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

Technical Analysis

File Name steam_api64.dll
File Type
PE32+ executable (DLL) (GUI) x86-64, for MS Windows
Scanner Version 1.0.231.174
Database Version 2025-12-15 22:00:29 UTC

Clean File

No threats detected by our scanner

0%
Detection Rate
981,144
File Size (bytes)
2025-12-15
Analysis Date

Scan Another File

File Identification

Hash Type Value Action
MD5
032e9bd2aa129a5b078911f1b5cad169
SHA1
71fbb2628dbb0b3610b6a5c705393cc1371f8e1c
SHA256
2bdffdf52a6b38fb5044b3e202fd286fb600a6278d8d65cad9fff76f2a16dd9d
SHA512
2fdbd4b3ad69433a16e1e89e7dd2e6263e438a88333778c14f59b9152226b6bd1ab67c11b7a308b761dbbfcdd096867d5276509aae2644290c9b0976de2b24d5
ImpHash
69b2cbed50b5114fd140b97fd2fda93b

PE Analysis

Basic Information

Image Base 0x180000000
Entry Point 0x1802822d0
Compilation Time 2025-12-10 21:16:19
Checksum 0x00000000 (Actual: 0x000f6c50)
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 01.0.1.65
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 1,728,512 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 0x001a7000 901,120 bytes 899,072 bytes 7.94 (Packed/Encrypted) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE 49D8CD87A26A5EBE91AF113E9F8ED0EF
.rsrc 0x00283000 69,632 bytes 69,632 bytes 5.46 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE A3A85B154410171A01029BDAD697A202
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 01.0.1.65
Original Name steam_api.dll
Signing Date 06:52 AM 11/22/2025 (48 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 SHA256 RSA4096 Timestamp Responder 2025 1; DigiCert Trusted G4 TimeStamping RSA4096 SHA256 2025 CA1; 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 Code Signing RSA4096 SHA384 2021 CA1 #3 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 Trusted G4 TimeStamping RSA4096 SHA256 2025 CA1 #4 Chain
Validity Period: 2025-05-07 00:00:00 → 2038-01-14 23:59:59
Signature Algorithm: sha256RSA
Serial Number: 0D C7 AC 57 05 FF 21 99 2E 40 43 22 0C 3A 49 86
Valve Corp. #5 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
DigiCert SHA256 RSA4096 Timestamp Responder 2025 1 #6 Chain
Validity Period: 2025-06-04 00:00:00 → 2036-09-03 23:59:59
Signature Algorithm: sha256RSA
Serial Number: 0A 80 EF 18 4B 8D F1 05 82 D1 C4 76 A7 95 74 68

✓ 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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