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zkbtc8ou.exe

YesMessenger

Rentabiliweb Belgique

The file zkbtc8ou.exe has been detected as malware by 1 anti-virus scanner. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The file has been seen being downloaded from download.yesmessenger.com. While running, it connects to the Internet address vip1.carpediem.fr on port 80 using the HTTP protocol.
Publisher:
Rentabiliweb  (signed by Rentabiliweb Belgique)

Product:
YesMessenger

Version:
1.0.0.7

MD5:
fe444d983524f0ece2dc86e20d2bfa21

SHA-1:
6b7954f8f1277319fef2ac136fc23befcce72e66

SHA-256:
64b201150fbbf87fdc534693a44703f2eca58e1f0d1f76a04d0e64cae3733fa6

Scanner detections:
1 / 68

Status:
Malware

Analysis date:
4/24/2024 2:27:36 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Optional.Rentabiliweb.Messanger (L)
16.10.13.12

File size:
126.3 KB (129,320 bytes)

Copyright:
Rentabiliweb

Trademarks:
YesMessenger is a trademark of Rentabiliweb company

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\zkbtc8ou.exe.part

Digital Signature
Signed by:
Rentabiliweb Belgique

Authority:
VeriSign, Inc.

Valid from:
10/8/2012 2:00:00 AM

Valid to:
10/20/2014 1:59:59 AM

Subject:
CN=Rentabiliweb Belgique, OU=IT, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Rentabiliweb Belgique, L=Bruxelles, S=Saint-Gilles, C=BE

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:
2CBF12B6DDCA81E1319702E79282058A

File PE Metadata
Compilation timestamp:
12/5/2009 11:50:46 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
3072:vQIURTXJPeoh+YSZ158zIrTTU2KgXaU+eak3:vsxhhSPZo2vek3

Entry address:
0x323C

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 30, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 58, 3F, 42, 00, E8, 09, 2C, 00, 00, A3, A4, 3E, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 58, F4, 41, 00, FF, 15, 58, 71, 40, 00, 68, B8, 91, 40, 00, 68, A0, 36, 42, 00, E8, BC, 28, 00, 00, FF, 15, B0, 70, 40, 00, BF, 00, 90, 42, 00, 50, 57, E8, AA, 28, 00, 00...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file zkbtc8ou.exe has been seen being distributed by the following URL.

http://download.yesmessenger.com/71004/.../yesmessenger.exe

The executing file has been seen to make the following network communication in live environments.

TCP (HTTP):
Connects to vip1.carpediem.fr  (91.226.182.241:80)

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