WinToolsNet.exe Trojan Agent Analysis

Updated 10 hours ago

Checked by Malware Check

WinToolsNet.exe

Technical Analysis

File Name	WinToolsNet.exe
File Type	MS-DOS executable PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows, MZ for MS-DOS
Scanner Version	1.0.257.174
Database Version	2026-10-18 19:07:03 UTC

⚠

Trojan.Win32.Agent.sa

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

2,878,976

File Size (bytes)

2026-10-18

Analysis Date

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File Identification

Hash Type	Value	Action
MD5	a0946250850516f494cbfd43c2b2b9db
SHA1	6189ac9acd8800211d20eaced2bfc8368ff3d8ee
SHA256	ba38be61a59e64b9462b7db2985951fb33853e1ea97263d37d0c7e475a5ea6cc
SHA512	9e7cfcafff000f32483483b2f23c0586ea25977fec42581a447e64d68eb74bdb0911e410b624dec02d8bce2d18ee00e89619df9e61c14a0a477de5de9d11a476
ImpHash	fa2c9800f6817f3d4350be2e4dbbfa57

PE Analysis

Basic Information

▼

Icon	Hash: b5f7819a0cff11f058e7453a087b55d8 Fuzzy: 5407546b8f1a048230a38b45bbe5dcc4 dHash: 38f4f0b08acc7a38
Image Base	`0x00400000`
Entry Point	`0x00926291`
Compilation Time	2026-10-12 15:31:34
Checksum	0x00000000 (Actual: 0x002c8801)
OS Version	5.1
PEiD Signatures	`MS-DOS executable PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows, MZ for MS-DOS`
Digital Signature	No valid SignedData structure was found.
Imports	11 libraries
Exports	0 functions
Resources	659 Resources
Sections	3 Sections

Version Information

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CompanyName	WinTools Software, Ltd.
FileDescription	WinTools.net - Windows System Optimization Suite
FileVersion	26.10.1.0
InternalName	WinTools.net®
LegalCopyright	Copyright © 2002–2026 All rights reserved.
LegalTrademarks	https://www.wintools.net
OriginalFilename	WINTOOLSNET.EXE
ProductName	WinTools.net
ProductVersion	26.10.1.0
Comments	CEO Ruslan Smekalov
Translation	0x0009 0x04b0

PE Sections

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Name	Virtual Address	Virtual Size	Raw Size	Entropy	Characteristics	MD5
	`0x00001000`	5,394,432 bytes	480,256 bytes	8.00 (Packed/Encrypted)	`IMAGE_SCN_CNT_CODE\|IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_CNT_UNINITIALIZED_DATA\|IMAGE_SCN_MEM_EXECUTE\|IMAGE_SCN_MEM_READ\|IMAGE_SCN_MEM_WRITE`	`FBC7015E825820614EBC90992647E285`
	`0x00526000`	3,579 bytes	3,584 bytes	6.03 (Normal)	`IMAGE_SCN_CNT_CODE\|IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_CNT_UNINITIALIZED_DATA\|IMAGE_SCN_MEM_EXECUTE\|IMAGE_SCN_MEM_READ\|IMAGE_SCN_MEM_WRITE`	`2C55BE57427D5AE3F6FC67FC6C6866E5`
`.rsrc`	`0x00527000`	2,394,464 bytes	2,394,624 bytes	4.50 (Normal)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_READ\|IMAGE_SCN_MEM_WRITE`	`9C3E5965DE31DA6348220EB61103BBAF`

Entropy Analysis Alert

1 section(s) with high entropy (≥7.5) detected - possible packing/encryption

Resource Analysis

▼

Total Resources: 659 (4,406,184 bytes)

Resource Type	Count	Total Size	Percentage
RT_BITMAP	70	2,037,106 bytes	46.2%
RT_ICON	287	2,354,729 bytes	53.4%
RT_DIALOG	17	6,234 bytes	0.1%
RT_STRING	2	426 bytes	0%
RT_ACCELERATOR	1	200 bytes	0%
RT_GROUP_ICON	280	5,698 bytes	0.1%
RT_VERSION	1	1,020 bytes	0%
RT_MANIFEST	1	771 bytes	0%

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.sa Removal

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

Download Anti-Malware

Removal Instructions

Follow these steps to completely remove the threat from your system

1
Get Gridinsoft Anti-Malware — it's a quick 2 MB download that won't slow down your PC.
2
Run the installer gsam-en-install.exe. The setup takes about 2 minutes and doesn't require a restart.
3
The app launches right after installation. You'll see the main dashboard with the scan button front and center.
4
Hit "Standard Scan" — this checks all the spots where malware typically hides: temp folders, browser data, startup programs, and system directories.
5
Once the scan finds this threat, click "Clean Now". The removal usually happens instantly, though some stubborn infections may need a reboot.
6
If you see a restart prompt, go ahead and reboot. This clears any malware that was running in memory and ensures your system starts fresh.

Important: Before You Start

Quick tip: unplug from the internet before scanning. Some malware phones home for instructions or downloads extra payloads when it senses trouble. If the infection is severe, boot into Safe Mode first — it limits what can run and makes cleanup easier.

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