Steamclient_loader_x64.exe Trojan Agent Analysis

Updated 11 hours ago

Checked by Malware Check

steamclient_loader_x64.exe

Technical Analysis

File Name	steamclient_loader_x64.exe
File Type	PE32+ executable (GUI) x86-64, for MS Windows
Scanner Version	1.0.257.174
Database Version	2026-10-18 18:07:03 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

351,656

File Size (bytes)

2026-10-18

Analysis Date

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File Identification

Hash Type	Value	Action
MD5	24fb0a04df36eb0bc270f31fa300e361
SHA1	bab1f7578a8a563e4657dc7b9fcc7a50788d91ac
SHA256	19c5defe2ad3d6100aaf2b257b2ec147ab922c7c08a3eef9b6a3fb4198664696
SHA512	bb6a5966671b537d4baf0be98ac524dc21f0af88892c0061f9b9290d98454755757842ed8b0341f5499962adc4411754bdb7686f18ea47e3bf3f11f5029f9300
ImpHash	49c27630455b17ef7e9583a54c2b29f7

PE Analysis

Basic Information

▼

Image Base	`0x140000000`
Entry Point	`0x14001d840`
Compilation Time	2026-08-23 13:52:26
Checksum	0x0005dd2f (Actual: 0x0005dd2f)
OS Version	6.0
PEiD Signatures	`PE32+ executable (GUI) x86-64, for MS Windows`
Digital Signature	Chain verification from C=UK, O=GSE, OU=GSE, CN=GSE (serial:325283112864074318427493041810245050876924027055, sha1:d3792722e5e5d6c0e459abb9a2f6cdc9a5507439) failed: The X.509 certificate provided is self-signed - "Common Name: GSE, Organizational Unit: GSE, Organization: GSE, Country: UK"
Imports	3 libraries USER32, KERNEL32, ADVAPI32
Exports	0 functions
Resources	4 Resources
Sections	7 Sections

Version Information

▼

LegalCopyright	Copyright (C) 2021 GSE
InternalName	GSE (win64)
FileVersion	08.56.38.63
CompanyName	GSE
ProductVersion	01.00.00.02
FileDescription	GSE
Source Control ID	8563863
OriginalFilename	steam.exe
ProductName	GSE
Translation	0x0409 0x04b0
CompanyName	GSE
FileDescription	GSE
FileVersion	1, 0, 0, 2
InternalName	GSE
LegalCopyright	Copyright (C) 2021 GSE
OriginalFilename	steam.exe
ProductName	GSE
ProductVersion	1, 0, 0, 2
Translation	0x0409 0x04b0

PE Sections

▼

Name	Virtual Address	Virtual Size	Raw Size	Entropy	Characteristics	MD5
`.text`	`0x00001000`	229,260 bytes	229,376 bytes	6.42 (Normal)	`IMAGE_SCN_CNT_CODE\|IMAGE_SCN_MEM_EXECUTE\|IMAGE_SCN_MEM_READ`	`7A9B6434134898CE7702C0FB094E4782`
`.rdata`	`0x00039000`	92,542 bytes	92,672 bytes	5.08 (Normal)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_READ`	`DD79AB4DFBBFAB560AD5274149EA5A98`
`.data`	`0x00050000`	177,436 bytes	6,656 bytes	3.06 (Normal)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_READ\|IMAGE_SCN_MEM_WRITE`	`B8B271B813AEE19AD34DF1E29C1DAC69`
`.pdata`	`0x0007c000`	12,924 bytes	13,312 bytes	5.46 (Normal)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_READ`	`1EC73A32A1D082B02E94F69A5B358411`
`.fptable`	`0x00080000`	256 bytes	512 bytes	0.00 (Normal)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_READ\|IMAGE_SCN_MEM_WRITE`	`BF619EAC0CDF3F68D496EA9344137E8B`
`.rsrc`	`0x00081000`	2,072 bytes	2,560 bytes	3.40 (Normal)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_READ`	`4F30D42B6BC3E75C116F10F294EBC9EA`
`.reloc`	`0x00082000`	2,700 bytes	3,072 bytes	5.15 (Normal)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_DISCARDABLE\|IMAGE_SCN_MEM_READ`	`3E020A3205C1B30295FAB900A9D7BE45`

Resource Analysis

▼

Total Resources: 4 (1,760 bytes)

Resource Type	Count	Total Size	Percentage
SCID	1	7 bytes	0.4%
RT_VERSION	2	1,372 bytes	78%
RT_MANIFEST	1	381 bytes	21.6%

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 C=UK, O=GSE, OU=GSE, CN=GSE (serial:325283112864074318427493041810245050876924027055, sha1:d3792722e5e5d6c0e459abb9a2f6cdc9a5507439) failed: The X.509 certificate provided is self-signed - "Common Name: GSE, Organizational Unit: GSE, Organization: GSE, Country: UK"

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.

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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