File name:

npp.8.8.1.Installer.x64.exe

Full analysis: https://app.any.run/tasks/b1097795-0451-417c-bf00-6ebff17926ba
Verdict: Malicious activity
Analysis date: May 17, 2025, 12:17:39
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: 7768)
  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • npp.8.8.1.Installer.x64.exe (PID: 7768)
    • There is functionality for taking screenshot (YARA)

      • npp.8.8.1.Installer.x64.exe (PID: 7768)
    • Malware-specific behavior (creating "System.dll" in Temp)

      • npp.8.8.1.Installer.x64.exe (PID: 7768)
    • The process creates files with name similar to system file names

      • npp.8.8.1.Installer.x64.exe (PID: 7768)
    • Creates/Modifies COM task schedule object

      • regsvr32.exe (PID: 7916)
    • Explorer used for Indirect Command Execution

      • explorer.exe (PID: 8144)
    • Reads security settings of Internet Explorer

      • notepad++.exe (PID: 2152)
    • Reads the date of Windows installation

      • notepad++.exe (PID: 2152)
    • Creates a software uninstall entry

      • npp.8.8.1.Installer.x64.exe (PID: 7768)
  • INFO

    • Reads Environment values

      • notepad++.exe (PID: 2152)
    • Checks proxy server information

      • slui.exe (PID: 7576)
    • Reads the software policy settings

      • slui.exe (PID: 7576)
    • Creates files in the program directory

      • npp.8.8.1.Installer.x64.exe (PID: 7768)
    • Creates files or folders in the user directory

      • npp.8.8.1.Installer.x64.exe (PID: 7768)
    • The sample compiled with english language support

      • npp.8.8.1.Installer.x64.exe (PID: 7768)
    • Create files in a temporary directory

      • npp.8.8.1.Installer.x64.exe (PID: 7768)
    • Reads security settings of Internet Explorer

      • explorer.exe (PID: 7220)
    • Process checks computer location settings

      • notepad++.exe (PID: 2152)
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.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
138
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 notepad++.exe no specs gup.exe slui.exe npp.8.8.1.installer.x64.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
2152"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
6436"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
7220C:\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
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\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\twinapi.dll
7348"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
7576C:\WINDOWS\System32\slui.exe -EmbeddingC:\Windows\System32\slui.exe
svchost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Activation Client
Exit code:
0
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
7672"C:\Users\admin\Desktop\npp.8.8.1.Installer.x64.exe" C:\Users\admin\Desktop\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\desktop\npp.8.8.1.installer.x64.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
7768"C:\Users\admin\Desktop\npp.8.8.1.Installer.x64.exe" C:\Users\admin\Desktop\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:\program files (x86)\common files\microsoft shared\ink\tiptsf.dll
c:\users\admin\appdata\local\temp\nsyccf8.tmp\nsdialogs.dll
c:\users\admin\appdata\local\temp\nsyccf8.tmp\userinfo.dll
c:\windows\syswow64\profapi.dll
c:\windows\syswow64\linkinfo.dll
c:\windows\syswow64\ntshrui.dll
c:\windows\syswow64\sspicli.dll
c:\windows\syswow64\srvcli.dll
c:\windows\syswow64\cscapi.dll
c:\windows\syswow64\netutils.dll
7904regsvr32 /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
7916 /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
8144"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
Total events
4 882
Read events
4 667
Write events
215
Delete events
0

Modification events

(PID) Process:(7916) regsvr32.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Classes\*\shell\ANotepad++64
Operation:writeName:ExplorerCommandHandler
Value:
{B298D29A-A6ED-11DE-BA8C-A68E55D89593}
(PID) Process:(7916) regsvr32.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Classes\*\shell\ANotepad++64
Operation:writeName:NeverDefault
Value:
(PID) Process:(7916) regsvr32.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{B298D29A-A6ED-11DE-BA8C-A68E55D89593}\InprocServer32
Operation:writeName:ThreadingModel
Value:
Apartment
(PID) Process:(7916) regsvr32.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer
Operation:writeName:GlobalAssocChangedCounter
Value:
18
(PID) Process:(7768) npp.8.8.1.Installer.x64.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Notepad++
Operation:writeName:EstimatedSize
Value:
21316
(PID) Process:(7768) 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:(7768) npp.8.8.1.Installer.x64.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Notepad++
Operation:writeName:Publisher
Value:
Notepad++ Team
(PID) Process:(7768) npp.8.8.1.Installer.x64.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Notepad++
Operation:writeName:MajorVersion
Value:
8
(PID) Process:(7768) npp.8.8.1.Installer.x64.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Notepad++
Operation:writeName:MinorVersion
Value:
81
(PID) Process:(7768) 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
7768npp.8.8.1.Installer.x64.exeC:\Users\admin\AppData\Local\Temp\nsyCCF8.tmp\modern-header.bmpimage
MD5:56DA15FDB8D96F8F5C649DCB5E79D775
SHA256:BB90D4338D2474138473E6B16E94B0237EE847BEA45019ED0DD4439C71BD233E
7768npp.8.8.1.Installer.x64.exeC:\Users\admin\AppData\Local\Temp\nsyCCF8.tmp\LangDLL.dllexecutable
MD5:50016010FB0D8DB2BC4CD258CEB43BE5
SHA256:32230128C18574C1E860DFE4B17FE0334F685740E27BC182E0D525A8948C9C2E
7768npp.8.8.1.Installer.x64.exeC:\Users\admin\AppData\Local\Temp\nsyCCF8.tmp\modern-wizard.bmpimage
MD5:C2CF6928A3AB574A5548B4DC1C38B6C0
SHA256:2125550C12FA512782F2016E802D70BC51F4A06017CFBD4176B4A994EB2542F0
7768npp.8.8.1.Installer.x64.exeC:\Program Files\Notepad++\autoCompletion\typescript.xmlxml
MD5:948B1E1B251350BABAF87A3D314DC6F3
SHA256:A09F978AEBA209E18CD424D98C8BAFB6165777E3992EB09E5E7E0A26BDED4410
7768npp.8.8.1.Installer.x64.exeC:\Users\admin\AppData\Local\Temp\nsyCCF8.tmp\ioSpecial.initext
MD5:E2D5070BC28DB1AC745613689FF86067
SHA256:D95AED234F932A1C48A2B1B0D98C60CA31F962310C03158E2884AB4DDD3EA1E0
7768npp.8.8.1.Installer.x64.exeC:\Program Files\Notepad++\autoCompletion\go.xmltext
MD5:226FA88DE6A4DC87F13B897320EE2204
SHA256:B32FB13F6FB628EEC6B447983DD062C13F7A68E2ADED77BE3C5AF7384935A7FF
7768npp.8.8.1.Installer.x64.exeC:\Users\admin\AppData\Local\Temp\nsyCCF8.tmp\InstallOptions.dllexecutable
MD5:D095B082B7C5BA4665D40D9C5042AF6D
SHA256:B2091205E225FC07DAF1101218C64CE62A4690CACAC9C3D0644D12E93E4C213C
7768npp.8.8.1.Installer.x64.exeC:\Program Files\Notepad++\autoCompletion\gdscript.xmlxml
MD5:E4A787C8BE6FFA469D2914A03622A08D
SHA256:6B0955260345C49A52D8BD35F1A6CFB98F7048894EABABCCE38EEDED00EF630D
7768npp.8.8.1.Installer.x64.exeC:\Program Files\Notepad++\autoCompletion\cobol.xmlxml
MD5:C435D68DF074BA8D660EBACE763E9DA9
SHA256:7690E1BBE3EE5D55B993EBC1F41DF35F5BF1B7AAC7C6B6152A6F1112CB9A6773
7768npp.8.8.1.Installer.x64.exeC:\Program Files\Notepad++\functionList\c.xmlxml
MD5:9AEB2C0DC00ADAEDE0E06F24080F233E
SHA256:F3A7E5E59E883A3EF6C99967766A546D55DD7A767FADB9F4D433CEDF0555E992
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
9
TCP/UDP connections
50
DNS requests
14
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
2104
svchost.exe
GET
200
23.48.23.177:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
whitelisted
2104
svchost.exe
GET
200
23.35.229.160:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
unknown
whitelisted
8132
SIHClient.exe
GET
200
184.30.21.171:80
http://www.microsoft.com/pkiops/crl/Microsoft%20Update%20Signing%20CA%202.1.crl
unknown
whitelisted
8132
SIHClient.exe
GET
200
23.48.23.177:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut_2010-06-23.crl
unknown
whitelisted
8132
SIHClient.exe
GET
200
23.48.23.177:80
http://crl.microsoft.com/pki/crl/products/MicTimStaPCA_2010-07-01.crl
unknown
whitelisted
8132
SIHClient.exe
GET
200
184.30.21.171:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl
unknown
whitelisted
8132
SIHClient.exe
GET
200
184.30.21.171:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Signing%20CA%202.1.crl
unknown
whitelisted
8132
SIHClient.exe
GET
200
184.30.21.171:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Signing%20CA%202.2.crl
unknown
whitelisted
8132
SIHClient.exe
GET
200
184.30.21.171:80
http://www.microsoft.com/pkiops/crl/Microsoft%20Update%20Signing%20CA%202.2.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
2104
svchost.exe
51.104.136.2:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
4
System
192.168.100.255:137
whitelisted
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
172.211.123.250:443
client.wns.windows.com
MICROSOFT-CORP-MSN-AS-BLOCK
FR
whitelisted
2104
svchost.exe
23.48.23.177:80
crl.microsoft.com
Akamai International B.V.
DE
whitelisted
2104
svchost.exe
23.35.229.160:80
www.microsoft.com
AKAMAI-AS
DE
whitelisted
40.126.31.128:443
login.live.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
6544
svchost.exe
40.126.31.128:443
login.live.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
3216
svchost.exe
172.211.123.250:443
client.wns.windows.com
MICROSOFT-CORP-MSN-AS-BLOCK
FR
whitelisted

DNS requests

Domain
IP
Reputation
google.com
  • 142.250.185.78
whitelisted
client.wns.windows.com
  • 172.211.123.250
whitelisted
crl.microsoft.com
  • 23.48.23.177
  • 23.48.23.194
  • 23.48.23.167
  • 23.48.23.141
  • 23.48.23.176
  • 23.48.23.159
  • 23.48.23.180
  • 23.48.23.173
  • 23.48.23.166
whitelisted
www.microsoft.com
  • 23.35.229.160
  • 184.30.21.171
whitelisted
login.live.com
  • 40.126.31.128
  • 40.126.31.0
  • 20.190.159.2
  • 40.126.31.1
  • 40.126.31.2
  • 20.190.159.128
  • 40.126.31.3
  • 20.190.159.130
whitelisted
settings-win.data.microsoft.com
  • 51.104.136.2
whitelisted
slscr.update.microsoft.com
  • 4.175.87.197
whitelisted
fe3cr.delivery.mp.microsoft.com
  • 20.3.187.198
whitelisted
notepad-plus-plus.org
  • 92.113.23.115
whitelisted
activation-v2.sls.microsoft.com
  • 40.91.76.224
whitelisted

Threats

No threats detected
No debug info