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softwareupdater.exe

The application softwareupdater.exe has been detected as a potentially unwanted program 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, however the file is not signed with an authenticode signature from a trusted source. The file has been seen being downloaded from installopensoftware.com.
MD5:
a19d015a1e7f3b1add48ea92940f53b7

SHA-1:
8fa21a071d40d6785db6a0a7cb225c65389e36fa

SHA-256:
b941e6d01ac6976ecd8741d13583fe8490a7209ffe9050083e3793cc2a5803a8

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
12/26/2024 6:37:10 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Dowloader (M)
16.8.8.3

File size:
317.2 KB (324,808 bytes)

File type:
Executable application (Win16 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

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

File PE Metadata
Compilation timestamp:
4/1/2016 10:20:09 PM

OS version:
4.0

OS bitness:
Win16

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:xhjmjy9chU7gDtkXf7UHXIwUZEQmDVaHrGcsDLG0tFbVkOM:f9chU7yq7UHY9zmDV8YGG6

Entry address:
0x326C

Entry point:
81, EC, 84, 01, 00, 00, 53, 55, 56, 57, 33, DB, 68, 01, 80, 00, 00, 89, 5C, 24, 20, C7, 44, 24, 14, 30, 91, 40, 00, 89, 5C, 24, 1C, C6, 44, 24, 18, 20, FF, 15, B4, 70, 40, 00, FF, 15, B0, 70, 40, 00, 66, 3D, 06, 00, 74, 11, 53, E8, 07, 2E, 00, 00, 3B, C3, 74, 07, 68, 00, 0C, 00, 00, FF, D0, BE, 80, 72, 40, 00, 56, E8, 83, 2D, 00, 00, 56, FF, 15, AC, 70, 40, 00, 8D, 74, 06, 01, 38, 1E, 75, EB, 6A, 0D, E8, DB, 2D, 00, 00, 6A, 0B, E8, D4, 2D, 00, 00, A3, 64, 3F, 42, 00, FF, 15, 38, 70, 40, 00, 53, FF, 15, 6C...
 
[+]

Entropy:
7.7321

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

https://installopensoftware.com/campaign/.../rdr.php

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