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The SmartDefrag.exe_DA_SOST.exe (Smart Defrag 6) File Analysis

Updated 0 seconds ago
Checked by Malware Check
SmartDefrag.exe_DA_SOST.exe

Technical Analysis

File Name SmartDefrag.exe_DA_SOST.exe
File Type
Win32 EXE
Magic Bytes PE32 executable (GUI) Intel 80386, for MS Windows
SSDEEP Hash
98304:UYIbUD0oftzb5MuJejei6npCv56qHoPu8EvXYZaD4GTXnt:YbgtzOv6nnqHslKXYZgJ
Scanner Version 1.0.219.174
Database Version 2025-07-04 20:00:30 UTC
⚠

Suspicious File Detected

Detected by 22 security engines - requires caution

This file requires additional checking for potential threats. Based on suspicious indicators, we will soon add it to our virus database.
31%
Detection Rate
5,864,208
File Size (bytes)
22/72
Engines Detected
2025-07-04
Analysis Date

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File Identification

Hash Type Value Action
MD5
71378e5bbde89ceb4aa90bd12832ecda
SHA1
ef20dcdd45503c3619cbe728254da360d170f7b9
SHA256
fbe0d9eb4e4f59a44df6d3b61af7440637e6db6d58d0d7f7eabbcd604caaca3d
SHA512
efcba4c15169dd450c0e33fc94eb39dc5b654ffe3f6c3499db834aae630a27013d075ad398107e0a91ea31c0d64a944d54a0bb1b268f270a2475b41be7bb101e
ImpHash
b1855952dd888cee544ebf6e52d0aeeb

Security Engines with Detections (22 of 72)

Bkav
W32.AIDetectMalware Malicious
Lionic
Trojan.Win32.IObit.4!c Malicious
CAT-QuickHeal
Trojan.Ghanarava.174962044232ecda Malicious
Sangfor
Trojan.Win32.Iobit.Vwfo Malicious
Symantec
ML.Attribute.HighConfidence Malicious
tehtris
PUP.Optional.IObit/iobit/PUP.O Malicious
ESET-NOD32
a variant of Win32/IObit.AN potentially unwanted Malicious
Paloalto
generic.ml Malicious
DrWeb
Program.Unwanted.2520 Malicious
GData
Win32.Application.iObit.B Malicious
Varist
W32/ABApplication.ETFS-8744 Malicious
Antiy-AVL
GrayWare/Win32.IObit Malicious
Xcitium
ApplicUnwnt@#19liia1jscb3z Malicious
Google
Detected Malicious
VBA32
Riskware.IObit Malicious
DeepInstinct
MALICIOUS Malicious
TrellixENS
Artemis!71378E5BBDE8 Malicious
MaxSecure
Trojan.Malware.300983.susgen Malicious
Fortinet
Riskware/IObit Malicious
AVG
FileRepMalware [Misc] Malicious
Avast
FileRepMalware [Misc] Malicious
alibabacloud
Trojan:Win/IObit.AT Malicious
50 engines reported no threats - Only engines with detections are shown above for clarity

PE Analysis

Basic Information

▼
Icon
Hash: a270b240cff17884f4d3c6beae18cbf0
Fuzzy: 0640bf439d63b0fa20f9ba6b24c92742
dHash: cc86495971698ecc
Image Base 0x00400000
Entry Point 0x00651fc0
Compilation Time 2020-02-02 13:46:46
Checksum 0x005a1cf2 (Actual: 0x005a1cf2)
OS Version 5.0
PEiD Signatures PE32 executable (GUI) Intel 80386, for MS Windows
Digital Signature The expected hash does not match the digest in SpcInfo
Imports 33 libraries
Exports 1 functions
Resources 80 Resources
Sections 10 Sections

Version Information

▼
CompanyName IObit
FileDescription Smart Defrag 6
FileVersion 6.4.5.99
InternalName SmartDefrag.exe
LegalCopyright © IObit. All rights reserved.
LegalTrademarks IObit
OriginalFilename SmartDefrag.exe
ProductName Smart Defrag
ProductVersion 6.4.5
Comments
Translation 0x0409 0x04e4

PE Sections

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Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
.text 0x00001000 2,420,136 bytes 2,420,224 bytes 6.38 (Normal) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ 01240C3F1A9D30CD33DAC5B432ED3629
.itext 0x00250000 8,672 bytes 8,704 bytes 5.90 (Normal) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ AE6A2BEBE1BA964B02EAF28F66BAD0B3
.data 0x00253000 73,360 bytes 73,728 bytes 6.41 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE C6A4F54E8AC5F238044E8EF018AD1720
.bss 0x00265000 220,816 bytes 0 bytes 0.00 (Normal) IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE D41D8CD98F00B204E9800998ECF8427E
.idata 0x0029b000 133,532 bytes 133,632 bytes 5.51 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE 64E77E6A155B42E5C5B3CF70F5B02CEC
.edata 0x002bc000 82 bytes 512 bytes 0.91 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 7150CAB55E2F6B47DCBCD4FE77E4CF35
.tls 0x002bd000 528 bytes 0 bytes 0.00 (Normal) IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE D41D8CD98F00B204E9800998ECF8427E
.rdata 0x002be000 24 bytes 512 bytes 0.19 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 890934954B4C0253458FE727916466F5
.reloc 0x002bf000 134,508 bytes 134,656 bytes 6.72 (Compressed) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_DISCARDABLE|IMAGE_SCN_MEM_READ 00B7E1C69E7829D8F37936E4B122F104
.rsrc 0x002e0000 3,078,012 bytes 3,078,144 bytes 7.24 (Compressed) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 08D5F50A6C84FFD2955282AA48D77DE8
Entropy Analysis Alert

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

Resource Analysis

▼
Total Resources: 80 (3,072,428 bytes)
Resource Type Count Total Size Percentage
MAD 2 185,916 bytes
6.1%
RT_BITMAP 23 36,984 bytes
1.2%
RT_ICON 9 432,104 bytes
14.1%
RT_STRING 15 15,712 bytes
0.5%
RT_RCDATA 28 2,398,807 bytes
78.1%
RT_GROUP_ICON 1 132 bytes
0%
RT_VERSION 1 808 bytes
0%
RT_MANIFEST 1 1,965 bytes
0.1%

Certificate Chain Analysis

▼
Certificate Information
Product Smart Defrag
Description Smart Defrag 6
File Version 6.4.5.99
Original Name SmartDefrag.exe
Signing Date 03:20 AM 02/04/2020 (1977 days ago)
Verification Status The digital signature of the object did not verify.
Signers IObit Information Technology; Symantec Class 3 SHA256 Code Signing CA; VeriSign
Counter Signers Symantec SHA256 TimeStamping Signer - G3; Symantec SHA256 TimeStamping CA; VeriSign Universal Root Certification Authority
Internal Name SmartDefrag.exe
Copyright © IObit. All rights reserved.
Certificate Chain Summary
Symantec Time Stamping Services CA - G2 #1 Primary
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 #2 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
IObit Information Technology #3 Chain
Validity Period: 2018-01-16 00:00:00 → 2021-03-30 23:59:59
Signature Algorithm: sha256RSA
Serial Number: 5C D0 50 29 20 C2 7E EA EC 2A 18 4D 04 52 E5 3A
Symantec Class 3 SHA256 Code Signing CA #4 Chain
Validity Period: 2013-12-10 00:00:00 → 2023-12-09 23:59:59
Signature Algorithm: sha256RSA
Serial Number: 3D 78 D7 F9 76 49 60 B2 61 7D F4 F0 1E CA 86 2A
Symantec SHA256 TimeStamping CA #5 Chain
Validity Period: 2016-01-12 00:00:00 → 2031-01-11 23:59:59
Signature Algorithm: sha256RSA
Serial Number: 7B 05 B1 D4 49 68 51 44 F7 C9 89 D2 9C 19 9D 12
Symantec SHA256 TimeStamping Signer - G3 #6 Chain
Validity Period: 2017-12-23 00:00:00 → 2029-03-22 23:59:59
Signature Algorithm: sha256RSA
Serial Number: 7B D4 E5 AF BA CC 07 3F A1 01 23 04 22 41 4D 12

✓ 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
22 antivirus engines detected potential threats. This could be a false positive, especially for system tools or packed software. Verify the file source and check if it's digitally signed by a trusted publisher.

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