checksum_calculator.exe

Checksum Calculator

zebNet Ltd

The application checksum_calculator.exe, “Installer for Checksum Calculator” by zebNet 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 Tarma Installer installer. The file has been seen being downloaded from go.zebnet.co.uk.
Publisher:
zebNet® Ltd  (signed by zebNet Ltd)

Product:
Checksum Calculator

Description:
Installer for Checksum Calculator

Version:
2015.2.28.2110

MD5:
2d3ab1463f47b40e19c98021de8689ae

SHA-1:
57b520599f9716e7c47803558d274ba9573fc9b7

SHA-256:
550b43340e2672c9fe59a42d66cc848b2f8ed794ca1fb7596dcdcaf8fc8b776a

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Uses Web-Pick's 'File Product', an Installer which wraps various products and downloads and installs it silently through the process, hosted on TusFiles.

Analysis date:
5/6/2024 2:57:20 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.zebNet.Installer (M)
16.2.25.12

File size:
498.7 KB (510,624 bytes)

Product version:
1.1.3.0

Copyright:
Copyright © 2014 zebNet® Ltd

Original file name:
TSULoader.exe

File type:
Executable application (Win32 EXE)

Installer:
Tarma Installer

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\23-02-2016\checksum_calculator.exe

Digital Signature
Signed by:

Authority:
COMODO CA Limited

Valid from:
11/8/2014 5:00:00 PM

Valid to:
11/9/2015 4:59:59 PM

Subject:
CN=zebNet Ltd, O=zebNet Ltd, STREET=Office 8, STREET=10 Buckhurst Road, L=Bexhill-on-Sea, S=East Sussex, PostalCode=TN40 1QF, C=GB

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
1F6FCEF553602200438AD712676FF6A7

File PE Metadata
Compilation timestamp:
11/18/2014 3:14:46 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
12288:m829FEIFgxOmNpDV08/F7s0ZuuicdMYUmKJNks455MUz8iSltATP7M:aH/OTSS+GMks4DDOtAbo

Entry address:
0x1495

Entry point:
55, 8B, EC, 81, EC, 2C, 06, 00, 00, 53, 56, 33, DB, 57, 66, 89, 9D, DC, FB, FF, FF, 89, 5D, F4, 89, 5D, FC, FF, 15, 68, 30, 40, 00, 8B, F8, 8D, 45, EC, 50, FF, 15, 64, 30, 40, 00, FF, 15, 60, 30, 40, 00, 8B, F0, F7, D6, 33, F7, FF, 15, 5C, 30, 40, 00, 33, F0, 8B, 45, F0, 33, 45, EC, 68, 04, 01, 00, 00, 33, F0, 8D, 85, D4, F9, FF, FF, 50, 53, FF, 15, 58, 30, 40, 00, 85, C0, 75, 41, FF, 15, 54, 30, 40, 00, 83, F8, 78, 75, 1A, 68, A4, 32, 40, 00, E8, 4E, FB, FF, FF, 59, C7, 05, 08, 44, 40, 00, FD, 00, 00, 00...
 
[+]

Entropy:
7.9203

Developed / compiled with:
Microsoft Visual C++

Code size:
7.5 KB (7,680 bytes)

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

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