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The steam_api.dll (Steam Client API (buildbot_winslave007@WUS)) File Analysis

Technical Analysis

File Name steam_api.dll
File Type
PE32 executable (DLL) (GUI) Intel 80386, for MS Windows
Scanner Version 1.0.257.174
Database Version 2026-10-18 20:07:04 UTC
✓

Clean File

No threats detected by our scanner

0%
Detection Rate
249,152
File Size (bytes)
2026-10-18
Analysis Date

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File Identification

Hash Type Value Action
MD5
002fe1e1885910f59984ffddbd18d042
SHA1
4b703847aa9863e9812e935780a4dec26b023ca4
SHA256
a3bdf72d19f16fa986030a6774387657d0eb9ff2f749591526850cb9df186cb4
SHA512
552f977f3cd416139637ab6617b771c7c4b53b1048e8503956584063ab63c9973f699f017e96eb5cade6664790b8d75cacbe8568c7ff6d7448f46dd7290fa386
ImpHash
170404cc23b6aab4e5d1fb7c3d476344

PE Analysis

Basic Information

▼
Image Base 0x10000000
Entry Point 0x100a8790
Compilation Time 2015-11-12 13:20:10
Checksum 0x0004c1ba (Actual: 0x0004c1ba)
OS Version 6.0
PEiD Signatures PE32 executable (DLL) (GUI) Intel 80386, for MS Windows
Digital Signature Chain verification from CN=WUS! (serial:94692779207911719044271035721816510637, sha1:379ae57b7589691632e4aa1752ea29ce22d869fd) failed: The X.509 certificate provided is self-signed - "Common Name: WUS!"
Imports 8 libraries
KERNEL32, ADVAPI32, ntdll, PSAPI, SHELL32, SHLWAPI, USER32, WS2_32
Exports 116 functions
Resources 2 Resources
Sections 3 Sections

Version Information

▼
LegalCopyright Copyright (C) NisCkxU544c
InternalName Steam Client API
FileVersion 01.0.0.89
CompanyName Valve Corporation
ProductVersion 01.00.00.01
FileDescription Steam Client API (buildbot_winslave007@WUS)
Source Control ID 1337110
OriginalFilename steam_api.dll
ProductName Steam Client API
Translation 0x0409 0x04b0
CompanyName Valve Corporation
FileDescription Steam Client API
FileVersion 1, 0, 0, 1
InternalName Steam Client API
LegalCopyright Copyright (C) 2007
OriginalFilename steam_api.dll
ProductName Steam Client API
ProductVersion 1, 0, 0, 1
Translation 0x0409 0x04b0

PE Sections

▼
Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
WUS0 0x00001000 446,464 bytes 0 bytes 0.00 (Normal) IMAGE_SCN_CNT_UNINITIALIZED_DATA|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE D41D8CD98F00B204E9800998ECF8427E
WUS1 0x0006e000 241,664 bytes 240,128 bytes 7.93 (Packed/Encrypted) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE 4686529608DFE00940F5CEF6ED05519E
.rsrc 0x000a9000 8,192 bytes 6,656 bytes 4.80 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE E89EC2A664DF566B8A101001C947F62A
Entropy Analysis Alert

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

Resource Analysis

▼
Total Resources: 2 (1,640 bytes)
Resource Type Count Total Size Percentage
RT_VERSION 2 1,640 bytes
100%

Certificate Chain Analysis

▼
Certificate Information
Product Steam Client API
Description Steam Client API (buildbot_winslave007@WUS)
File Version 01.0.0.89
Original Name steam_api.dll
Verification Status A certificate chain processed, but terminated in a root certificate which is not trusted by the trust provider.
Signers WUS!
Internal Name Steam Client API
Copyright Copyright (C) NisCkxU544c
Certificate Chain Summary
WUS! #1 Primary
Validity Period: 2014-06-30 22:00:00 → 2087-12-31 22:00:00
Signature Algorithm: 1.3.14.3.2.29
Serial Number: 47 3D 2A 78 61 AD 04 BD 4C 92 C8 C2 DF E0 90 AD

✓ This file has been digitally signed and the certificate chain has been verified

  • The signature ensures file integrity and authenticity from the publisher
  • Timestamping proves when the signature was applied
Certificate Verification Status

Chain verification from CN=WUS! (serial:94692779207911719044271035721816510637, sha1:379ae57b7589691632e4aa1752ea29ce22d869fd) failed: The X.509 certificate provided is self-signed - "Common Name: WUS!"

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

Remember: This is Result of Online Virus Scanner

Gridinsoft Anti-Malware has a much more powerful virus scanning engine. We recommend using it for a more precise diagnosis of infected systems. This brief guide will help you install our flagship product for more accurate diagnostics:

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Keep Your System Protected

This file appears clean, but regular security maintenance is important

  1. 1
    Weekly Quick Scans: Set a reminder to run a scan every Sunday. Most infections are caught within the first week, so regular checks give you peace of mind.
  2. 2
    Update Everything: Those annoying update popups exist for a reason — they patch security holes. Windows, browsers, Adobe, Java — keep them all current.
  3. 3
    Download Smart: Stick to official websites and app stores. If a "free" version of paid software sounds too good to be true, it probably comes with unwanted extras.
  4. 4
    Think Before You Click: Malware loves email attachments and "urgent" links. Even if an email looks like it's from your bank or a friend, verify suspicious requests through a different channel.
Proactive Protection
This file looks clean right now, but that doesn't mean you should let your guard down. New malware appears daily, and even legit files can be compromised after download. When in doubt, verify the source and check for a digital signature.

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