Malware analysis npp.8.8.2.Installer.x64.exe Malicious activity

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File name:	npp.8.8.2.Installer.x64.exe
Full analysis:	https://app.any.run/tasks/11e4886b-0165-4952-b04d-c94c9e825644
Verdict:	Malicious activity
Analysis date:	July 11, 2025, 07:10:07
OS:	Windows 10 Professional (build: 19044, 64 bit)
Indicators:
MIME:	application/vnd.microsoft.portable-executable
File info:	PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive, 5 sections
MD5:	26B9167CC02670947608D30B92513D5E
SHA1:	262AFF26F54F0DE188ECF265545AE6425403A620
SHA256:	49852273A3E98AD1266A5BB7CD056E1154CC6D14E7C2A6E308AE95F355CA10CF
SSDEEP:	98304:ZWbPyjykrf3G/X4M8ztfsYz9NxT27tAW6cwxUEg1hF0D5osf+uhRuAlRfTfYILDE:2SmGb3fcPP9dbudFxA

ANY.RUN is an interactive service which provides full access to the guest system. Information in this report could be distorted by user actions and is provided for user acknowledgement as it is. ANY.RUN does not guarantee maliciousness or safety of the content.

Launch configuration

Task duration:: 180 seconds
Heavy Evasion option:: off
Network geolocation:: off
Additional time used:: 120 seconds
MITM proxy:: off
Privacy:: Public submission
Fakenet option:: off
Route via Tor:: off
Autoconfirmation of UAC:: on
Network:: on

Software preset

Internet Explorer 11.3636.19041.0
Adobe Acrobat (64-bit) (23.001.20093)
Adobe Flash Player 32 NPAPI (32.0.0.465)
Adobe Flash Player 32 PPAPI (32.0.0.465)
CCleaner (6.20)
FileZilla 3.65.0 (3.65.0)
Google Chrome (133.0.6943.127)
Google Update Helper (1.3.36.51)
Java 8 Update 271 (64-bit) (8.0.2710.9)
Java Auto Updater (2.8.271.9)
Microsoft Edge (133.0.3065.92)
Microsoft Office Professional 2019 - de-de (16.0.16026.20146)
Microsoft Office Professional 2019 - en-us (16.0.16026.20146)
Microsoft Office Professional 2019 - es-es (16.0.16026.20146)
Microsoft Office Professional 2019 - it-it (16.0.16026.20146)
Microsoft Office Professional 2019 - ja-jp (16.0.16026.20146)
Microsoft Office Professional 2019 - ko-kr (16.0.16026.20146)
Microsoft Office Professional 2019 - pt-br (16.0.16026.20146)
Microsoft Office Professional 2019 - tr-tr (16.0.16026.20146)
Microsoft Office Professionnel 2019 - fr-fr (16.0.16026.20146)
Microsoft Office профессиональный 2019 - ru-ru (16.0.16026.20146)
Microsoft OneNote - en-us (16.0.16026.20146)
Microsoft Update Health Tools (3.74.0.0)
Microsoft Visual C++ 2013 Redistributable (x64) - 12.0.30501 (12.0.30501.0)
Microsoft Visual C++ 2013 x64 Additional Runtime - 12.0.21005 (12.0.21005)
Microsoft Visual C++ 2013 x64 Minimum Runtime - 12.0.21005 (12.0.21005)
Microsoft Visual C++ 2015-2022 Redistributable (x64) - 14.36.32532 (14.36.32532.0)
Microsoft Visual C++ 2015-2022 Redistributable (x86) - 14.36.32532 (14.36.32532.0)
Microsoft Visual C++ 2022 X64 Additional Runtime - 14.36.32532 (14.36.32532)
Microsoft Visual C++ 2022 X64 Minimum Runtime - 14.36.32532 (14.36.32532)
Microsoft Visual C++ 2022 X86 Additional Runtime - 14.36.32532 (14.36.32532)
Microsoft Visual C++ 2022 X86 Minimum Runtime - 14.36.32532 (14.36.32532)
Mozilla Firefox (x64 en-US) (136.0)
Mozilla Maintenance Service (136.0)
Notepad++ (64-bit x64) (7.9.1)
Office 16 Click-to-Run Extensibility Component (16.0.15726.20202)
Office 16 Click-to-Run Licensing Component (16.0.16026.20146)
Office 16 Click-to-Run Localization Component (16.0.15726.20202)
Office 16 Click-to-Run Localization Component (16.0.15928.20198)
PowerShell 7-x64 (7.3.5.0)
Update for Windows 10 for x64-based Systems (KB4023057) (2.59.0.0)
Update for Windows 10 for x64-based Systems (KB4023057) (2.63.0.0)
Update for Windows 10 for x64-based Systems (KB4480730) (2.55.0.0)
Update for Windows 10 for x64-based Systems (KB5001716) (8.93.0.0)
VLC media player (3.0.11)
WinRAR 5.91 (64-bit) (5.91.0)
Windows PC Health Check (3.6.2204.08001)

Hotfixes

Client LanguagePack Package
DotNetRollup
DotNetRollup 481
FodMetadata Package
Foundation Package
Hello Face Package
InternetExplorer Optional Package
KB5003791
KB5011048
KB5015684
KB5033052
LanguageFeatures Basic en us Package
LanguageFeatures Handwriting en us Package
LanguageFeatures OCR en us Package
LanguageFeatures Speech en us Package
LanguageFeatures TextToSpeech en us Package
MSPaint FoD Package
MediaPlayer Package
Microsoft OneCore ApplicationModel Sync Desktop FOD Package
Microsoft OneCore DirectX Database FOD Package
NetFx3 OnDemand Package
Notepad FoD Package
OpenSSH Client Package
PowerShell ISE FOD Package
Printing PMCPPC FoD Package
Printing WFS FoD Package
ProfessionalEdition
QuickAssist Package
RollupFix
ServicingStack
ServicingStack 3989
StepsRecorder Package
TabletPCMath Package
UserExperience Desktop Package
WordPad FoD Package

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MALICIOUS
No malicious indicators.
SUSPICIOUS
- Executable content was dropped or overwritten
  - npp.8.8.2.Installer.x64.exe (PID: 5952)
- The process creates files with name similar to system file names
  - npp.8.8.2.Installer.x64.exe (PID: 5952)
- Malware-specific behavior (creating "System.dll" in Temp)
  - npp.8.8.2.Installer.x64.exe (PID: 5952)
- There is functionality for taking screenshot (YARA)
  - npp.8.8.2.Installer.x64.exe (PID: 5952)
- Searches for installed software
  - npp.8.8.2.Installer.x64.exe (PID: 5952)
INFO
- Checks supported languages
  - npp.8.8.2.Installer.x64.exe (PID: 5952)
- The sample compiled with english language support
  - npp.8.8.2.Installer.x64.exe (PID: 5952)
- Reads the computer name
  - npp.8.8.2.Installer.x64.exe (PID: 5952)
- Create files in a temporary directory
  - npp.8.8.2.Installer.x64.exe (PID: 5952)
- Checks proxy server information
  - slui.exe (PID: 5896)
- Reads the software policy settings
  - slui.exe (PID: 5896)

Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report

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No Malware configuration.

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TRiD

.exe	\|	Win32 Executable MS Visual C++ (generic) (67.4)
.dll	\|	Win32 Dynamic Link Library (generic) (14.2)
.exe	\|	Win32 Executable (generic) (9.7)
.exe	\|	Generic Win/DOS Executable (4.3)
.exe	\|	DOS Executable Generic (4.3)

EXIF

EXE

MachineType:	Intel 386 or later, and compatibles
TimeStamp:	2023:07:02 02:09:43+00:00
ImageFileCharacteristics:	No relocs, Executable, No line numbers, No symbols, 32-bit
PEType:	PE32
LinkerVersion:	6
CodeSize:	26624
InitializedDataSize:	139776
UninitializedDataSize:	2048
EntryPoint:	0x3645
OSVersion:	4
ImageVersion:	6
SubsystemVersion:	4
Subsystem:	Windows GUI
FileVersionNumber:	8.8.2.0
ProductVersionNumber:	8.8.2.0
FileFlagsMask:	0x0000
FileFlags:	(none)
FileOS:	Win32
ObjectFileType:	Executable application
FileSubtype:	-
LanguageCode:	English (U.S.)
CharacterSet:	Unicode
CompanyName:	Don HO don.h@free.fr
FileDescription:	Notepad++ : a free (GNU) source code editor
FileVersion:	8.8.2.0
LegalCopyright:	Copyleft 1998-2017 by Don HO
ProductName:	Notepad++
ProductVersion:	8.82

No data.

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All screenshots are available in the full report

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Total processes

137

Monitored processes

Malicious processes

Suspicious processes

Behavior graph

Click at the process to see the details

Process information

PID

CMD

Path

Indicators

Parent process

5896

C:\WINDOWS\System32\slui.exe -Embedding

C:\Windows\System32\slui.exe

svchost.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Windows Activation Client

Exit code:

Version:

10.0.19041.1 (WinBuild.160101.0800)

Modules

Images
c:\windows\system32\slui.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\bcrypt.dll
c:\windows\system32\user32.dll

5952

"C:\Users\admin\AppData\Local\Temp\npp.8.8.2.Installer.x64.exe"

C:\Users\admin\AppData\Local\Temp\npp.8.8.2.Installer.x64.exe

explorer.exe

User:

admin

Company:

Don HO don.h@free.fr

Integrity Level:

HIGH

Description:

Notepad++ : a free (GNU) source code editor

Version:

8.8.2.0

Modules

Images
c:\users\admin\appdata\local\temp\npp.8.8.2.installer.x64.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\apphelp.dll
c:\windows\syswow64\advapi32.dll

6508

"C:\Users\admin\AppData\Local\Temp\npp.8.8.2.Installer.x64.exe"

C:\Users\admin\AppData\Local\Temp\npp.8.8.2.Installer.x64.exe

—

explorer.exe

User:

admin

Company:

Don HO don.h@free.fr

Integrity Level:

MEDIUM

Description:

Notepad++ : a free (GNU) source code editor

Exit code:

3221226540

Version:

8.8.2.0

Modules

Images
c:\users\admin\appdata\local\temp\npp.8.8.2.installer.x64.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll

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Total events

1 133

Read events

1 132

Write events

Delete events

Modification events


(PID) Process:	(5952) npp.8.8.2.Installer.x64.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Notepad++
Operation:	write	Name:	InstallerLanguage
Value: 1033

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Executable files

Suspicious files

Text files

Unknown types

Dropped files

PID	Process	Filename		Type
5952	npp.8.8.2.Installer.x64.exe	C:\Users\admin\AppData\Local\Temp\nsu5B60.tmp\ioSpecial.ini		text
		MD5:E2D5070BC28DB1AC745613689FF86067	SHA256:D95AED234F932A1C48A2B1B0D98C60CA31F962310C03158E2884AB4DDD3EA1E0
5952	npp.8.8.2.Installer.x64.exe	C:\Users\admin\AppData\Local\Temp\nsu5B60.tmp\modern-header.bmp		image
		MD5:56DA15FDB8D96F8F5C649DCB5E79D775	SHA256:BB90D4338D2474138473E6B16E94B0237EE847BEA45019ED0DD4439C71BD233E
5952	npp.8.8.2.Installer.x64.exe	C:\Users\admin\AppData\Local\Temp\nsu5B60.tmp\System.dll		executable
		MD5:4ADD245D4BA34B04F213409BFE504C07	SHA256:9111099EFE9D5C9B391DC132B2FAF0A3851A760D4106D5368E30AC744EB42706
5952	npp.8.8.2.Installer.x64.exe	C:\Users\admin\AppData\Local\Temp\nsu5B60.tmp\modern-wizard.bmp		image
		MD5:C2CF6928A3AB574A5548B4DC1C38B6C0	SHA256:2125550C12FA512782F2016E802D70BC51F4A06017CFBD4176B4A994EB2542F0
5952	npp.8.8.2.Installer.x64.exe	C:\Users\admin\AppData\Local\Temp\nsu5B60.tmp\LangDLL.dll		executable
		MD5:50016010FB0D8DB2BC4CD258CEB43BE5	SHA256:32230128C18574C1E860DFE4B17FE0334F685740E27BC182E0D525A8948C9C2E
5952	npp.8.8.2.Installer.x64.exe	C:\Users\admin\AppData\Local\Temp\nsu5B60.tmp\InstallOptions.dll		executable
		MD5:D095B082B7C5BA4665D40D9C5042AF6D	SHA256:B2091205E225FC07DAF1101218C64CE62A4690CACAC9C3D0644D12E93E4C213C

Download PCAP, analyze network streams, HTTP content and a lot more at the full report

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HTTP(S) requests

TCP/UDP connections

DNS requests

Threats

HTTP requests

PID	Process	Method	HTTP Code	IP	URL	CN	Type	Size	Reputation
2764	svchost.exe	GET	200	2.17.190.73:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D	unknown	—	—	whitelisted
5944	MoUsoCoreWorker.exe	GET	200	2.16.168.124:80	http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl	unknown	—	—	whitelisted
5944	MoUsoCoreWorker.exe	GET	200	95.101.149.131:80	http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl	unknown	—	—	whitelisted
3476	SIHClient.exe	GET	200	95.101.149.131:80	http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl	unknown	—	—	whitelisted
3476	SIHClient.exe	GET	200	95.101.149.131:80	http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl	unknown	—	—	whitelisted
2940	svchost.exe	GET	200	23.209.209.135:80	http://x1.c.lencr.org/	unknown	—	—	whitelisted

Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID	Process	IP	Domain	ASN	CN	Reputation
4	System	192.168.100.255:137	—	—	—	whitelisted
5944	MoUsoCoreWorker.exe	20.73.194.208:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	NL	whitelisted
1268	svchost.exe	20.73.194.208:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	NL	whitelisted
6012	RUXIMICS.exe	20.73.194.208:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	NL	whitelisted
4	System	192.168.100.255:138	—	—	—	whitelisted
2336	svchost.exe	172.211.123.248:443	client.wns.windows.com	MICROSOFT-CORP-MSN-AS-BLOCK	FR	whitelisted
2764	svchost.exe	40.126.31.67:443	login.live.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
2764	svchost.exe	2.17.190.73:80	ocsp.digicert.com	AKAMAI-AS	DE	whitelisted
5944	MoUsoCoreWorker.exe	51.124.78.146:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	NL	whitelisted
5944	MoUsoCoreWorker.exe	2.16.168.124:80	crl.microsoft.com	Akamai International B.V.	RU	whitelisted

DNS requests

Domain	IP	Reputation
settings-win.data.microsoft.com	20.73.194.208 51.124.78.146	whitelisted
google.com	142.250.185.110	whitelisted
client.wns.windows.com	172.211.123.248	whitelisted
login.live.com	40.126.31.67 40.126.31.1 20.190.159.71 40.126.31.131 40.126.31.73 20.190.159.64 20.190.159.68 40.126.31.128	whitelisted
ocsp.digicert.com	2.17.190.73	whitelisted
nexusrules.officeapps.live.com	52.111.229.48	whitelisted
crl.microsoft.com	2.16.168.124 2.16.168.114	whitelisted
www.microsoft.com	95.101.149.131	whitelisted
slscr.update.microsoft.com	52.149.20.212	whitelisted
fe3cr.delivery.mp.microsoft.com	40.69.42.241	whitelisted

Threats

No threats detected

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No debug info

General Info

npp.8.8.2.Installer.x64.exe

26B9167CC02670947608D30B92513D5E

262AFF26F54F0DE188ECF265545AE6425403A620

49852273A3E98AD1266A5BB7CD056E1154CC6D14E7C2A6E308AE95F355CA10CF

98304:ZWbPyjykrf3G/X4M8ztfsYz9NxT27tAW6cwxUEg1hF0D5osf+uhRuAlRfTfYILDE:2SmGb3fcPP9dbudFxA

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

SUSPICIOUS

Executable content was dropped or overwritten

The process creates files with name similar to system file names

Malware-specific behavior (creating "System.dll" in Temp)

There is functionality for taking screenshot (YARA)

Searches for installed software

INFO

Checks supported languages

The sample compiled with english language support

Reads the computer name

Create files in a temporary directory

Checks proxy server information

Reads the software policy settings

Malware configuration

Static information

TRiD

EXIF

EXE

Video and screenshots

Processes

Behavior graph

Specs description

Process information

Information

Modules

Information

Modules

Information

Modules

Registry activity

Modification events

Files activity

Dropped files

Network activity

HTTP requests

Connections

DNS requests

Threats

Debug output strings