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The bootaa64.efi File Analysis

Updated 13 days ago
Checked by Malware Check
bootaa64.efi

Technical Analysis

File Name bootaa64.efi
File Type
MS-DOS executable PE32+ executable (EFI application) Aarch64, for MS Windows
Scanner Version 1.0.231.174
Database Version 2025-12-26 18:00:35 UTC
✓

Clean File

No threats detected by our scanner

0%
Detection Rate
38,288
File Size (bytes)
2025-12-26
Analysis Date

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File Identification

Hash Type Value Action
MD5
e099b8f8463ef839720fda267e70eeb1
SHA1
267aa2e669faa8e7a63a7100b5891de011482a32
SHA256
211ebdcd7678738ed4000de1e8793a82fb53682e7c22901f8f04d4e046971216
SHA512
cf7e09a911df7cda0343888fd2cfe75693610e8d38762f7b47112b516103786af5b346d37d8d94bd55bafd0c89d761691f5889dc2605a3b291cc717c5497db29

PE Analysis

Basic Information

▼
Image Base 0x00000000
Entry Point 0x0000484c
Compilation Time 1970-01-01 00:00:00
Checksum 0x00012296 (Actual: 0x00012296)
OS Version 0.0
PEiD Signatures MS-DOS executable PE32+ executable (EFI application) Aarch64, for MS Windows
PDB Path /home/runner/work/uefi-ntfs/uefi-ntfs/Build/RELEASE_GCC5/AARCH64/uefi-ntfs/DEBUG/uefi-ntfs.dll
Digital Signature Chain verification from CN=Microsoft Windows UEFI Driver Publisher, O=Microsoft Corporation, L=Redmond, ST=Washington, C=US (serial:1137338005562705475813915578314585795855384660, sha1:cde9682204482806bb395bfc6a67670d71f67483) failed: Unable to build a validation path for the certificate "Common Name: Microsoft Windows UEFI Driver Publisher, Organization: Microsoft Corporation, Locality: Redmond, State/Province: Washington, Country: US" - no issuer matching "Common Name: Microsoft Corporation Third Party Marketplace Root, Organization: Microsoft Corporation, Locality: Redmond, State/Province: Washington, Country: US" was found
Imports 0
Exports 0 functions
Resources 0 Resources
Sections 2 Sections

PE Sections

▼
Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
.text 0x00001000 20,480 bytes 20,480 bytes 5.79 (Normal) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ 0DE8E90630FB6E88A21FAF943515823D
.data 0x00006000 4,096 bytes 4,096 bytes 0.83 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE 836AD3C1F25ABFC5492A5E80AF5B7CC4

Certificate Chain Analysis

▼
Certificate Information
Signing Date 10:38 PM 09/07/2023 (854 days ago)
Verification Status A certificate chain processed, but terminated in a root certificate which is not trusted by the trust provider.
Signers Microsoft Windows UEFI Driver Publisher; Microsoft Corporation UEFI CA 2011; Microsoft Corporation Third Party Marketplace Root
Counter Signers Microsoft Time-Stamp Service; Microsoft Time-Stamp PCA 2010; Microsoft Root Certificate Authority 2010
Certificate Chain Summary
Microsoft Windows UEFI Driver Publisher #1 Primary
Validity Period: 2023-02-16 20:19:57 → 2024-01-31 20:19:57
Signature Algorithm: sha256RSA
Serial Number: 33 00 00 00 54 49 80 07 AA BB F3 40 B2 00 01 00 00 00 54
Microsoft Corporation UEFI CA 2011 #2 Chain
Validity Period: 2011-06-27 21:22:45 → 2026-06-27 21:32:45
Signature Algorithm: sha256RSA
Serial Number: 61 08 D3 C4 00 00 00 00 00 04
Microsoft Time-Stamp Service #3 Chain
Validity Period: 2022-09-20 20:22:03 → 2023-12-14 20:22:03
Signature Algorithm: sha256RSA
Serial Number: 33 00 00 01 B3 FE 25 CE 29 1B 1B 8A 1C 00 01 00 00 01 B3
Microsoft Time-Stamp PCA 2010 #4 Chain
Validity Period: 2021-09-30 18:22:25 → 2030-09-30 18:32:25
Signature Algorithm: sha256RSA
Serial Number: 33 00 00 00 15 C5 E7 6B 9E 02 9B 49 99 00 00 00 00 00 15

✓ 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=Microsoft Windows UEFI Driver Publisher, O=Microsoft Corporation, L=Redmond, ST=Washington, C=US (serial:1137338005562705475813915578314585795855384660, sha1:cde9682204482806bb395bfc6a67670d71f67483) failed: Unable to build a validation path for the certificate "Common Name: Microsoft Windows UEFI Driver Publisher, Organization: Microsoft Corporation, Locality: Redmond, State/Province: Washington, Country: US" - no issuer matching "Common Name: Microsoft Corporation Third Party Marketplace Root, Organization: Microsoft Corporation, Locality: Redmond, State/Province: Washington, Country: US" was found

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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