File name:

npp.8.8.1.Installer.x64.exe

Full analysis: https://app.any.run/tasks/b0a0faa9-aa0f-49db-b224-f1f52f2ba8e9
Verdict: Malicious activity
Analysis date: June 13, 2025, 17:51:03
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: 5496)
  • SUSPICIOUS

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

      • npp.8.8.1.Installer.x64.exe (PID: 5496)
    • Explorer used for Indirect Command Execution

      • explorer.exe (PID: 6172)
    • Creates a software uninstall entry

      • npp.8.8.1.Installer.x64.exe (PID: 5496)
    • There is functionality for taking screenshot (YARA)

      • npp.8.8.1.Installer.x64.exe (PID: 5496)
    • Reads security settings of Internet Explorer

      • notepad++.exe (PID: 1800)
    • Reads the date of Windows installation

      • notepad++.exe (PID: 1800)
    • The process creates files with name similar to system file names

      • npp.8.8.1.Installer.x64.exe (PID: 5496)
    • Executable content was dropped or overwritten

      • npp.8.8.1.Installer.x64.exe (PID: 5496)
    • Creates/Modifies COM task schedule object

      • regsvr32.exe (PID: 4880)
    • Searches for installed software

      • npp.8.8.1.Installer.x64.exe (PID: 5496)
  • INFO

    • Checks supported languages

      • npp.8.8.1.Installer.x64.exe (PID: 5496)
    • Creates files in the program directory

      • npp.8.8.1.Installer.x64.exe (PID: 5496)
    • Reads the computer name

      • npp.8.8.1.Installer.x64.exe (PID: 5496)
    • Create files in a temporary directory

      • npp.8.8.1.Installer.x64.exe (PID: 5496)
    • Creates files or folders in the user directory

      • npp.8.8.1.Installer.x64.exe (PID: 5496)
    • Reads security settings of Internet Explorer

      • explorer.exe (PID: 6892)
    • The sample compiled with english language support

      • npp.8.8.1.Installer.x64.exe (PID: 5496)
    • Process checks computer location settings

      • notepad++.exe (PID: 1800)
    • Reads Environment values

      • notepad++.exe (PID: 1800)
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.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
146
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
1800"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\winsxs\amd64_microsoft.windows.common-controls_6595b64144ccf1df_6.0.19041.3636_none_60b6a03d71f818d5\comctl32.dll
c:\windows\system32\msvcp_win.dll
3860regsvr32 /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
4880 /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
5496"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
5716"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:
0
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
6104C:\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
6172"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
6536"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\winsxs\amd64_microsoft.windows.common-controls_6595b64144ccf1df_6.0.19041.3636_none_60b6a03d71f818d5\comctl32.dll
c:\windows\system32\shell32.dll
c:\windows\system32\msvcp_win.dll
6668"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
6892C:\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\shcore.dll
Total events
2 266
Read events
2 051
Write events
215
Delete events
0

Modification events

(PID) Process:(5496) npp.8.8.1.Installer.x64.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Notepad++
Operation:writeName:InstallerLanguage
Value:
1033
(PID) Process:(5496) 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:(5496) npp.8.8.1.Installer.x64.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Notepad++
Operation:writeName:Publisher
Value:
Notepad++ Team
(PID) Process:(5496) npp.8.8.1.Installer.x64.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Notepad++
Operation:writeName:MajorVersion
Value:
8
(PID) Process:(5496) npp.8.8.1.Installer.x64.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Notepad++
Operation:writeName:MinorVersion
Value:
81
(PID) Process:(5496) 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"
(PID) Process:(5496) npp.8.8.1.Installer.x64.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Notepad++
Operation:writeName:QuietUninstallString
Value:
"C:\Program Files\Notepad++\uninstall.exe" /S
(PID) Process:(5496) npp.8.8.1.Installer.x64.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Notepad++
Operation:writeName:DisplayIcon
Value:
C:\Program Files\Notepad++\notepad++.exe
(PID) Process:(5496) npp.8.8.1.Installer.x64.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Notepad++
Operation:writeName:DisplayVersion
Value:
8.8.1
(PID) Process:(5496) npp.8.8.1.Installer.x64.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Notepad++
Operation:writeName:URLInfoAbout
Value:
https://notepad-plus-plus.org/
Executable files
14
Suspicious files
2
Text files
210
Unknown types
0

Dropped files

PID
Process
Filename
Type
5496npp.8.8.1.Installer.x64.exeC:\Program Files\Notepad++\autoCompletion\typescript.xmlxml
MD5:948B1E1B251350BABAF87A3D314DC6F3
SHA256:A09F978AEBA209E18CD424D98C8BAFB6165777E3992EB09E5E7E0A26BDED4410
5496npp.8.8.1.Installer.x64.exeC:\Program Files\Notepad++\autoCompletion\powershell.xmlxml
MD5:D161F77EA1500DE3D863BE2E0F91E16C
SHA256:6123E3294CCFC27143361426EB5874E8EFAE8A31B26E0078776DAF82CF74D8B0
5496npp.8.8.1.Installer.x64.exeC:\Users\admin\AppData\Local\Temp\nsb5E3F.tmp\ioSpecial.initext
MD5:E2D5070BC28DB1AC745613689FF86067
SHA256:D95AED234F932A1C48A2B1B0D98C60CA31F962310C03158E2884AB4DDD3EA1E0
5496npp.8.8.1.Installer.x64.exeC:\Program Files\Notepad++\functionList\c.xmlxml
MD5:9AEB2C0DC00ADAEDE0E06F24080F233E
SHA256:F3A7E5E59E883A3EF6C99967766A546D55DD7A767FADB9F4D433CEDF0555E992
5496npp.8.8.1.Installer.x64.exeC:\Program Files\Notepad++\functionList\bash.xmlxml
MD5:162DED022D600DCF4BA4B7E9AC6917A2
SHA256:2AE1142B08D296C25000E451237EA919F981DA28F6A723D39540F43F18BAC762
5496npp.8.8.1.Installer.x64.exeC:\Program Files\Notepad++\autoCompletion\cobol.xmlxml
MD5:C435D68DF074BA8D660EBACE763E9DA9
SHA256:7690E1BBE3EE5D55B993EBC1F41DF35F5BF1B7AAC7C6B6152A6F1112CB9A6773
5496npp.8.8.1.Installer.x64.exeC:\Users\admin\AppData\Local\Temp\nsb5E3F.tmp\LangDLL.dllexecutable
MD5:50016010FB0D8DB2BC4CD258CEB43BE5
SHA256:32230128C18574C1E860DFE4B17FE0334F685740E27BC182E0D525A8948C9C2E
5496npp.8.8.1.Installer.x64.exeC:\Program Files\Notepad++\functionList\java.xmlxml
MD5:E5A76A3287909497F328B0F12CF5CE89
SHA256:2487221A75A52B4F8AA6D2E62F1C0A55A5CD5240B1CB7AAFA66FBB2042590B06
5496npp.8.8.1.Installer.x64.exeC:\Users\admin\AppData\Local\Temp\nsb5E3F.tmp\InstallOptions.dllexecutable
MD5:D095B082B7C5BA4665D40D9C5042AF6D
SHA256:B2091205E225FC07DAF1101218C64CE62A4690CACAC9C3D0644D12E93E4C213C
5496npp.8.8.1.Installer.x64.exeC:\Program Files\Notepad++\functionList\cs.xmlxml
MD5:0F35EE0CB20A383942B7EA9A0DC91B61
SHA256:59345C006CD9BDE5EF532AAE1F119758D45030993181C272BB0DD6FC0C5D01E5
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
15
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
1268
svchost.exe
GET
200
2.16.168.114:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
whitelisted
1268
svchost.exe
GET
200
95.101.149.131:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
unknown
whitelisted
3964
SIHClient.exe
GET
200
23.35.229.160:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl
unknown
whitelisted
7164
svchost.exe
GET
200
2.17.190.73:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D
unknown
whitelisted
3964
SIHClient.exe
GET
200
23.35.229.160:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl
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
5944
MoUsoCoreWorker.exe
51.104.136.2:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
4
System
192.168.100.255:137
whitelisted
4816
RUXIMICS.exe
51.104.136.2:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
1268
svchost.exe
51.104.136.2:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
4
System
192.168.100.255:138
whitelisted
1268
svchost.exe
2.16.168.114:80
crl.microsoft.com
Akamai International B.V.
RU
whitelisted
1268
svchost.exe
95.101.149.131:80
www.microsoft.com
Akamai International B.V.
NL
whitelisted
5716
GUP.exe
92.113.23.248:443
notepad-plus-plus.org
PJSC Ukrtelecom
UA
whitelisted
3964
SIHClient.exe
52.149.20.212:443
slscr.update.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
US
whitelisted
3964
SIHClient.exe
23.35.229.160:80
www.microsoft.com
AKAMAI-AS
DE
whitelisted

DNS requests

Domain
IP
Reputation
google.com
  • 142.250.185.78
whitelisted
settings-win.data.microsoft.com
  • 51.104.136.2
whitelisted
crl.microsoft.com
  • 2.16.168.114
  • 2.16.168.124
whitelisted
www.microsoft.com
  • 95.101.149.131
  • 23.35.229.160
whitelisted
notepad-plus-plus.org
  • 92.113.23.248
whitelisted
slscr.update.microsoft.com
  • 52.149.20.212
whitelisted
fe3cr.delivery.mp.microsoft.com
  • 40.69.42.241
whitelisted
login.live.com
  • 40.126.32.76
  • 20.190.160.131
  • 20.190.160.132
  • 20.190.160.22
  • 20.190.160.14
  • 20.190.160.66
  • 20.190.160.130
  • 20.190.160.2
whitelisted
ocsp.digicert.com
  • 2.17.190.73
whitelisted
client.wns.windows.com
  • 172.211.123.250
whitelisted

Threats

No threats detected
No debug info