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The OOAPB.exe (O&O AppBuster) File Analysis

Updated 2 months ago
Checked by Malware Check
OOAPB.exe

Technical Analysis

File Name OOAPB.exe
File Type
PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
Scanner Version 1.0.228.174
Database Version 2025-10-22 01:00:14 UTC
✓

Clean File

No threats detected by our scanner

0%
Detection Rate
2,277,648
File Size (bytes)
2025-10-22
Analysis Date

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File Identification

Hash Type Value Action
MD5
16c542b143a0136b5d404bf5179ea923
SHA1
039bc0eaacae791c0b5b7b0d93883958f1c29e92
SHA256
053ce0a4f1cddd3bc6eff802cd1e39a2c55a33798e7ed46df902729bb04941c1
SHA512
797bcb41ac7ff0d2a8c029d7763e7b7f1e03eb392fc8a8be3ef5f90664319cfb68371ce37f36e6fc7988f6bdcf77e318c41b0e01dcf460ecc14711e962dc5538
ImpHash
f34d5f2d4577ed6d9ceec516c1f5a744

PE Analysis

Basic Information

▼
Icon
Hash: 38f2c0fa01b635e96ee267bbc9d4d42f
Fuzzy: a4a33752adfa98df9d2f49b12aa1d0d2
dHash: 1b3171d8e4616307
Image Base 0x00400000
Entry Point 0x005e016e
Compilation Time 2085-03-26 17:18:38
Checksum 0x0023506e (Actual: 0x0023506e)
OS Version 4.0
PEiD Signatures PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
PDB Path OOAPB.pdb
Digital Signature OK
Imports 1 libraries
mscoree
Exports 0 functions
Resources 10 Resources
Sections 3 Sections

Version Information

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Translation 0x0000 0x04b0
Comments O&O AppBuster
CompanyName O&O Software GmbH
FileDescription O&O AppBuster
FileVersion 1.4.1345
InternalName OOAPB.exe
LegalCopyright © 2019-2024 O&O Software GmbH, Berlin.
LegalTrademarks
OriginalFilename OOAPB.exe
ProductName O&O AppBuster
ProductVersion 1.4.1345
Assembly Version 1.4.1345.0

PE Sections

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Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
.text 0x00002000 1,958,260 bytes 1,958,400 bytes 7.18 (Compressed) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ 70900907C5A73705554902A4B2F59750
.rsrc 0x001e2000 297,824 bytes 297,984 bytes 2.78 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ D1C584893298BDF183E5A98F1EDE32AB
.reloc 0x0022c000 12 bytes 512 bytes 0.08 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_DISCARDABLE|IMAGE_SCN_MEM_READ D88D897134B33F86F6BDDA63463CBAF0
Entropy Analysis Alert

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

Resource Analysis

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Total Resources: 10 (297,224 bytes)
Resource Type Count Total Size Percentage
RT_ICON 7 292,760 bytes
98.5%
RT_GROUP_ICON 1 104 bytes
0%
RT_VERSION 1 910 bytes
0.3%
RT_MANIFEST 1 3,450 bytes
1.2%

Certificate Chain Analysis

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Certificate Information
Product O&O AppBuster
Description O&O AppBuster
File Version 1.4.1345
Original Name OOAPB.exe
Signing Date 11:49 AM 07/08/2024 (550 days ago)
Verification Status Signed
Signers O&O Software GmbH; DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1; DigiCert Trusted Root G4; DigiCert
Counter Signers DigiCert Timestamp 2023; DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA; DigiCert Trusted Root G4; DigiCert
Internal Name OOAPB.exe
Copyright © 2019-2024 O&O Software GmbH, Berlin.
Certificate Chain Summary
DigiCert Trusted Root G4 #1 Primary
Validity Period: 2022-08-01 00:00:00 → 2031-11-09 23:59:59
Signature Algorithm: sha384RSA
Serial Number: 0E 9B 18 8E F9 D0 2D E7 EF DB 50 E2 08 40 18 5A
DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA #2 Chain
Validity Period: 2022-03-23 00:00:00 → 2037-03-22 23:59:59
Signature Algorithm: sha256RSA
Serial Number: 07 36 37 B7 24 54 7C D8 47 AC FD 28 66 2A 5E 5B
DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1 #3 Chain
Validity Period: 2021-04-29 00:00:00 → 2036-04-28 23:59:59
Signature Algorithm: sha384RSA
Serial Number: 08 AD 40 B2 60 D2 9C 4C 9F 5E CD A9 BD 93 AE D9
DigiCert Timestamp 2023 #4 Chain
Validity Period: 2023-07-14 00:00:00 → 2034-10-13 23:59:59
Signature Algorithm: sha256RSA
Serial Number: 05 44 AF F3 94 9D 08 39 A6 BF DB 3F 5F E5 61 16
O&O Software GmbH #5 Chain
Validity Period: 2023-01-24 00:00:00 → 2025-03-05 23:59:59
Signature Algorithm: sha256RSA
Serial Number: 07 84 A5 71 22 7A 38 D1 EB 58 99 B8 69 32 94 54
Entrust.net Certification Authority (2048) #6 Chain
Validity Period: 1999-12-24 17:50:51 → 2029-07-24 14:15:12
Signature Algorithm: sha1RSA
Serial Number: 38 63 DE F8
Entrust Timestamping CA - TS1 #7 Chain
Validity Period: 2015-07-22 19:02:54 → 2029-06-22 19:32:54
Signature Algorithm: sha256RSA
Serial Number: 58 DA 13 FF 00 00 00 00 51 CE 0D F7
Entrust Timestamp Authority - TSA1 #8 Chain
Validity Period: 2024-01-19 16:46:28 → 2029-06-01 00:00:00
Signature Algorithm: sha256RSA
Serial Number: 07 D7 13 53 DA 25 61 B4 61 E9 90 47 8A 4C CE 04

✓ 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
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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