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Npp.8.8.2.Installer.x64.exe Trojan Agent Analysis

Updated 2 days ago
Checked by Malware Check
npp.8.8.2.Installer.x64.exe

Technical Analysis

File Name npp.8.8.2.Installer.x64.exe
File Type
PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive
Scanner Version 1.0.221.174
Database Version 2025-07-22 14:00:25 UTC
⚠

Trojan.Win32.Agent.cl

Malware family: Agent

Trojan Agent malware disguises itself as legitimate software while performing unauthorized activities including data theft and providing remote system access to threat actors.
N/A
Detection Rate
6,798,017
File Size (bytes)
2025-07-22
Analysis Date

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File Identification

Hash Type Value Action
MD5
26b9167cc02670947608d30b92513d5e
SHA1
262aff26f54f0de188ecf265545ae6425403a620
SHA256
49852273a3e98ad1266a5bb7cd056e1154cc6d14e7c2a6e308ae95f355ca10cf
SHA512
40b5485ea1c4076c027a6d6024bef94da1083301e9c77d860468a59271e0420d933a4a5f78440633f4dc337a1450b568d6a14f6f1f067046ac30defce82963cf
ImpHash
9dda1a1d1f8a1d13ae0297b47046b26e

PE Analysis

Basic Information

▼
Icon
Hash: f2e5acd4870254a6d08cf9d4e77bf22f
Fuzzy: 340c0ef45c5965aa4623f64e08dc1a12
dHash: a2a9d8f88a88c9c0
Image Base 0x00400000
Entry Point 0x00403645
Compilation Time 2023-07-02 02:09:43
Checksum 0x00000000 (Actual: 0x00681341)
OS Version 4.0
PEiD Signatures PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive
Digital Signature No valid SignedData structure was found.
Imports 7 libraries
ADVAPI32, SHELL32, ole32, COMCTL32, USER32, GDI32, KERNEL32
Exports 0 functions
Resources 65 Resources
Sections 5 Sections

Version Information

▼
CompanyName Don HO [email protected]
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
Translation 0x0409 0x04b0

PE Sections

▼
Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
.text 0x00001000 26,295 bytes 26,624 bytes 6.44 (Normal) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ E65344AC983813901119E185754EC24E
.rdata 0x00008000 4,952 bytes 5,120 bytes 5.10 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ BD82D08A08DA8783923A22B467699302
.data 0x0000a000 129,912 bytes 1,536 bytes 4.13 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE CAA377D001CFC3215A3EDFF6D7702132
.ndata 0x0002a000 122,880 bytes 0 bytes 0.00 (Normal) IMAGE_SCN_CNT_UNINITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE D41D8CD98F00B204E9800998ECF8427E
.rsrc 0x00048000 156,128 bytes 156,160 bytes 5.73 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 041C872B36ED1609A4BA0CA9F02C9842

Resource Analysis

▼
Total Resources: 65 (152,740 bytes)
Resource Type Count Total Size Percentage
RT_BITMAP 1 1,638 bytes
1.1%
RT_ICON 5 133,786 bytes
87.6%
RT_DIALOG 56 15,312 bytes
10%
RT_GROUP_ICON 1 76 bytes
0%
RT_VERSION 1 668 bytes
0.4%
RT_MANIFEST 1 1,260 bytes
0.8%

Certificate Chain Analysis

▼
No Digital Signatures

This file is not digitally signed.

Security Implications:
  • Cannot verify the publisher's identity
  • Increased security risk when running this file
  • May trigger security warnings on some systems

⚠ This file either lacks a digital signature or the certificate chain could not be verified
Exercise caution when executing unsigned files from unknown sources

Certificate Verification Status

No valid SignedData structure was found.

Recommendation: Verify the file source and ensure it comes from a trusted publisher.

Trojan.Win32.Agent.cl Removal

Gridinsoft has the capability to identify and eliminate Trojan.Win32.Agent.cl without requiring further user intervention.

Download Anti-Malware

Removal Instructions

Follow these steps to completely remove the threat from your system

  1. Start by downloading Gridinsoft Anti-Malware to your computer.
  2. Double-click on the gsam-en-install.exe file and follow the on-screen instructions to install the program.
  3. Once the installation of Gridinsoft Anti-Malware is complete, the program will open on the Scan screen.
  4. Click on the "Standard Scan" button to begin scanning your computer for threats.
  5. After the scanning process is finished, click on "Clean Now" to remove any detected threats.
  6. If prompted, restart your system to complete the removal process and ensure all threats are eliminated.
Important: Before You Start
Disconnect from the internet to prevent the malware from spreading or downloading additional threats. Run the scan in Safe Mode for better detection and removal of persistent threats.

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