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byte_calculator.exe

Byte Calculator

zebNet Ltd

The application byte_calculator.exe, “Installer for Byte 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:
Byte Calculator

Description:
Installer for Byte Calculator

Version:
2015.2.28.2110

MD5:
44e67c65580bca6fb8a23331cf52cc93

SHA-1:
25806fd2f5278f211af4d76124923400e27a1e5e

SHA-256:
32da388dfeedbed42e1f4c14871ce8fd6a9b4b3de7f112544b5e7abda7b682b0

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:
1/12/2025 6:06:14 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.zebNet.Installer (M)
16.2.12.9

File size:
506.1 KB (518,296 bytes)

Product version:
6.0.0.0

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\byte_calculator.exe

Digital Signature
Signed by:
zebNet Ltd

Authority:
COMODO CA Limited

Valid from:
11/9/2014 1:00:00 AM

Valid to:
11/10/2015 12:59:59 AM

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 11:14:46 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
12288:O829FEIFgxocNpDV08/F7s0ZuuicdMYWCH/1EmnoOW644QEtg5cs:yHlwTSS+PwE4xtO15cs

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...
 
[+]

Developed / compiled with:
Microsoft Visual C++

Code size:
7.5 KB (7,680 bytes)

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

http://go.zebnet.co.uk/1

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