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The speedfan.sys (SpeedFan x64 Driver) File Analysis

Technical Analysis

File Name speedfan.sys
File Type
PE32+ executable (native) x86-64, for MS Windows
Scanner Version 1.0.212.174
Database Version 2025-04-04 01:00:33 UTC

Clean File

No threats detected by our scanner

0%
Detection Rate
28,664
File Size (bytes)
2025-04-04
Analysis Date

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File Identification

Hash Type Value Action
MD5
0ffe35f0b0cd5a324bbe22f02569ae3b
SHA1
25789f290feba14f53d48f4d1a5003ec130f7d95
SHA256
f4ee803eefdb4eaeedb3024c3516f1f9a202c77f4870d6b74356bbde32b3b560
SHA512
89b821f07a5b367cb8693209185c94b86edc2145c5925ab066c23ef8c65603be53e0fc292e4cfae32a8f01ad4a752dfed051dfe86f5cb68cada992a89ea2deb0
ImpHash
9833f7dab4a59d51b04d2cf31656a0f6

PE Analysis

Basic Information

Image Base 0x00010000
Entry Point 0x00018158
Compilation Time 2012-12-29 20:59:35
Checksum 0x0000ce4f (Actual: 0x0000ce4f)
OS Version 6.0
PEiD Signatures PE32+ executable (native) x86-64, for MS Windows
PDB Path c:\projects\sfdrivers\sfdrv2\obj\amd64\sfdrvx64.pdb
Digital Signature OK
Imports 1 libraries
ntoskrnl
Exports 0 functions
Resources 1 Resources
Sections 7 Sections

Version Information

Comments Almico Software (www.almico.com)
CompanyName Almico Software
Developer Almico Software
FileDescription SpeedFan x64 Driver
FileVersion X2.03.11
InternalName sfdrvx64.sys
LegalCopyright Copyright © Almico Software 2001-2013
OriginalFilename sfdrvx64.sys
ProductName SpeedFan
ProductVersion X2.03.11
Translation 0x0000 0x04b0

PE Sections

Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
.text 0x00001000 11,601 bytes 11,776 bytes 6.26 (Normal) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_NOT_PAGED|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ 0490F4177734F65A2AFE1364CE3E2B56
.rdata 0x00004000 784 bytes 1,024 bytes 3.70 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_NOT_PAGED|IMAGE_SCN_MEM_READ 2DCE7B7E96D0C106155EAAEDE0DFC008
.data 0x00005000 272 bytes 512 bytes 0.30 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_NOT_PAGED|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE 043C46095689123E1F5BE96C109C2F46
.pdata 0x00006000 192 bytes 512 bytes 1.70 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_NOT_PAGED|IMAGE_SCN_MEM_READ 1A68DFEB46E898D55A2B084A2C4747CF
PAGE 0x00007000 3,078 bytes 3,584 bytes 5.45 (Normal) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ 2D0A43C46A31F7FF4B4DF909F4B07CD2
INIT 0x00008000 1,602 bytes 2,048 bytes 4.80 (Normal) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_DISCARDABLE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE A6C54CFC6807B9B25B27BCD0A4DAB9F9
.rsrc 0x00009000 1,016 bytes 1,024 bytes 3.29 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_DISCARDABLE|IMAGE_SCN_MEM_READ 11F8B341FA026C6BCC3E3204EB298159

Resource Analysis

Total Resources: 1 (916 bytes)
Resource Type Count Total Size Percentage
RT_VERSION 1 916 bytes
100%

Certificate Chain Analysis

Certificate Information
Product SpeedFan
Description SpeedFan x64 Driver
File Version X2.03.11
Original Name sfdrvx64.sys
Signing Date 08:59 PM 12/29/2012 (4542 days ago)
Verification Status Signed
Signers SOKNO S.R.L.; GlobalSign CodeSigning CA - G2; GlobalSign Root CA - R1
Counter Signers GlobalSign Time Stamping Authority; GlobalSign Timestamping CA; GlobalSign Root CA - R1
Internal Name sfdrvx64.sys
Copyright Copyright © Almico Software 2001-2013
Certificate Chain Summary
GlobalSign Timestamping CA #1 Primary
Validity Period: 2009-03-18 11:00:00 → 2028-01-28 12:00:00
Signature Algorithm: sha1RSA
Serial Number: 04 00 00 00 00 01 20 19 C1 90 66
GlobalSign CodeSigning CA - G2 #2 Chain
Validity Period: 2011-04-13 10:00:00 → 2019-04-13 10:00:00
Signature Algorithm: sha1RSA
Serial Number: 04 00 00 00 00 01 2F 4E E1 35 5C
GlobalSign Time Stamping Authority #3 Chain
Validity Period: 2009-12-21 09:32:56 → 2020-12-22 09:32:56
Signature Algorithm: sha1RSA
Serial Number: 01 00 00 00 00 01 25 B0 B4 CC 01
SOKNO S.R.L. #4 Chain
Validity Period: 2012-01-23 11:31:42 → 2013-01-23 11:31:42
Signature Algorithm: sha1RSA
Serial Number: 11 21 95 D7 AA 10 5E 2F FC 7B 0E 33 F3 6D A1 63 6E 74
GlobalSign Root CA #5 Chain
Validity Period: 2011-04-15 19:55:08 → 2021-04-15 20:05:08
Signature Algorithm: sha1RSA
Serial Number: 61 29 15 27 00 00 00 00 00 2A

✓ 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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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.
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  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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