Kdserial.dll Trojan Agent Analysis

Updated 2 days ago

Checked by Malware Check

kdserial.dll

Technical Analysis

File Name	kdserial.dll
File Type	PE32+ executable (DLL) (native) x86-64, for MS Windows
Scanner Version	1.0.249.174
Database Version	2026-07-05 11:00:33 UTC

⚠

Trojan.Win64.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

31,184

File Size (bytes)

2026-07-05

Analysis Date

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File Identification

Hash Type	Value	Action
MD5	0d988769f84e83c86f84ce854363e062
SHA1	2a126541cf89ec4196a907c694ee6ecb5181600d
SHA256	75ea54ec02f58ec8ab9f015787fc2e7f66ee328b5c9729904fd8d9db760dbaa1
SHA512	a7324eba36eacfa72628bb6c4ef41406a7889fa5a0e63c52765af01043536eeb28282bfd5478809d477392794740731b4b47a6138feda8f8117497f74447baee
ImpHash	6358ef294754edad6f5d13aee2ac7743

PE Analysis

Basic Information

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Image Base	`0x180000000`
Entry Point	`0x180000000`
Compilation Time	2026-03-19 09:12:52
Checksum	0x000125a8 (Actual: 0x000125a8)
OS Version	10.0
PEiD Signatures	`PE32+ executable (DLL) (native) x86-64, for MS Windows`
PDB Path	`C:\Users\Andrea\Documents\Denuvo\hypervisor\IntelTest2.1\build\bin\release\kdserial.pdb`
Digital Signature	Chain verification from CN=WDKTestCert Andrea\,134148471099622667 (serial:163601485353409339726200415836759521525, sha1:e7aa0d1bd30d226ae58072f3cd9ca8e987b91b3d) failed: The X.509 certificate provided is self-signed - "Common Name: WDKTestCert Andrea,134148471099622667"
Imports	2 libraries ntoskrnl, HAL
Exports	14 functions
Resources	0 Resources
Sections	8 Sections

PE Sections

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Name	Virtual Address	Virtual Size	Raw Size	Entropy	Characteristics	MD5
`.text`	`0x00001000`	19,302 bytes	19,456 bytes	6.08 (Normal)	`IMAGE_SCN_CNT_CODE\|IMAGE_SCN_MEM_NOT_PAGED\|IMAGE_SCN_MEM_EXECUTE\|IMAGE_SCN_MEM_READ`	`5F94D1AB94E8B46213C4F0E6EBEE275A`
`.rdata`	`0x00006000`	3,524 bytes	3,584 bytes	4.21 (Normal)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_NOT_PAGED\|IMAGE_SCN_MEM_READ`	`A449A5F49C8BB9C54E0A04D8E1DBC363`
`.data`	`0x00007000`	4,674 bytes	1,536 bytes	2.07 (Normal)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_NOT_PAGED\|IMAGE_SCN_MEM_READ\|IMAGE_SCN_MEM_WRITE`	`FC9B4A7131CE97037BCA23A403812ACA`
`.pdata`	`0x00009000`	1,068 bytes	1,536 bytes	3.14 (Normal)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_NOT_PAGED\|IMAGE_SCN_MEM_READ`	`1B61E950EBEA21560411E7CE5AA6D553`
`PAGE`	`0x0000a000`	280 bytes	512 bytes	3.90 (Normal)	`IMAGE_SCN_CNT_CODE\|IMAGE_SCN_MEM_EXECUTE\|IMAGE_SCN_MEM_READ`	`B4DB11BBCC2119F26D9D91DC67BF3BDD`
`.edata`	`0x0000b000`	457 bytes	512 bytes	4.58 (Normal)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_READ`	`C017F56FB01A2057AC9143B5A3C13D38`
`INIT`	`0x0000c000`	492 bytes	512 bytes	4.42 (Normal)	`IMAGE_SCN_CNT_CODE\|IMAGE_SCN_MEM_DISCARDABLE\|IMAGE_SCN_MEM_EXECUTE\|IMAGE_SCN_MEM_READ`	`59D33AC796E39A06494C274850098E0B`
`.reloc`	`0x0000d000`	256 bytes	512 bytes	3.18 (Normal)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_DISCARDABLE\|IMAGE_SCN_MEM_READ`	`EC040150BB47BA5DECC2CE31FE2F8F7D`

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

Chain verification from CN=WDKTestCert Andrea\,134148471099622667 (serial:163601485353409339726200415836759521525, sha1:e7aa0d1bd30d226ae58072f3cd9ca8e987b91b3d) failed: The X.509 certificate provided is self-signed - "Common Name: WDKTestCert Andrea,134148471099622667"

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

Trojan.Win64.Agent.cl Removal

Gridinsoft has the capability to identify and eliminate Trojan.Win64.Agent.cl without requiring further user intervention.

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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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