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Sample.mlw Ransomware STOP/Djvu Analysis

Updated 11 months 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 1.0.182.174
Database Version 2024-07-16 05:00:16 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
766,464
File Size (bytes)
2024-07-16
Analysis Date

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File Identification

Hash Type Value Action
MD5
b6acef912b67bdaa8e568ab3c89f93df
SHA1
f11ec9ab98cdeca9f4ff4f7f536a7b686afa836f
SHA256
1d1a38cc4675a88f82d160130632437455ea085e10a4c17a006d6431ab9d85f5
SHA512
34194c8d8462b7217072d7a0f5fc30c2a1d10a93fac6ba16c0e1ff5389797982e001c9307fefc97b4ae5a87afc2e5ab2b8ab1158d893e301c7b940ada0f10a7b
ImpHash
f444f4b23daa661cebb35517c7e0cdb5

PE Analysis

Basic Information

▼
Icon
Hash: 22349136012be236df9b52556ca5eca8
Fuzzy: 1d61926d80b3e99b90000f7b674e6299
dHash: bce9f6f2e0c4ebf4
Image Base 0x00400000
Entry Point 0x00404a34
Compilation Time 2023-04-22 21:03:17
Checksum 0x000bd07e (Actual: 0x000bd07e)
OS Version 5.1
PEiD Signatures PE32 executable (GUI) Intel 80386, for MS Windows
Digital Signature The PE file does not contain a certificate table.
Imports 2 libraries
KERNEL32, USER32
Exports 0 functions
Resources 19 Resources
Sections 6 Sections

Version Information

▼
FileVersions 2.76.74.12
InternalName Heat
FileDescription SeelsLike
LegalCopyright Copyright (C) 2023, Nabisradig
OriginalFilenames Odlasig
ProductName Porezot
ProductVersions 75.98.42.52
Translation 0x0f7f 0x041e

PE Sections

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Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
.text 0x00001000 656,735 bytes 656,896 bytes 7.97 (Packed/Encrypted) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ 044AE8D2F1538BDE2994F9C418162E09
.rdata 0x000a2000 20,010 bytes 20,480 bytes 4.89 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 29E76C54D377370D4A89EDC3322C2027
.data 0x000a7000 29,689,892 bytes 48,128 bytes 0.55 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE FADD59990CA21992D25D7016639B9607
.huhur 0x01cf8000 1,024 bytes 1,024 bytes 0.00 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 0F343B0931126A20F133D67C2B018A3B
.rom 0x01cf9000 6,214 bytes 6,656 bytes 0.00 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 3C63825015AABD810674F44AFAC6D12B
.rsrc 0x01cfb000 32,088 bytes 32,256 bytes 4.06 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ EDFF40C7C9709761B88BBE54E9DADB87
Entropy Analysis Alert

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

Resource Analysis

▼
Total Resources: 19 (30,974 bytes)
Resource Type Count Total Size Percentage
RT_CURSOR 8 15,184 bytes
49%
RT_ICON 3 12,504 bytes
40.4%
RT_STRING 2 2,384 bytes
7.7%
RT_ACCELERATOR 1 72 bytes
0.2%
RT_GROUP_CURSOR 3 130 bytes
0.4%
RT_GROUP_ICON 1 48 bytes
0.2%
RT_VERSION 1 652 bytes
2.1%

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.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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