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nhiupd.exe

The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The file has been seen being downloaded from eservice.nhi.gov.tw.
MD5:
fa7b06c47620c842c76ecddf99c0038e

SHA-1:
1c24a046b6905c5dd2d965deaf1c45aae6668245

SHA-256:
da22f52aea61c4520d2e727373e98502ed9b80004ab4a6563e34a2d8773c934c

Scanner detections:
2 / 68

Status:
Clean  (2 probable false positive detections)

Explanation:
These detections are probably false positives (erroneous), the file is probably malware free.

Analysis date:
10/13/2025 10:16:33 PM UTC  (today)

Scan engine
Detection
Engine version

AhnLab V3 Security
PUP/Win32.Adware
2016.01.30

Clam AntiVirus
Win.Trojan.Agent-971646
0.98/21326

File size:
4.9 MB (5,115,209 bytes)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{random}\nhiupd.exe.t7svyfb.partial

File PE Metadata
Compilation timestamp:
12/6/2009 6:50:52 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
98304:kMGhNDkIZNCu6wbT/eihlTHJczsQdYjjA05e8tjDMZ7XQxT3cNW:Y37Cu6khhZuwQdYjZdoTQxTs4

Entry address:
0x30FA

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 18, EC, 42, 00, E8, F1, 2B, 00, 00, A3, 64, EB, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 8F, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, E3, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 40, 43, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9977

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

https://eservice.nhi.gov.tw/2nd/.../NHIUPD.exe

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