vbmz12.exe

Visual Software Systems LTD

The application vbmz12.exe by Visual Software Systems has been detected as a potentially unwanted program by 3 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. 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 cdn.visualbee.net and multiple other hosts.
Publisher:
Visual Software Systems LTD  (signed and verified)

Version:
v22.3

MD5:
d923fa2d85e15230f2c140cd1c97d49d

SHA-1:
310bc557fb55a7ca4f74cc47c395b7e46c82c343

SHA-256:
b98f759b726435bf9b9a67d1bfcad39937fbb9c5def5682bf55abab1ee93a26b

Scanner detections:
3 / 68

Status:
Potentially unwanted

Explanation:
Uses the Solimba installer to bundle adware offers.

Analysis date:
11/21/2017 10:46:55 AM UTC  (today)

Scan engine
Detection
Engine version

Dr.Web
Adware.Downware.1326
9.0.1.016

Malwarebytes
MSIL.Solimba
v2014.01.16.04

Reason Heuristics
PUP.Optional.VisualSoftwareSystems.G
14.2.21.22

File size:
83.6 KB (85,560 bytes)

Product version:
v22.3

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\vbmz12.exe

Digital Signature
Authority:
Thawte, Inc.

Valid from:
10/3/2012 8:00:00 PM

Valid to:
10/17/2013 7:59:59 PM

Subject:
CN=Visual Software Systems LTD, O=Visual Software Systems LTD, L=Tel Aviv - Yafo, S=Israel, C=IL

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
02F58F3809AB50D82BED45D3CEAC82AD

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

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
1536:DQpQ5EP0ijnRTXJICgP1GXY1hhfC8qBzpxmk1sxUrf7CaIzO:DQIURTXJICgP9h1qBzpN17uasO

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...
 
[+]

Entropy:
7.5783

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file vbmz12.exe has been seen being distributed by the following 4 URLs.

http://cdn.visualbee.net/vbmz6.exe

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