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The upx.exe (UPX executable packer) File Analysis

Updated 3 minutes ago
Checked by Malware Check
upx.exe

Technical Analysis

File Name upx.exe
File Type
PE32+ executable (console) x86-64 (stripped to external PDB), for MS Windows
Scanner Version 1.0.219.174
Database Version 2025-06-30 21:00:25 UTC
✓

Clean File

No threats detected by our scanner

0%
Detection Rate
599,040
File Size (bytes)
2025-06-30
Analysis Date

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File Identification

Hash Type Value Action
MD5
a14acd4e0fd7f388b6c42cde82fec28b
SHA1
475dc900fe226a6bda388fcf861a2c83b269fccd
SHA256
8def9daba0817636962e60878e117ee1dcba6c3f64fb4bc13449d447385f1b5b
SHA512
a7393ce2597adf34077649d757ea3a378abdc9dfc4424300d332d8e1476deac8397e5ca5da62aca46bc3aeb1078a62f8a70433e6db0872c086647e05d7cb3b32
ImpHash
901ec837d6125799d133b50b020012b7

PE Analysis

Basic Information

▼
Image Base 0x00400000
Entry Point 0x0064a6d0
Compilation Time 1970-01-01 00:00:00
Checksum 0x00000000 (Actual: 0x00095589)
OS Version 4.0
PEiD Signatures PE32+ executable (console) x86-64 (stripped to external PDB), for MS Windows
Digital Signature No valid SignedData structure was found.
Imports 2 libraries
KERNEL32, msvcrt
Exports 0 functions
Resources 2 Resources
Sections 3 Sections

Version Information

▼
CompanyName The UPX Team https://upx.github.io
FileDescription UPX executable packer
FileVersion 5.0.1 (2025-05-06)
InternalName upx.exe
LegalCopyright © 1996-2025 Markus F.X.J. Oberhumer
OriginalFilename upx.exe
ProductName UPX
ProductVersion 5.0.1 (2025-05-06)
Translation 0x0409 0x04b0

PE Sections

▼
Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
UPX0 0x00001000 1,802,240 bytes 0 bytes 0.00 (Normal) IMAGE_SCN_CNT_UNINITIALIZED_DATA|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE D41D8CD98F00B204E9800998ECF8427E
UPX1 0x001b9000 598,016 bytes 596,480 bytes 7.93 (Packed/Encrypted) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE 813F5D3FAC92BA2E5B61C5DE8BE101E8
.rsrc 0x0024b000 4,096 bytes 2,048 bytes 3.83 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE 1D181FC7332D962BB102BA6638463420
Entropy Analysis Alert

1 section(s) with high entropy (≥7.5) detected - possible packing/encryption

Resource Analysis

▼
Total Resources: 2 (1,325 bytes)
Resource Type Count Total Size Percentage
RT_VERSION 1 808 bytes
61%
RT_MANIFEST 1 517 bytes
39%

Certificate Chain Analysis

▼
Certificate Information
Product UPX
Description UPX executable packer
File Version 5.0.1 (2025-05-06)
Original Name upx.exe
Internal Name upx.exe
Copyright © 1996-2025 Markus F.X.J. Oberhumer

✓ 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

No valid SignedData structure 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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