maths-calculator.exe

The application maths-calculator.exe has been detected as a potentially unwanted program by 3 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer, however the file is not signed with an authenticode signature from a trusted source. The file has been seen being downloaded from m3.tuviviet.net.
MD5:
da233de645cf08a4e2f997ba000276ad

SHA-1:
84dcd4f84931e0d82e8eddae7e5106c8bcd96db1

SHA-256:
677b5414e6f117e80e5b11604b185d523730dfb643f6b98a465359b3000284d2

Scanner detections:
3 / 68

Status:
Potentially unwanted

Analysis date:
12/26/2024 12:43:46 AM UTC  (today)

Scan engine
Detection
Engine version

Dr.Web
Detection.Undefined
9.0.1.05190

Kaspersky
not-a-virus:HEUR:AdWare.NSIS.ExtCrome
15.0.0.562

Reason Heuristics
Adware.Bundler.CRX.KY (M)
16.6.25.3

File size:
353.7 KB (362,146 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

File PE Metadata
Compilation timestamp:
10/7/2014 11:40:23 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
3072:n8Dsp+FNX1dFOvDlXJuIH7Z98gmPQ/ciN245:n8dNXSEa98gmP6mI

Entry address:
0x30E2

Entry point:
81, EC, 84, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 90, 91, 40, 00, 89, 5C, 24, 20, C6, 44, 24, 14, 20, FF, 15, 34, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, 1C, 71, 40, 00, 53, FF, 15, 8C, 72, 40, 00, 6A, 09, A3, 78, E4, 42, 00, E8, A8, 2D, 00, 00, A3, C4, E3, 42, 00, 53, 8D, 44, 24, 38, 68, 60, 01, 00, 00, 50, 53, 68, 00, 88, 42, 00, FF, 15, 64, 71, 40, 00, 68, 80, 91, 40, 00, 68, C0, DB, 42, 00, E8, 52, 2A, 00, 00, FF, 15, 20, 71, 40, 00, BD, 00, 40, 43, 00, 50, 55, E8, 40, 2A...
 
[+]

Entropy:
4.1243

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file maths-calculator.exe has been seen being distributed by the following URL.

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