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Sample.mlw Ransomware STOP/Djvu Analysis

Updated 1 year ago
Checked by Malware Check
sample.mlw

Technical Analysis

File Name sample.mlw
File Type
PE32 executable (GUI) Intel 80386, for MS Windows
Scanner Version 1.0.158.174
Database Version 2024-02-08 07:00:31 UTC
⚠

Ransom.Win32.STOP.tr

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
696,832
File Size (bytes)
2024-02-08
Analysis Date

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File Identification

Hash Type Value Action
MD5
defd2b4b32a95284081f3fd648e78f2e
SHA1
8de4263395950ceab672677754e42df7391dcd9a
SHA256
235af59d3bc2171c77c0dabcb5add1ef12de8980cf1e700277288982e81eb47c
SHA512
86258cfa995098e51bc0c8386c3ae154f91a8968d57878420c7cdff634ac3f1c84e6d5996b19546f58494ceea271d691bc18a7f98cc04a2421b90d1fc4c28a09
ImpHash
1a1df0030011d2d77bc5a076b2696337

PE Analysis

Basic Information

▼
Icon
Hash: 00e1e157fd6c06382fc32f1a48d75b28
Fuzzy: baa14b831ac2432dd3365512fb89a328
dHash: bce9f6f2e0c4ebf4
Image Base 0x00400000
Entry Point 0x00401be2
Compilation Time 2023-06-04 10:03:43
Checksum 0x000b1ab7 (Actual: 0x000b1ab7)
OS Version 5.0
PEiD Signatures PE32 executable (GUI) Intel 80386, for MS Windows
PDB Path C:\wedi_kuje\tecafihevegiya48-surojogikot\heyolumo\nusamo\henow.pdb
Digital Signature The PE file does not contain a certificate table.
Imports 2 libraries
KERNEL32, GDI32
Exports 0 functions
Resources 16 Resources
Sections 4 Sections

Version Information

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FileDescription Secret
OriginalFilename Space
ProductName Justifes
ProductVersion 46.15.54.27
Translation 0x0408 0x0678

PE Sections

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Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
.text 0x00001000 632,998 bytes 633,344 bytes 7.99 (Packed/Encrypted) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ F64ABD2EC87A8F12E61C901BBF0901E6
.rdata 0x0009c000 11,480 bytes 11,776 bytes 5.42 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ E04720E7290B5A278A2E39ADF866233F
.data 0x0009f000 40,744,316 bytes 19,456 bytes 0.64 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE 32BBACEA48029C397C9B659373383C55
.rsrc 0x0277b000 30,864 bytes 31,232 bytes 4.67 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 67709AC9AF6F56CFD460F3A0BACD4DFD
Entropy Analysis Alert

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

Resource Analysis

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Total Resources: 16 (29,783 bytes)
Resource Type Count Total Size Percentage
DAZUKUKOCULEPAYUGISEMIYE 1 7,729 bytes
26%
RT_CURSOR 2 480 bytes
1.6%
RT_ICON 3 12,504 bytes
42%
RT_STRING 6 8,476 bytes
28.5%
RT_ACCELERATOR 1 72 bytes
0.2%
RT_GROUP_CURSOR 1 34 bytes
0.1%
RT_GROUP_ICON 1 48 bytes
0.2%
RT_VERSION 1 440 bytes
1.5%

Certificate Chain Analysis

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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.tr Removal

Gridinsoft has the capability to identify and eliminate Ransom.Win32.STOP.tr 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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