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The steam_api.dll (Steam Client API (buildbot_winslave007@WUS)) File 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 1.0.226.174
Database Version 2025-09-28 18:00:33 UTC
✓

Clean File

No threats detected by our scanner

0%
Detection Rate
257,312
File Size (bytes)
2025-09-28
Analysis Date

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File Identification

Hash Type Value Action
MD5
23767288e6a003aaaa54355cbe108da8
SHA1
c7f21dc71491fe661c698f5c561405c0e3f423c1
SHA256
209135c082a8ef8323479384e97d769d9b2d98f727bbb34a7806ce150b750c89
SHA512
a870b2f99da48ad07f9b36d6730d74af5f285af12e21a24d61e6e3023d5917920bd343fe295b7374a2065bf9c09b6f1cbb03fbcf05206f4bd0544b5f0eb0e147
ImpHash
06e305bee2daaee7e460215e3cec08cf

PE Analysis

Basic Information

▼
Image Base 0x10000000
Entry Point 0x100aea60
Compilation Time 2017-09-08 19:48:31
Checksum 0x00047129 (Actual: 0x00047129)
OS Version 6.0
PEiD Signatures PE32 executable (DLL) (GUI) Intel 80386, for MS Windows
Digital Signature Chain verification from CN=WUS! (serial:-57719131853525794810908100208052901995, sha1:64630c990ce6ee87c16c7f57d274526d62d8dafa) 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 89 functions
Resources 2 Resources
Sections 3 Sections

Version Information

▼
LegalCopyright Copyright (C) NisCkxU544c
InternalName Steam Client API
FileVersion 01.0.1.15
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 462,848 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 0x00072000 249,856 bytes 249,344 bytes 7.93 (Packed/Encrypted) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE E03E689086FAA2BA41FF635BAC26C695
.rsrc 0x000af000 8,192 bytes 5,632 bytes 4.79 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE 318939496A1D86D96F04AD99E879275E
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 01.0.1.15
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: 2014-07-01 08:00:00 → 2088-01-01 08:00:00
Signature Algorithm: 1.3.14.3.2.29
Serial Number: D4 93 B3 16 5B FB 8F B8 4D 4E 52 BE FA E4 67 95

✓ 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:-57719131853525794810908100208052901995, sha1:64630c990ce6ee87c16c7f57d274526d62d8dafa) 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. Regular Scans: Run weekly system scans to detect new threats before they can cause damage.
  2. Keep Software Updated: Ensure your operating system and all applications have the latest security patches.
  3. Safe Browsing: Avoid suspicious websites and never download software from untrusted sources.
  4. Email Security: Be cautious with email attachments and links, even from known contacts.
Proactive Protection
This file passed all security checks, but stay vigilant. New malware variants appear daily that can evade detection. Always verify files come from official sources and check digital signatures when available.

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