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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:
3764c10c4a65f35c583f9b0e6f063aac

SHA-1:
64ade369aae50beb220c72cf92cc4201b31c4f2b

SHA-256:
2b85cba18a45a5a84a7e46ad98ad54c9652490ce3e25f40f024c99fdfe737933

Scanner detections:
4 / 68

Status:
Adware

Analysis date:
4/19/2024 10:44:58 PM UTC  (today)

Scan engine
Detection
Engine version

avast!
MacOS:Chatzum-D [Adw]
2014.9-150910

Dr.Web
Adware.Plugin.62
9.0.1.0253

ESET NOD32
OSX/ChatZum
9.9894

Reason Heuristics
PUP.ZakoSolutions.Installer (M)
15.9.10.18

File size:
3.6 MB (3,825,776 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:
9/27/2011 8:00:00 AM

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

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:
12/6/2009 6:50:41 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
98304:IMP+UBnGZ7OInPCAEdh/NtNKxEURMU+quGZTemzr+:IMw7PCbltXS6qdZrO

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:
7.9917

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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