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Steam_api.dll Trojan Heuristic Analysis

Updated 3 months ago
Checked by Malware Check
steam_api.dll

Technical Analysis

File Name steam_api.dll
File Type
PE32 executable (DLL) (GUI) Intel 80386, for MS Windows
Scanner Version 1.0.225.174
Database Version 2025-09-25 14:00:29 UTC
⚠

Trojan.Heur!.032100A0

Malware family: Heuristic

Heuristic detection uses behavioral analysis and pattern recognition to identify potential threats without specific signatures. This proactive approach detects suspicious code behavior that may indicate malware presence. Detection may occasionally produce false positives when legitimate software exhibits similar behavioral patterns.
N/A
Detection Rate
806,400
File Size (bytes)
2025-09-25
Analysis Date

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File Identification

Hash Type Value Action
MD5
e9cae6811303c9bcab9ef70b9328f7d2
SHA1
3b99613574b4ec6151aceddecd13a6fae1b85a8d
SHA256
3c61a584daaf1cb52a404fa2573b1cb1e504310fa167184883e7dab1049cac86
SHA512
aa19ae2732ee4e7193331dc22689cfe2e042d46506d3036be99b0c3e89f47bbd745e724c3b43573de0a3f3bb2f9537425d8907d93bb5aed4bb56622d01fb5253
ImpHash
11480b6217d10331053f089ec3ed9a49

PE Analysis

Basic Information

▼
Image Base 0x10000000
Entry Point 0x10c9c665
Compilation Time 2016-02-17 10:18:51
Checksum 0x000ca48a (Actual: 0x000ca48a)
OS Version 5.1
PEiD Signatures PE32 executable (DLL) (GUI) Intel 80386, for MS Windows
Digital Signature No valid SignedData structure was found.
Imports 7 libraries
KERNEL32, USER32, ADVAPI32, SHELL32, WS2_32, WINHTTP, PSAPI
Exports 829 functions
Resources 2 Resources
Sections 7 Sections

Version Information

▼
Comments Valve SpecialBuild
CompanyName Valve Corporation
FileDescription Steam Client API
FileVersion 03.27.76.74
InternalName Steam Client API (buildbot_steam-rel-win32-builder_steam_rel_client_win32@steam-rel-win32-builder)
LegalCopyright Copyright (C) 2007
OriginalFilename steam_api.dll
ProductName Steam Client API
ProductVersion 01.00.00.01
Source Control ID 3277674
Translation 0x0804 0x04b0

PE Sections

▼
Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
.text 0x00001000 347,108 bytes 0 bytes 0.00 (Normal) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ D41D8CD98F00B204E9800998ECF8427E
.rdata 0x00056000 165,432 bytes 0 bytes 0.00 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ D41D8CD98F00B204E9800998ECF8427E
.data 0x0007f000 11,502,404 bytes 0 bytes 0.00 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE D41D8CD98F00B204E9800998ECF8427E
.ALI2130 0x00b78000 612,116 bytes 0 bytes 0.00 (Normal) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ D41D8CD98F00B204E9800998ECF8427E
.ALI2131 0x00c0e000 802,540 bytes 802,816 bytes 7.98 (Packed/Encrypted) IMAGE_SCN_CNT_CODE|IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE 2ABF804A44D06BF17F070AD31AFD17D6
.reloc 0x00cd2000 180 bytes 512 bytes 1.88 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ FC759DDDFBD93C82548266A1608516C9
.rsrc 0x00cd3000 1,554 bytes 2,048 bytes 3.34 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 888618F6C88978940C8F2CA81BBEEAC4
Entropy Analysis Alert

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

Resource Analysis

▼
Total Resources: 2 (1,394 bytes)
Resource Type Count Total Size Percentage
RT_VERSION 1 1,048 bytes
75.2%
RT_MANIFEST 1 346 bytes
24.8%

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.Heur!.032100A0 Removal

Gridinsoft has the capability to identify and eliminate Trojan.Heur!.032100A0 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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