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The slf64.dll (vstdlib_ s.dll) File Analysis

Updated 2 months ago
Checked by Malaware Check
slf64.dll

Technical Analysis

File Name slf64.dll
File Type
PE32+ executable (DLL) (GUI) x86-64, for MS Windows
Scanner Version 1.0.211.174
Database Version 2025-03-29 15:01:23 UTC
✓

Clean File

No threats detected by our scanner

0%
Detection Rate
485,840
File Size (bytes)
2025-03-29
Analysis Date

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File Identification

Hash Type Value Action
MD5
4f631d5b40948f6dc250eae72a2154e3
SHA1
f774bb4d096875506657aaecb6ad2ff707fecde7
SHA256
96a185b8bb3b1c841caebdb76a5f0aae67c13a307b9ceb07067cdf1dd85950bf
SHA512
90aee6caa5c8b8fccec4672b717ff37b27536b34cfc63bcec6c80d5ec30617664d210fc60324691e329d386605fe3462a81859b90514cbce43b53313d48aa345
ImpHash
d71abbfbfb43e1445cf32545eb367890

PE Analysis

Basic Information

▼
Image Base 0x13f600000
Entry Point 0x13f623214
Compilation Time 2019-12-16 16:49:27
Checksum 0x0007c1d1 (Actual: 0x0007c1d1)
OS Version 5.2
PEiD Signatures PE32+ executable (DLL) (GUI) x86-64, for MS Windows
PDB Path c:\buildslave\steam_rel_client_win64\build\src\vstdlib\win64\Release\vstdlib_s64.pdb
Digital Signature OK
Imports 3 libraries
KERNEL32, USER32, tier0_s64
Exports 263 functions
Resources 3 Resources
Sections 6 Sections

Version Information

▼
LegalCopyright Copyright (C) 2005 Valve Corporation
InternalName vstdlib_ s.dll (buildbot_steam-relclient-win64-builder_steam_rel_client_win64@steam-relclient-win64-builder)
FileVersion 05.56.68.04
CompanyName Valve Corporation
ProductVersion 03.00.00.01
FileDescription vstdlib_ s.dll
Source Control ID 5566804
OriginalFilename vstdlib_ s.dll
ProductName Steam
Translation 0x0409 0x04b0
CompanyName Valve Corporation
FileDescription vstdlib_ s.dll
FileVersion 3, 0, 0, 1
InternalName vstdlib_ s.dll
LegalCopyright Copyright (C) 2005 Valve Corporation
OriginalFilename vstdlib_ s.dll
ProductName Steam
ProductVersion 3, 0, 0, 1
Translation 0x0409 0x04b0

PE Sections

▼
Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
.text 0x00001000 255,714 bytes 256,000 bytes 6.52 (Compressed) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ 385419F04AFBB31650B1D3792293487C
.rdata 0x00040000 110,316 bytes 110,592 bytes 5.84 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ E6286D01FB4A9A644347CE42AB981F87
.data 0x0005b000 98,892 bytes 90,624 bytes 0.71 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE FEFEEB265F18B1B31295BF2267F10E01
.pdata 0x00074000 13,812 bytes 13,824 bytes 5.58 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 78CDBB3BFDD84F5898A1477452793A73
.rsrc 0x00078000 2,024 bytes 2,048 bytes 3.49 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 4860B4D837190B53AD92E3C1BBF731EE
.reloc 0x00079000 3,540 bytes 3,584 bytes 5.43 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_DISCARDABLE|IMAGE_SCN_MEM_READ 8EEC7E2E4075015E89F00784BDCB9EDD
Entropy Analysis Alert

1 section(s) with elevated entropy (≥6.5) - possible compression

Resource Analysis

▼
Total Resources: 3 (1,791 bytes)
Resource Type Count Total Size Percentage
SCID 1 7 bytes
0.4%
RT_VERSION 2 1,784 bytes
99.6%

Certificate Chain Analysis

▼
Certificate Information
Product Steam
Description vstdlib_ s.dll
File Version 05.56.68.04
Original Name vstdlib_ s.dll
Signing Date 04:49 PM 12/16/2019 (1999 days ago)
Verification Status Signed
Signers Valve; DigiCert SHA2 Assured ID Code Signing CA; DigiCert
Counter Signers DigiCert Timestamp Responder; DigiCert Assured ID CA-1; DigiCert
Internal Name vstdlib_ s.dll (buildbot_steam-relclient-win64-builder_steam_rel_client_win64@steam-relclient-win64-builder)
Copyright Copyright (C) 2005 Valve Corporation
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
Valve #2 Chain
Validity Period: 2018-10-04 00:00:00 → 2021-10-07 12:00:00
Signature Algorithm: sha256RSA
Serial Number: 05 4F 46 6C EC CB E9 D6 BE E8 1F 54 35 E6 4D 47
DigiCert SHA2 Assured ID Code Signing CA #3 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
DigiCert Timestamp Responder #4 Chain
Validity Period: 2014-10-22 00:00:00 → 2024-10-22 00:00:00
Signature Algorithm: sha1RSA
Serial Number: 03 01 9A 02 3A FF 58 B1 6B D6 D5 EA E6 17 F0 66
DigiCert Assured ID CA-1 #5 Chain
Validity Period: 2006-11-10 00:00:00 → 2021-11-10 00:00:00
Signature Algorithm: sha1RSA
Serial Number: 06 FD F9 03 96 03 AD EA 00 0A EB 3F 27 BB BA 1B

✓ 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

OK

Remember: This is Result of Online Virus Scanner

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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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