File name:

npp.8.8.1.Installer.x64.exe

Full analysis: https://app.any.run/tasks/3ff1fe8b-a757-4e2b-82f0-9feacc7bc938
Verdict: Malicious activity
Analysis date: June 14, 2025, 20:44:55
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:

9E0364B57FD31A98CC39AAFE0B9A1F38

SHA1:

700B4DADEB1E2284B5B372EB88331441435C86C3

SHA256:

605C68624939BA55AC9BBBA4EA3B7B3A602A91D8103862D232A14ADC0176EFCA

SSDEEP:

98304:Hwx8/lQ89C+gjklLWjuSycten47F0v2/TYsdUwxfD6AEU8ytjU27xkD89mB23SlU:arjEqAh+DxwIXHzU9K

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.
  • MALICIOUS

    • Registers / Runs the DLL via REGSVR32.EXE

      • npp.8.8.1.Installer.x64.exe (PID: 6312)
  • SUSPICIOUS

    • The process creates files with name similar to system file names

      • npp.8.8.1.Installer.x64.exe (PID: 6312)
    • Malware-specific behavior (creating "System.dll" in Temp)

      • npp.8.8.1.Installer.x64.exe (PID: 6312)
    • Executable content was dropped or overwritten

      • npp.8.8.1.Installer.x64.exe (PID: 6312)
    • Creates/Modifies COM task schedule object

      • regsvr32.exe (PID: 6460)
    • Creates a software uninstall entry

      • npp.8.8.1.Installer.x64.exe (PID: 6312)
    • Explorer used for Indirect Command Execution

      • explorer.exe (PID: 6268)
    • Reads security settings of Internet Explorer

      • notepad++.exe (PID: 6388)
    • Reads the date of Windows installation

      • notepad++.exe (PID: 6388)
    • There is functionality for taking screenshot (YARA)

      • npp.8.8.1.Installer.x64.exe (PID: 6312)
    • Searches for installed software

      • npp.8.8.1.Installer.x64.exe (PID: 6312)
  • INFO

    • The sample compiled with english language support

      • npp.8.8.1.Installer.x64.exe (PID: 6312)
    • Checks supported languages

      • npp.8.8.1.Installer.x64.exe (PID: 6312)
    • Reads the computer name

      • npp.8.8.1.Installer.x64.exe (PID: 6312)
    • Creates files or folders in the user directory

      • npp.8.8.1.Installer.x64.exe (PID: 6312)
    • Create files in a temporary directory

      • npp.8.8.1.Installer.x64.exe (PID: 6312)
    • Reads security settings of Internet Explorer

      • explorer.exe (PID: 436)
    • Reads Environment values

      • notepad++.exe (PID: 6388)
    • Creates files in the program directory

      • npp.8.8.1.Installer.x64.exe (PID: 6312)
    • Process checks computer location settings

      • notepad++.exe (PID: 6388)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

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: 8.8.1.0
ProductVersionNumber: 8.8.1.0
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: 8.8.1.0
LegalCopyright: Copyleft 1998-2017 by Don HO
ProductName: Notepad++
ProductVersion: 8.81
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
147
Monitored processes
10
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start npp.8.8.1.installer.x64.exe regsvr32.exe no specs regsvr32.exe no specs explorer.exe no specs explorer.exe no specs notepad++.exe no specs gup.exe notepad++.exe no specs slui.exe no specs npp.8.8.1.installer.x64.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
436C:\WINDOWS\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -EmbeddingC:\Windows\explorer.exesvchost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Explorer
Version:
10.0.19041.3758 (WinBuild.160101.0800)
Modules
Images
c:\windows\explorer.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\combase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\oleaut32.dll
c:\windows\system32\aepic.dll
5124"C:\Program Files\Notepad++\updater\gup.exe" -v8.81 -px64C:\Program Files\Notepad++\updater\GUP.exe
notepad++.exe
User:
admin
Company:
Don HO don.h@free.fr
Integrity Level:
MEDIUM
Description:
WinGup for Notepad++
Exit code:
4294967295
Version:
5.32
Modules
Images
c:\program files\notepad++\updater\gup.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\shlwapi.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\user32.dll
c:\windows\system32\win32u.dll
c:\windows\system32\gdi32.dll
5564"C:\Program Files\Notepad++\notepad++.exe" "C:\Program Files\Notepad++\change.log" C:\Program Files\Notepad++\notepad++.exenpp.8.8.1.Installer.x64.exe
User:
admin
Company:
Don HO don.h@free.fr
Integrity Level:
HIGH
Description:
Notepad++
Exit code:
0
Version:
8.8.1
Modules
Images
c:\program files\notepad++\notepad++.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\shlwapi.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\shell32.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
5616"C:\Users\admin\AppData\Local\Temp\npp.8.8.1.Installer.x64.exe" C:\Users\admin\AppData\Local\Temp\npp.8.8.1.Installer.x64.exeexplorer.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:
8.8.1.0
Modules
Images
c:\users\admin\appdata\local\temp\npp.8.8.1.installer.x64.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
6268"C:\WINDOWS\explorer.exe" "C:\Program Files\Notepad++\notepad++.exe"C:\Windows\explorer.exenpp.8.8.1.Installer.x64.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Windows Explorer
Exit code:
1
Version:
10.0.19041.3758 (WinBuild.160101.0800)
Modules
Images
c:\windows\explorer.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\combase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\oleaut32.dll
6312"C:\Users\admin\AppData\Local\Temp\npp.8.8.1.Installer.x64.exe" C:\Users\admin\AppData\Local\Temp\npp.8.8.1.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
Exit code:
0
Version:
8.8.1.0
Modules
Images
c:\users\admin\appdata\local\temp\npp.8.8.1.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
6344C:\WINDOWS\System32\slui.exe -EmbeddingC:\Windows\System32\slui.exesvchost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Activation Client
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
6388"C:\Program Files\Notepad++\notepad++.exe" C:\Program Files\Notepad++\notepad++.exeexplorer.exe
User:
admin
Company:
Don HO don.h@free.fr
Integrity Level:
MEDIUM
Description:
Notepad++
Version:
8.8.1
Modules
Images
c:\program files\notepad++\notepad++.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\shlwapi.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\shell32.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
6460 /s "C:\Program Files\Notepad++\contextMenu\NppShell.dll"C:\Windows\System32\regsvr32.exeregsvr32.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Microsoft(C) Register Server
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\regsvr32.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\aclayers.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\user32.dll
c:\windows\system32\win32u.dll
c:\windows\system32\gdi32.dll
6876regsvr32 /s "C:\Program Files\Notepad++\contextMenu\NppShell.dll"C:\Windows\SysWOW64\regsvr32.exenpp.8.8.1.Installer.x64.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Microsoft(C) Register Server
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\syswow64\regsvr32.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\aclayers.dll
Total events
2 258
Read events
2 042
Write events
216
Delete events
0

Modification events

(PID) Process:(6312) npp.8.8.1.Installer.x64.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Notepad++
Operation:writeName:InstallerLanguage
Value:
1033
(PID) Process:(6460) regsvr32.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Classes\*\shell\ANotepad++64
Operation:writeName:ExplorerCommandHandler
Value:
{B298D29A-A6ED-11DE-BA8C-A68E55D89593}
(PID) Process:(6460) regsvr32.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Classes\*\shell\ANotepad++64
Operation:writeName:NeverDefault
Value:
(PID) Process:(6460) regsvr32.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{B298D29A-A6ED-11DE-BA8C-A68E55D89593}\InprocServer32
Operation:writeName:ThreadingModel
Value:
Apartment
(PID) Process:(6460) regsvr32.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer
Operation:writeName:GlobalAssocChangedCounter
Value:
19
(PID) Process:(6312) npp.8.8.1.Installer.x64.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Notepad++
Operation:writeName:DisplayName
Value:
Notepad++ (64-bit x64)
(PID) Process:(6312) npp.8.8.1.Installer.x64.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Notepad++
Operation:writeName:Publisher
Value:
Notepad++ Team
(PID) Process:(6312) npp.8.8.1.Installer.x64.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Notepad++
Operation:writeName:MajorVersion
Value:
8
(PID) Process:(6312) npp.8.8.1.Installer.x64.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Notepad++
Operation:writeName:MinorVersion
Value:
81
(PID) Process:(6312) npp.8.8.1.Installer.x64.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Notepad++
Operation:writeName:UninstallString
Value:
"C:\Program Files\Notepad++\uninstall.exe"
Executable files
14
Suspicious files
2
Text files
210
Unknown types
0

Dropped files

PID
Process
Filename
Type
6312npp.8.8.1.Installer.x64.exeC:\Program Files\Notepad++\autoCompletion\cobol.xmlxml
MD5:C435D68DF074BA8D660EBACE763E9DA9
SHA256:7690E1BBE3EE5D55B993EBC1F41DF35F5BF1B7AAC7C6B6152A6F1112CB9A6773
6312npp.8.8.1.Installer.x64.exeC:\Users\admin\AppData\Local\Temp\nsp5A57.tmp\System.dllexecutable
MD5:4ADD245D4BA34B04F213409BFE504C07
SHA256:9111099EFE9D5C9B391DC132B2FAF0A3851A760D4106D5368E30AC744EB42706
6312npp.8.8.1.Installer.x64.exeC:\Users\admin\AppData\Local\Temp\nsp5A57.tmp\nsDialogs.dllexecutable
MD5:1D8F01A83DDD259BC339902C1D33C8F1
SHA256:4B7D17DA290F41EBE244827CC295CE7E580DA2F7E9F7CC3EFC1ABC6898E3C9ED
6312npp.8.8.1.Installer.x64.exeC:\Program Files\Notepad++\autoCompletion\powershell.xmlxml
MD5:D161F77EA1500DE3D863BE2E0F91E16C
SHA256:6123E3294CCFC27143361426EB5874E8EFAE8A31B26E0078776DAF82CF74D8B0
6312npp.8.8.1.Installer.x64.exeC:\Program Files\Notepad++\functionList\cs.xmlxml
MD5:0F35EE0CB20A383942B7EA9A0DC91B61
SHA256:59345C006CD9BDE5EF532AAE1F119758D45030993181C272BB0DD6FC0C5D01E5
6312npp.8.8.1.Installer.x64.exeC:\Program Files\Notepad++\autoCompletion\go.xmltext
MD5:226FA88DE6A4DC87F13B897320EE2204
SHA256:B32FB13F6FB628EEC6B447983DD062C13F7A68E2ADED77BE3C5AF7384935A7FF
6312npp.8.8.1.Installer.x64.exeC:\Program Files\Notepad++\functionList\asm.xmlxml
MD5:2C5F4897D7F169E06AEA28310C8AB9EC
SHA256:73526DDB1D23D595680BADD6BD87F5DD82869606A7CF7E8707758D48D848257E
6312npp.8.8.1.Installer.x64.exeC:\Program Files\Notepad++\autoCompletion\sas.xmlxml
MD5:7C63F0C7454EB009604ED89818D57222
SHA256:ECA2CBF40F377FBA22DB93D48E7856D4FBEE9C24908655BB7D971A5906CBE5D1
6312npp.8.8.1.Installer.x64.exeC:\Program Files\Notepad++\functionList\c.xmlxml
MD5:9AEB2C0DC00ADAEDE0E06F24080F233E
SHA256:F3A7E5E59E883A3EF6C99967766A546D55DD7A767FADB9F4D433CEDF0555E992
6312npp.8.8.1.Installer.x64.exeC:\Program Files\Notepad++\functionList\java.xmlxml
MD5:E5A76A3287909497F328B0F12CF5CE89
SHA256:2487221A75A52B4F8AA6D2E62F1C0A55A5CD5240B1CB7AAFA66FBB2042590B06
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
5
TCP/UDP connections
22
DNS requests
17
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
1268
svchost.exe
GET
200
23.216.77.27:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
whitelisted
1268
svchost.exe
GET
200
2.23.246.101:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
unknown
whitelisted
4816
SIHClient.exe
GET
200
2.23.246.101:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl
unknown
whitelisted
4816
SIHClient.exe
GET
200
2.23.246.101:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl
unknown
whitelisted
6160
svchost.exe
GET
200
2.17.190.73:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D
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
1268
svchost.exe
20.73.194.208:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
4
System
192.168.100.255:137
whitelisted
4984
RUXIMICS.exe
20.73.194.208:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
5944
MoUsoCoreWorker.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
1268
svchost.exe
51.124.78.146:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
1268
svchost.exe
23.216.77.27:80
crl.microsoft.com
Akamai International B.V.
DE
whitelisted
1268
svchost.exe
2.23.246.101:80
www.microsoft.com
Ooredoo Q.S.C.
QA
whitelisted
5944
MoUsoCoreWorker.exe
51.104.136.2:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
5124
GUP.exe
92.113.16.115:443
notepad-plus-plus.org
PJSC Ukrtelecom
UA
whitelisted

DNS requests

Domain
IP
Reputation
settings-win.data.microsoft.com
  • 20.73.194.208
  • 51.124.78.146
  • 51.104.136.2
whitelisted
google.com
  • 142.250.184.238
whitelisted
crl.microsoft.com
  • 23.216.77.27
  • 23.216.77.16
  • 23.216.77.20
  • 23.216.77.13
  • 23.216.77.25
  • 23.216.77.22
  • 23.216.77.18
  • 23.216.77.11
  • 23.216.77.15
whitelisted
www.microsoft.com
  • 2.23.246.101
whitelisted
notepad-plus-plus.org
  • 92.113.16.115
whitelisted
slscr.update.microsoft.com
  • 172.202.163.200
whitelisted
fe3cr.delivery.mp.microsoft.com
  • 40.69.42.241
whitelisted
login.live.com
  • 40.126.31.130
  • 40.126.31.73
  • 20.190.159.73
  • 40.126.31.3
  • 40.126.31.129
  • 40.126.31.67
  • 20.190.159.4
  • 40.126.31.0
whitelisted
ocsp.digicert.com
  • 2.17.190.73
whitelisted
client.wns.windows.com
  • 172.211.123.248
whitelisted

Threats

No threats detected
No debug info