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calculadora.free.exe

The executable calculadora.free.exe has been detected as malware by 6 anti-virus scanners. The program is a setup application that uses the 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 www.calculadorainteligente.com.br.
MD5:
9719be455b1b1d9e5835f8a7bf13c4b5

SHA-1:
85b01be5b78dfc229c1e2d1f3e346039e6f26e2b

SHA-256:
79999ced20769cfdf94ca2567c1ab1017bc56c11291ee424bd196568fc9f74ff

Scanner detections:
6 / 68

Status:
Malware

Analysis date:
10/14/2025 11:03:10 AM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:SaliCode
160518-2

ESET NOD32
Win32/Sality.NBA virus
8.0.319.0

F-Prot
W32/Sality.gen2
4.6.5.141

Kaspersky
Virus.Win32.Sality
15.0.0.562

Microsoft Security Essentials
Threat.Undefined
1.223.2807.0

VIPRE Antivirus
Threat.4758034
50308

File size:
974.2 KB (997,624 bytes)

File type:
Executable application (Win32 EXE)

Installer:
Nullsoft Scriptable Install System

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

File PE Metadata
Compilation timestamp:
12/5/2009 8:50:41 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:gZm/dnsB2UHSsYXYwZkSvhFtJRonjzNtCR5mGx/T2L:gZmluH9nWhFCjCR4g/T2L

Entry address:
0x30CB

Entry point:
3B, C5, 73, 11, BE, B8, A5, 7F, 24, 8A, FD, 24, 96, 0F, CF, 81, CE, 73, 1D, DE, 2C, F6, DE, 8B, D9, 81, CF, CC, 7B, EB, AB, B0, 56, 81, FD, 1B, A7, 00, 00, 8A, D6, 81, DB, 2D, 74, 55, F0, 31, CE, BD, 00, 00, 00, 00, 75, 02, B0, 64, 8A, C6, 69, FF, 2B, F9, 58, 34, 3B, F3, 77, 03, 0F, BE, D3, 81, E7, 8D, 86, D8, 2C, BB, AB, 00, EE, FF, 80, FD, 91, 81, C3, 61, DC, 03, 00, 0A, F5, 03, EB, 81, C5, F5, 22, 0E, 00, 72, 08, 81, C9, B4, 11, 36, 73, 49, 43, 15, 40, 36, 95, 91, 81, FD, 7A, 00, 00, 00, 72, BC, 3B, DF...
 
[+]

Code size:
22.5 KB (23,040 bytes)

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

http://www.calculadorainteligente.com.br/.../calculadora.free.exe

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