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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 1.0.225.174
Database Version 2025-09-26 02:00:35 UTC
✓

Clean File

No threats detected by our scanner

0%
Detection Rate
414,568
File Size (bytes)
2025-09-26
Analysis Date

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File Identification

Hash Type Value Action
MD5
9b1bf4cb47a2dae2329fdd235ec962ae
SHA1
eba5e3a90f7657371b94235cf84ca85552b71ff3
SHA256
bf35be6fa416071bd1a079e0285c73840fc226ea54992d77aad162f79222a7f8
SHA512
80062da82246c4fe3f46a10b6071ccd795849d2f24b402e8d58d0fe508e476388cabd95b86d8b1345ea49477132ff959bdd41b9eb8a852b9a792ba439934cb8e
ImpHash
36ac90dd6953fff291486bad52bfea87

PE Analysis

Basic Information

▼
Image Base 0x180000000
Entry Point 0x180101790
Compilation Time 2024-09-29 20:58:33
Checksum 0x00000000 (Actual: 0x0006705d)
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 7 libraries
KERNEL32, ntdll, PSAPI, SHELL32, SHLWAPI, USER32, WS2_32
Exports 1226 functions
Resources 2 Resources
Sections 3 Sections

Version Information

▼
LegalCopyright Copyright (C) NisCkxU544c
InternalName Steam Client API
FileVersion 01.0.1.51
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 716,800 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 0x000b0000 335,872 bytes 334,848 bytes 7.93 (Packed/Encrypted) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE 101E9AFE7FBA28BF7E8FE4DEB098B5E7
.rsrc 0x00102000 69,632 bytes 67,072 bytes 5.42 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE 0DD0DBDA12B6D100FE8DD0B1ED22C678
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 01.0.1.51
Original Name steam_api.dll
Signing Date 08:03 PM 09/17/2024 (480 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 2023; 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 2023 #5 Chain
Validity Period: 2023-07-14 00:00:00 → 2034-10-13 23:59:59
Signature Algorithm: sha256RSA
Serial Number: 05 44 AF F3 94 9D 08 39 A6 BF DB 3F 5F E5 61 16
Valve Corp. #6 Chain
Validity Period: 2021-10-07 00:00:00 → 2024-10-09 23:59:59
Signature Algorithm: sha256RSA
Serial Number: 06 89 B3 BC EB 44 09 89 0A 32 D7 19 76 B1 32 A4

✓ 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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