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The steam_api64.dll (Steam Client API (buildbot_winslave007@WUS)) File Analysis

Updated 3 months 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 1.0.226.174
Database Version 2025-09-27 02:00:21 UTC
✓

Clean File

No threats detected by our scanner

0%
Detection Rate
966,752
File Size (bytes)
2025-09-27
Analysis Date

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File Identification

Hash Type Value Action
MD5
681d789f521de5b3e53c9eca2031cfe9
SHA1
8305e41f2b5517f18945bada5952a8a5d96ee5e5
SHA256
f8153e9c16140b22163d8e4ffaa453b1f315a772ef54a6c21a253cec596cfda1
SHA512
49fb8b06b2be8c0e352315f0e72d82f646929ac562de8a111d91fc0bb02f18a27df66405deabb0c131944f41f4ede6c93715607b88040ebff5c63f599e85359f
ImpHash
69b2cbed50b5114fd140b97fd2fda93b

PE Analysis

Basic Information

▼
Image Base 0x180000000
Entry Point 0x18027ba90
Compilation Time 2025-07-23 22:42:05
Checksum 0x00000000 (Actual: 0x000f097c)
OS Version 6.0
PEiD Signatures PE32+ executable (DLL) (GUI) x86-64, for MS Windows
Digital Signature The expected hash does not match the digest in SpcInfo
Imports 16 libraries
Exports 1265 functions
Resources 2 Resources
Sections 3 Sections

Version Information

▼
LegalCopyright Copyright (C) NisCkxU544c
InternalName Steam Client API
FileVersion 01.0.1.58
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 1,716,224 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 0x001a4000 884,736 bytes 884,736 bytes 7.94 (Packed/Encrypted) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE 1F50DC96BEF2641D14C22655B2749713
.rsrc 0x0027c000 69,632 bytes 69,632 bytes 5.42 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE 07E4F835D1B988982DAD2720ADCCD61C
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 01.0.1.58
Original Name steam_api.dll
Signing Date 01:06 AM 06/28/2025 (195 days ago)
Verification Status The digital signature of the object did not verify.
Signers Valve Corp.; DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1; DigiCert Trusted Root G4; DigiCert
Counter Signers DigiCert Timestamp 2024; DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA; DigiCert Trusted Root G4; DigiCert
Internal Name Steam Client API
Copyright Copyright (C) NisCkxU544c
Certificate Chain Summary
DigiCert Trusted Root G4 #1 Primary
Validity Period: 2022-08-01 00:00:00 → 2031-11-09 23:59:59
Signature Algorithm: sha384RSA
Serial Number: 0E 9B 18 8E F9 D0 2D E7 EF DB 50 E2 08 40 18 5A
DigiCert Trusted Root G4 #2 Chain
Validity Period: 2013-08-01 12:00:00 → 2038-01-15 12:00:00
Signature Algorithm: sha384RSA
Serial Number: 05 9B 1B 57 9E 8E 21 32 E2 39 07 BD A7 77 75 5C
DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA #3 Chain
Validity Period: 2022-03-23 00:00:00 → 2037-03-22 23:59:59
Signature Algorithm: sha256RSA
Serial Number: 07 36 37 B7 24 54 7C D8 47 AC FD 28 66 2A 5E 5B
DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1 #4 Chain
Validity Period: 2021-04-29 00:00:00 → 2036-04-28 23:59:59
Signature Algorithm: sha384RSA
Serial Number: 08 AD 40 B2 60 D2 9C 4C 9F 5E CD A9 BD 93 AE D9
DigiCert Timestamp 2024 #5 Chain
Validity Period: 2024-09-26 00:00:00 → 2035-11-25 23:59:59
Signature Algorithm: sha256RSA
Serial Number: 0B AE 66 BC 5A BA 7F 95 87 C6 F9 E9 04 E3 33 04
Valve Corp. #6 Chain
Validity Period: 2024-10-12 00:00:00 → 2027-10-08 23:59:59
Signature Algorithm: sha256RSA
Serial Number: 06 FB 83 D0 BA 7C 64 B9 57 84 9B 76 A8 C1 DE 72

✓ 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

The expected hash does not match the digest in SpcInfo

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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