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F52f4f70eea35c76b61d25998a3fc800.exe Ransomware STOP/Djvu Analysis

Updated 11 months ago
Checked by Malaware Check
f52f4f70eea35c76b61d25998a3fc800.exe

Technical Analysis

File Name f52f4f70eea35c76b61d25998a3fc800.exe
File Type
PE32 executable (GUI) Intel 80386, for MS Windows
Scanner Version 1.0.179.174
Database Version 2024-06-19 21:00:29 UTC
⚠

Ransom.Win32.STOP.dd!se45814

Malware family: STOP/Djvu

STOP/Djvu ransomware encrypts files on victim systems and demands ransom payments for decryption keys. This ransomware family has maintained consistent activity over several years, affecting both individual users and organizational networks through various distribution methods.
N/A
Detection Rate
215,552
File Size (bytes)
2024-06-19
Analysis Date

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File Identification

Hash Type Value Action
MD5
f52f4f70eea35c76b61d25998a3fc800
SHA1
9ecf5616851cf0c35cfef9047e5d873ff3106017
SHA256
bc59e033df4fb938c03ffaf274aba1a639efb5163cf84a4fc5beb6026e562dcf
SHA512
8f2f4661cc2fccfe23ee99e8f453cd756800704ee9e0830b1d43ef216e0c1b8e8d9414df86ad10a9a52d7678319ff3b7ccd4cc2efb533f0c730f0c919c0cb086
ImpHash
9ddb1fabeee3b3905613cd98d52e8a73

PE Analysis

Basic Information

▼
Icon
Hash: 14d7e34b02f46e4dec36816d716deebc
Fuzzy: bdff42d6c84a72fabe5e6a9e7d584b5a
dHash: bcf9f6f2e0c4ebf4
Image Base 0x00400000
Entry Point 0x0040308f
Compilation Time 2022-08-01 21:51:17
Checksum 0x00037320 (Actual: 0x00037320)
OS Version 5.0
PEiD Signatures PE32 executable (GUI) Intel 80386, for MS Windows
PDB Path C:\nicaziwic.pdb
Digital Signature The PE file does not contain a certificate table.
Imports 4 libraries
KERNEL32, USER32, GDI32, ADVAPI32
Exports 0 functions
Resources 21 Resources
Sections 4 Sections

Version Information

▼
OriginalFilename Lariavts
ProductsVersion 21.59.2.52
ProdeuctionVersion 25.50.25.70
Translation 0x28ae 0x0e7e

PE Sections

▼
Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
.text 0x00001000 147,458 bytes 147,968 bytes 7.39 (Compressed) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ 2E3D3E39E9BC5BE42A26215B55746D12
.rdata 0x00026000 12,842 bytes 13,312 bytes 5.20 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 06537FE23959D431B74909AD65A4EC6D
.data 0x0002a000 4,327,160 bytes 6,144 bytes 3.22 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE 0DF8A594E674EA3D2654B17E17E2654A
.rsrc 0x0044b000 46,824 bytes 47,104 bytes 4.13 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 7A5ED2A0913143ED287D87D9C10956AE
Entropy Analysis Alert

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

Resource Analysis

▼
Total Resources: 21 (45,654 bytes)
Resource Type Count Total Size Percentage
RT_ICON 10 37,328 bytes
81.8%
RT_STRING 6 7,650 bytes
16.8%
RT_ACCELERATOR 2 112 bytes
0.2%
RT_GROUP_ICON 2 152 bytes
0.3%
RT_VERSION 1 412 bytes
0.9%

Certificate Chain Analysis

▼
No Digital Signatures

This file is not digitally signed.

Security Implications:
  • Cannot verify the publisher's identity
  • Increased security risk when running this file
  • May trigger security warnings on some systems

⚠ This file either lacks a digital signature or the certificate chain could not be verified
Exercise caution when executing unsigned files from unknown sources

Certificate Verification Status

The PE file does not contain a certificate table.

Recommendation: Verify the file source and ensure it comes from a trusted publisher.

Ransom.Win32.STOP.dd!se45814 Removal

Gridinsoft has the capability to identify and eliminate Ransom.Win32.STOP.dd!se45814 without requiring further user intervention.

Download Anti-Malware

Removal Instructions

Follow these steps to completely remove the threat from your system

  1. Start by downloading Gridinsoft Anti-Malware to your computer.
  2. Double-click on the gsam-en-install.exe file and follow the on-screen instructions to install the program.
  3. Once the installation of Gridinsoft Anti-Malware is complete, the program will open on the Scan screen.
  4. Click on the "Standard Scan" button to begin scanning your computer for threats.
  5. After the scanning process is finished, click on "Clean Now" to remove any detected threats.
  6. If prompted, restart your system to complete the removal process and ensure all threats are eliminated.
Important: Before You Start
Disconnect from the internet to prevent the malware from spreading or downloading additional threats. Run the scan in Safe Mode for better detection and removal of persistent threats.

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