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vbmz5.exe

The executable vbmz5.exe has been detected as malware by 3 anti-virus scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer, however the file is not signed with an authenticode signature from a trusted source. The installer uses the Solimba download manager to push adware offers during the download and setup process. Bundled adware includes search and shopping web browser toolbars. The file has been seen being downloaded from download.qazwsx.info.
Version:
v28.10

MD5:
5d6e502207baba788b2677fe76db800a

SHA-1:
4d4c89a62272ddc206e541abca43eb971d4d5070

SHA-256:
9fc2107a2da6037bc2827febfef24a2c07a0724da5a1c4a9d986a158f5d67ca9

Scanner detections:
3 / 68

Status:
Malware

Explanation:
Uses the Solimba installer to bundle adware offers.

Analysis date:
4/23/2024 5:18:53 AM UTC  (today)

Scan engine
Detection
Engine version

Dr.Web
Trojan.DownLoader9.50989
9.0.1.083

Malwarebytes
MSIL.Solimba
v2014.03.24.10

Trend Micro House Call
TROJ_GEN.F47V0321
7.2.83

File size:
216.4 KB (221,558 bytes)

Product version:
v28.10

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\temp\vbmz5.exe

File PE Metadata
Compilation timestamp:
7/14/2013 2:09:56 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:wbDlxC5E6tcHEniS+aXEQZSeNVfumeG4YtCmnJ:kiEYVGQ7aVgF

Entry address:
0x326F

Entry point:
81, EC, 84, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 30, 91, 40, 00, 89, 5C, 24, 20, C6, 44, 24, 14, 20, FF, 15, 34, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 70, 40, 00, 53, FF, 15, 8C, 72, 40, 00, 6A, 08, A3, 78, EC, 42, 00, E8, 8B, 2D, 00, 00, A3, C4, EB, 42, 00, 53, 8D, 44, 24, 38, 68, 60, 01, 00, 00, 50, 53, 68, 00, 90, 42, 00, FF, 15, 64, 71, 40, 00, 68, E4, 91, 40, 00, 68, C0, E3, 42, 00, E8, 35, 2A, 00, 00, FF, 15, B0, 70, 40, 00, BD, 00, 40, 43, 00, 50, 55, E8, 23, 2A...
 
[+]

Entropy:
7.8968

Packer / compiler:
Nullsoft install system v2.x

Code size:
24 KB (24,576 bytes)

The file vbmz5.exe has been seen being distributed by the following URL.

http://download.qazwsx.info/vbmz5.exe

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