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chatzum.exe

Zako Solutions LTD

The application chatzum.exe by Zako Solutions has been detected as adware by 4 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The file has been seen being downloaded from d25pu8rpgqv7at.cloudfront.net.
Publisher:
Zako Solutions LTD  (signed and verified)

MD5:
3657bf770a80f0e08ed8c16f99898204

SHA-1:
32ed71beb5d110dde28762c6dc144e921308e03b

SHA-256:
558f52697244cd308d42bf5a787d32c475e33323282657ac21ec257b8a19cb32

Scanner detections:
4 / 68

Status:
Adware

Analysis date:
4/25/2024 12:03:50 PM UTC  (today)

Scan engine
Detection
Engine version

avast!
MacOS:Chatzum-D [Adw]
2014.9-150425

Dr.Web
Adware.Softomate.588
9.0.1.0115

ESET NOD32
OSX/ChatZum
9.9824

Reason Heuristics
Threat.Installer.ZakoSolutions
15.4.24.21

File size:
3.6 MB (3,825,800 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\downloads\chatzum.exe

Digital Signature
Signed by:
Zako Solutions LTD

Authority:
DigiCert Inc

Valid from:
9/26/2011 8:00:00 PM

Valid to:
10/1/2012 8:00:00 AM

Subject:
CN=Zako Solutions LTD, O=Zako Solutions LTD, L=Rosh Hayyan, C=IL

Issuer:
CN=DigiCert Assured ID Code Signing CA-1, OU=www.digicert.com, O=DigiCert Inc, C=US

Serial number:
035571E788C21971B2B240E1E5E4FE46

File PE Metadata
Compilation timestamp:
12/5/2009 5:50:41 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
98304:TxP+UBnGZtXzR4ohhC9Wg5YPAlGURMU+quGZTemzrc:TxwNzOoN32GS6qdZrM

Entry address:
0x30CB

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 38, 3F, 42, 00, E8, F1, 2B, 00, 00, A3, 84, 3E, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 30, F4, 41, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 80, 36, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 90, 42, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9879

Packer / compiler:
Nullsoft install system v2.x

Code size:
22.5 KB (23,040 bytes)

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

http://d25pu8rpgqv7at.cloudfront.net/toolbar/.../chatzum.exe

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