The steam api64 dll (Steam Client API) Valve Corporation File Malware Analysis
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The steam_api64.dll (Steam Client API) File Analysis

Updated 1 month 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 1.0.229.174
Database Version 2025-12-03 06:00:33 UTC
✓

Clean File

No threats detected by our scanner

0%
Detection Rate
617,248
File Size (bytes)
2025-12-03
Analysis Date

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File Identification

Hash Type Value Action
MD5
f65dfa7ed9d45ee0db348da48a7704c6
SHA1
43c2558df5f2e44dce0afc7ea90e2df986f29eca
SHA256
fbd97d1ef6ca0900162f661c16906e7f36aef24bbb42f754dc7cfd377506e08a
SHA512
ae4d4bd1e71ab2188b4f6139b43a4e8723d51ac632987c3ff9ddad8406e8a8f9d49404e515a1125a6e5ebd3743ca3418a3ac5a80ea67ab3253a193bb9d6b6ec6
ImpHash
267423558997c5008f05c59efca1386c

PE Analysis

Basic Information

▼
Image Base 0x180000000
Entry Point 0x180141df0
Compilation Time 2018-02-12 14:54:45
Checksum 0x00000000 (Actual: 0x000a6b02)
OS Version 5.2
PEiD Signatures PE32+ executable (DLL) (GUI) x86-64, for MS Windows
Digital Signature The expected hash does not match the digest in SpcInfo
Imports 5 libraries
KERNEL32, ADVAPI32, PSAPI, SHELL32, USER32
Exports 786 functions
Resources 6 Resources
Sections 3 Sections

Version Information

▼
LegalCopyright Copyright (C) 2007
InternalName Steam Client API (buildbot_steam-relclient-win32-builder_steam_rel_client_win32@steam-relclient-win32-builder)
FileVersion 04.28.51.07
CompanyName Valve Corporation
ProductVersion 01.00.00.01
FileDescription Steam Client API
Source Control ID 4285107
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
VLV0 0x00001000 749,568 bytes 0 bytes 0.00 (Normal) IMAGE_SCN_CNT_UNINITIALIZED_DATA|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE D41D8CD98F00B204E9800998ECF8427E
VLV1 0x000b8000 569,344 bytes 565,760 bytes 7.76 (Packed/Encrypted) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE 0F14CC95B1EC289FA4432D3BA07F7398
.rsrc 0x00143000 45,056 bytes 43,520 bytes 5.37 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE 44FAB9B678FCD7FA571EE3235E705992
Entropy Analysis Alert

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

Resource Analysis

▼
Total Resources: 6 (1,823 bytes)
Resource Type Count Total Size Percentage
SCID 1 7 bytes
0.4%
RT_RCDATA 3 48 bytes
2.6%
RT_VERSION 2 1,768 bytes
97%

Certificate Chain Analysis

▼
Certificate Information
Product Steam Client API
Description Steam Client API
File Version 04.28.51.07
Original Name steam_api.dll
Signing Date 07:48 PM 12/15/2017 (2945 days ago)
Verification Status The digital signature of the object did not verify.
Signers Valve; DigiCert SHA2 Assured ID Code Signing CA; DigiCert
Counter Signers Symantec Time Stamping Services Signer - G4; Symantec Time Stamping Services CA - G2; Thawte Timestamping CA
Internal Name Steam Client API (buildbot_steam-relclient-win32-builder_steam_rel_client_win32@steam-relclient-win32-builder)
Copyright Copyright (C) 2007
Certificate Chain Summary
DigiCert Assured ID Root CA #1 Primary
Validity Period: 2006-11-10 00:00:00 → 2031-11-10 00:00:00
Signature Algorithm: sha1RSA
Serial Number: 0C E7 E0 E5 17 D8 46 FE 8F E5 60 FC 1B F0 30 39
Symantec Time Stamping Services CA - G2 #2 Chain
Validity Period: 2012-12-21 00:00:00 → 2020-12-30 23:59:59
Signature Algorithm: sha1RSA
Serial Number: 7E 93 EB FB 7C C6 4E 59 EA 4B 9A 77 D4 06 FC 3B
Symantec Time Stamping Services Signer - G4 #3 Chain
Validity Period: 2012-10-18 00:00:00 → 2020-12-29 23:59:59
Signature Algorithm: sha1RSA
Serial Number: 0E CF F4 38 C8 FE BF 35 6E 04 D8 6A 98 1B 1A 50
Valve #4 Chain
Validity Period: 2015-09-25 00:00:00 → 2018-10-03 12:00:00
Signature Algorithm: sha256RSA
Serial Number: 08 4C AF 4D F4 99 14 1D 40 4B 71 99 AA 2C 21 31
DigiCert SHA2 Assured ID Code Signing CA #5 Chain
Validity Period: 2013-10-22 12:00:00 → 2028-10-22 12:00:00
Signature Algorithm: sha256RSA
Serial Number: 04 09 18 1B 5F D5 BB 66 75 53 43 B5 6F 95 50 08

✓ 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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