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The Defraggler_v2.21.993.exe (Defraggler Installer) File Analysis

Updated 2 months ago
Checked by Malware Check
Defraggler_v2.21.993.exe

Technical Analysis

File Name Defraggler_v2.21.993.exe
File Type
Win32 EXE
Magic Bytes PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive
SSDEEP Hash
98304:U9wu+wEOftnKviIRE0dXvjrF0QaO+za/qKJ8FLTZH:UGnw9lhHEXLr2IlKFLx
Scanner Version 1.0.227.174
Database Version 2025-10-17 11:00:19 UTC
⚠

Suspicious File Detected

Detected by 5 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.
7%
Detection Rate
4,529,456
File Size (bytes)
5/71
Engines Detected
2025-10-17
Analysis Date

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File Identification

Hash Type Value Action
MD5
ca2c52d0a9f9e213884cffff9109c6d9
SHA1
ef0a247e60aa7ba2f364b1a75be2707ac48bc880
SHA256
c49553cb735aa2bc76dfa7379d0232aabf718e635021215035b35f4d3b9ff7e5
SHA512
4948363d9bad1e90fa10065c6fc7458cccb4e9947f5dc54c642a211ebfb073dca6b6c241139fe45a0c311d0080f6fde12e8dbb275818507e3b760b447f5f1a30
ImpHash
377a97652fdf5740d8cc11d5ce124fed

Security Engines with Detections (5 of 71)

Cylance
Unsafe Malicious
ESET-NOD32
Win32/Bundled.Toolbar.Google.D potentially unsafe Malicious
Microsoft
PUABundler:Win32/PiriformBundler Malicious
Yandex
Trojan.Igent.bRYV50.1 Malicious
DeepInstinct
MALICIOUS Malicious
66 engines reported no threats - Only engines with detections are shown above for clarity

PE Analysis

Basic Information

▼
Icon
Hash: 3443874fd60a0379eb7e45e9587cba62
Fuzzy: 74a89ee598283ed8bf17c360ddd8423e
dHash: e862eae6b696c6cc
Image Base 0x00400000
Entry Point 0x00403a1c
Compilation Time 2015-12-29 21:34:49
Checksum 0x004560c1 (Actual: 0x004560c1)
OS Version 5.0
PEiD Signatures PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive
Digital Signature OK
Imports 7 libraries
KERNEL32, USER32, GDI32, SHELL32, ADVAPI32, COMCTL32, ole32
Exports 0 functions
Resources 49 Resources
Sections 5 Sections

Version Information

▼
CompanyName Piriform Ltd
FileDescription Defraggler Installer
FileVersion 1.0.0.0
LegalCopyright Copyright © 2006-2016 Piriform Ltd
ProductName Defraggler
Translation 0x0000 0x04b0

PE Sections

▼
Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
.text 0x00001000 29,264 bytes 29,696 bytes 6.46 (Normal) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ 2CF4CEA611906ABDA27F6BEC5B76FFBD
.rdata 0x00009000 11,064 bytes 11,264 bytes 4.42 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 5275F8CAE603F81939930AC752DE3D01
.data 0x0000c000 425,692 bytes 512 bytes 1.90 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE 3096D49B7B4C3DE8338C4639CBB79A13
.ndata 0x00074000 3,428,352 bytes 0 bytes 0.00 (Normal) IMAGE_SCN_CNT_UNINITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE D41D8CD98F00B204E9800998ECF8427E
.rsrc 0x003b9000 37,024 bytes 37,376 bytes 4.80 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ C6E0B2FD63218C25EF67F5D7DA8BFBF0

Resource Analysis

▼
Total Resources: 49 (34,494 bytes)
Resource Type Count Total Size Percentage
RT_ICON 6 19,376 bytes
56.2%
RT_DIALOG 40 13,484 bytes
39.1%
RT_GROUP_ICON 1 90 bytes
0.3%
RT_VERSION 1 576 bytes
1.7%
RT_MANIFEST 1 968 bytes
2.8%

Certificate Chain Analysis

▼
Certificate Information
Product Defraggler
Description Defraggler Installer
File Version 1.0.0.0
Signing Date 03:18 PM 03/08/2016 (3594 days ago)
Verification Status Signed
Signers Piriform Ltd; Symantec Class 3 SHA256 Code Signing CA; VeriSign
Counter Signers Symantec Time Stamping Services Signer - G4; Symantec Time Stamping Services CA - G2; Thawte Timestamping CA
Copyright Copyright © 2006-2016 Piriform Ltd
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
Piriform Ltd #3 Chain
Validity Period: 2015-08-12 00:00:00 → 2018-10-10 23:59:59
Signature Algorithm: sha256RSA
Serial Number: 4B 48 B2 7C 82 24 FE 37 B1 7A 6A 2E D7 A8 1C 9F
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
GeoTrust 2048-bit Timestamping Signer 1 #5 Chain
Validity Period: 2015-06-11 00:00:00 → 2020-12-29 23:59:59
Signature Algorithm: sha1RSA
Serial Number: 5F D6 93 FA B0 98 E3 F4 67 7B B8 CB 67 2C 22 9E
Thawte Timestamping CA #6 Chain
Validity Period: 1997-01-01 00:00:00 → 2020-12-31 23:59:59
Signature Algorithm: md5RSA
Serial Number: 00

✓ 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

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
5 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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