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97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98 Ransomware STOP/Djvu Analysis

Updated 1 year ago
Checked by Malware Check
97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98

Technical Analysis

File Name 97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98
File Type
PE32 executable (GUI) Intel 80386, for MS Windows
Scanner Version 1.0.158.174
Database Version 2024-02-05 08:00:28 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
793,088
File Size (bytes)
2024-02-05
Analysis Date

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File Identification

Hash Type Value Action
MD5
faf9bf89fd060a85d2fcc98e9d511a8b
SHA1
08d256665c3aa89eafa123cfb965c8c1b4b5f5d0
SHA256
97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98
SHA512
318bb22a79f511421f209f0ee1a8367addfa4c7355f4000bce80b2d18beab450d927c2910eb3f4f2e6f7b5924c623f531eb9c46c80e11123298af721054c4ba1
ImpHash
ebe35e0085e613a421d4abea9476d495

PE Analysis

Basic Information

▼
Icon
Hash: 48ed4901907c6101bbadd0dbada6f794
Fuzzy: a601d18453d55868098ac1200c136d7e
dHash: d2f0e4c4e4f9c6f9
Image Base 0x00400000
Entry Point 0x004016ff
Compilation Time 2023-02-09 18:15:46
Checksum 0x000c8b1a (Actual: 0x000c8b1a)
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 3 libraries
KERNEL32, USER32, ADVAPI32
Exports 0 functions
Resources 27 Resources
Sections 7 Sections

Version Information

▼
FileVersion 67.89.5.53
ProductVersion 61.55.12.25
InternalName Stupido
LegalCopyright Silent news
CompanyName Torque
Translation 0x179b 0x02fb

PE Sections

▼
Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
.text 0x00001000 701,342 bytes 701,440 bytes 7.92 (Packed/Encrypted) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ A2816F7BF4974A67A414947A178ED6AE
.rdata 0x000ad000 13,836 bytes 14,336 bytes 4.99 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 191FD17513BF5AD31AEE17321515198E
.data 0x000b1000 32,836 bytes 8,704 bytes 2.13 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE EF3FA80FE4162E0BBD662362E18980FA
.lubab 0x000ba000 124 bytes 512 bytes 0.00 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE BF619EAC0CDF3F68D496EA9344137E8B
.tls 0x000bb000 2,509 bytes 2,560 bytes 0.00 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE A371492F16C0940507435909603EFE88
.cimi 0x000bc000 1,024 bytes 1,024 bytes 0.00 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE 0F343B0931126A20F133D67C2B018A3B
.rsrc 0x000bd000 63,064 bytes 63,488 bytes 5.97 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 3263639FE4E76189B15B337E889BADD3
Entropy Analysis Alert

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

Resource Analysis

▼
Total Resources: 27 (61,514 bytes)
Resource Type Count Total Size Percentage
LEBUFIBIJAFILIXODA 1 1,548 bytes
2.5%
RT_ICON 17 57,384 bytes
93.3%
RT_STRING 3 1,788 bytes
2.9%
RT_ACCELERATOR 1 32 bytes
0.1%
RT_GROUP_ICON 3 256 bytes
0.4%
RT_VERSION 1 496 bytes
0.8%
None 1 10 bytes
0%

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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