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

Updated 2 months ago
Checked by Malaware Check
steam_api64.dll

Technical Analysis

File Name steam_api64.dll
File Type
PE32+ executable (DLL) (GUI) x86-64, for MS Windows
Scanner Version 1.0.210.174
Database Version 2025-03-15 03:01:05 UTC
✓

Clean File

No threats detected by our scanner

0%
Detection Rate
298,272
File Size (bytes)
2025-03-15
Analysis Date

Scan Another File

File Identification

Hash Type Value Action
MD5
f34f225b70c70aa509552b22e75f14a8
SHA1
78f0e83a25a6375f5f20ec278d9a845c655aa8f0
SHA256
dc2ff35158e3373e6dfbc3ad78b74605c71bc3b7acbb54b79ce0032a5c223277
SHA512
bb24963ef90472e05ef5a0cd906d347e5e313551d36829334ac967375097086391c1fbcf15f242c066a8286717a5cb964c998775b951f2cb4678b7bbd85d6128
ImpHash
120d97a7e7cd74d078e9535a647063ab

PE Analysis

Basic Information

▼
Image Base 0x180000000
Entry Point 0x1800d9a70
Compilation Time 2017-01-08 14:24:33
Checksum 0x0005112e (Actual: 0x0005112e)
OS Version 6.0
PEiD Signatures PE32+ executable (DLL) (GUI) x86-64, 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 7 libraries
KERNEL32, ntdll, PSAPI, SHELL32, SHLWAPI, USER32, WS2_32
Exports 88 functions
Resources 2 Resources
Sections 3 Sections

Version Information

▼
LegalCopyright Copyright (C) NisCkxU544c
InternalName Steam Client API
FileVersion 01.0.1.08
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 598,016 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 0x00093000 290,816 bytes 290,304 bytes 7.93 (Packed/Encrypted) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE 1280DA72586F90B47FBD21295C5F815B
.rsrc 0x000da000 8,192 bytes 5,632 bytes 4.69 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE F8046EDA8552E27F8DF3C553E42A1380
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 01.0.1.08
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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