Steam_api64.dll Trojan Agent Analysis

Updated 2 days ago

Checked by Malware Check

steam_api64.dll

Technical Analysis

File Name	steam_api64.dll
File Type	PE32+ executable (DLL) (GUI) x86-64, for MS Windows
Scanner Version	1.0.257.174
Database Version	2026-10-16 11:07:03 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

1,833,984

File Size (bytes)

2026-10-16

Analysis Date

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File Identification

Hash Type	Value	Action
MD5	74d0b1a18535a5cc4617e3c71e59a0f3
SHA1	873720165270856357d862c9c03e73554d86bdf9
SHA256	48999730488636e9379012256a7bd4d40867bf2473442377464b2c5ecb01ed2f
SHA512	7bbba202e6349fcc3d9a91c1d65ed88853b54c195c9ac3616db261a977a9611d9eda977cc1611dd76c9e23bcec82467d968210c92d8ba1dee049467308e70141
ImpHash	59a177e2eaeb433c79fbaf15e2da0d4f

PE Analysis

Basic Information

▼

Image Base	`0x180000000`
Entry Point	`0x1800967c0`
Compilation Time	2024-12-06 07:57:16
Checksum	0x00000000 (Actual: 0x001c7d11)
OS Version	6.0
PEiD Signatures	`PE32+ executable (DLL) (GUI) x86-64, for MS Windows`
Digital Signature	No valid SignedData structure was found.
Imports	7 libraries XINPUT1_4, SHLWAPI, WS2_32, KERNEL32, USER32, ADVAPI32, msvcrt
Exports	1256 functions
Resources	0 Resources
Sections	5 Sections

PE Sections

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Name	Virtual Address	Virtual Size	Raw Size	Entropy	Characteristics	MD5
`.text`	`0x00001000`	696,772 bytes	696,832 bytes	6.52 (Compressed)	`IMAGE_SCN_CNT_CODE\|IMAGE_SCN_MEM_EXECUTE\|IMAGE_SCN_MEM_READ`	`1C04D2586BD3F32423E0B9FA25012969`
`.rdata`	`0x000ac000`	341,054 bytes	341,504 bytes	5.67 (Normal)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_READ`	`47077AFA170D4EBDBEBDA500E065ADDC`
`.data`	`0x00100000`	779,320 bytes	757,248 bytes	7.63 (Packed/Encrypted)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_READ\|IMAGE_SCN_MEM_WRITE`	`B55945672CE1668F9268EFC2A7A39F1E`
`.pdata`	`0x001bf000`	21,540 bytes	22,016 bytes	5.76 (Normal)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_READ`	`21BBBF8E4181CF9BA74865557D14D466`
`.reloc`	`0x001c5000`	14,864 bytes	15,360 bytes	5.42 (Normal)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_DISCARDABLE\|IMAGE_SCN_MEM_READ`	`159C116733E980C4ACE5AFD3F8C9A509`

Entropy Analysis Alert

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

1 section(s) with elevated entropy (≥6.5) - possible compression

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.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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