Setup.exe

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\local\temp\update_4d1b.exe

Digital Signature
Authority:
VeriSign, Inc.

Valid from:
9/1/2012 2:00:00 AM

Valid to:
10/20/2015 1:59:59 AM

Subject:
CN=Yuna Software Limited, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Yuna Software Limited, L=St. Helier, S=Jersey, C=GB

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
56EC82195199D735AD6E704B1B712CB5

File PE Metadata
Compilation timestamp:
12/2/2013 2:14:00 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:5AVls3b15xIGk2Z7Cw7clpH/qJP3GpSaEO4pXE9/fnwhtGKHoh:5AEb1DnkCkH/qJPsYO4SpwjHoh

Entry address:
0x1DF0D

Entry point:
E8, 43, 5D, 00, 00, E9, 89, FE, FF, FF, 8B, FF, 55, 8B, EC, 83, EC, 20, 8B, 45, 08, 56, 57, 6A, 08, 59, BE, 60, D4, 42, 00, 8D, 7D, E0, F3, A5, 89, 45, F8, 8B, 45, 0C, 5F, 89, 45, FC, 5E, 85, C0, 74, 0C, F6, 00, 08, 74, 07, C7, 45, F4, 00, 40, 99, 01, 8D, 45, F4, 50, FF, 75, F0, FF, 75, E4, FF, 75, E0, FF, 15, D4, D1, 42, 00, C9, C2, 08, 00, B8, 9A, 47, 42, 00, A3, A8, 3B, 43, 00, C7, 05, AC, 3B, 43, 00, 90, 3E, 42, 00, C7, 05, B0, 3B, 43, 00, 44, 3E, 42, 00, C7, 05, B4, 3B, 43, 00, 7D, 3E, 42, 00, C7, 05...
 
[+]

Code size:
172.5 KB (176,640 bytes)

The file update_4d1b.exe has been seen being distributed by the following 6 URLs.

http://www.msgplus.net/.../DownloadSkypePlus.aspx

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