chatzum.exe

Zako Solutions LTD

The application chatzum.exe by Zako Solutions has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The file has been seen being downloaded from dlrhjbor4rbb1.cloudfront.net.
Publisher:
Zako Solutions LTD  (signed and verified)

MD5:
1a2bc25e21d0f00021a83dd7d4964b92

SHA-1:
8363f1cc261baedfa6aa35e5b5b440059194e165

SHA-256:
33597650239c34662219029441880d45ea644019f89cd343079bf71f4c938c82

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Analysis date:
12/26/2024 1:06:49 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.ZakoSolu.Installer (M)
16.5.13.4

File size:
3.6 MB (3,826,112 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

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

Digital Signature
Authority:
DigiCert Inc

Valid from:
9/27/2011 3:00:00 AM

Valid to:
10/1/2012 3:00:00 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 12:50:41 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
98304:Y1P+UBnGZ7Hh4ohhC9Wg5whPANKlFBp1P9cEH61Aimn/rn:Y1wz+oNphMKlFBpl9cW6cj

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:
7.9880

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://dlrhjbor4rbb1.cloudfront.net/toolbar/.../chatzum.exe

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