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Shoshin-kantetsu.exe Ransomware Blocker Analysis

Updated 2 months ago
Checked by Malware Check
shoshin-kantetsu.exe

Technical Analysis

File Name shoshin-kantetsu.exe
File Type
PE32 executable (GUI) Intel 80386, for MS Windows
Scanner Version 1.0.228.174
Database Version 2025-10-27 22:00:17 UTC
⚠

Ransom.Win32.Blocker.oa!s1

Malware family: Blocker

N/A
Detection Rate
17,337,811
File Size (bytes)
2025-10-27
Analysis Date

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File Identification

Hash Type Value Action
MD5
33dc55085da05029aa3603f8a68a99b9
SHA1
84ec403b1f3762a97dedc7e220c9ff0d6611f49c
SHA256
6a1235a6e0bfc24f4805f9712eb9121a5fdd7025c4f02bad238a157f6bf57cf4
SHA512
cfe4628411be4450065eb423a9afc4c04d1a7ede6353f24406f4c9006b125eba9dc91de1430737c6f5f6f795565827ec15ca3e669b96ed26e99ab825bf6ed050
ImpHash
fa2936ff523bbe01bb11c81e10c9ad2d

PE Analysis

Basic Information

▼
Icon
Hash: ce360296218d833eb34b2dee7cb8ec06
Fuzzy: aa42e91f74d464115d45c59639718d59
dHash: 680d868e961f0d0a
Image Base 0x00400000
Entry Point 0x0040a510
Compilation Time 2025-10-23 08:48:59
Checksum 0x01097dc7 (Actual: 0x01097dc7)
OS Version 5.1
PEiD Signatures PE32 executable (GUI) Intel 80386, for MS Windows
Digital Signature No valid SignedData structure was found.
Imports 5 libraries
USER32, COMCTL32, KERNEL32, ADVAPI32, GDI32
Exports 0 functions
Resources 3 Resources
Sections 5 Sections

PE Sections

▼
Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
.text 0x00001000 151,362 bytes 151,552 bytes 6.66 (Compressed) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ 121C7629F1F969F89F7FBF2273D4C04D
.rdata 0x00026000 56,612 bytes 56,832 bytes 6.13 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ C120809C54328D30DE1CEFB44FA8792C
.data 0x00034000 63,700 bytes 3,072 bytes 1.90 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE 604350C7F232858A0B3C67B0E28CA037
.rsrc 0x00044000 216,088 bytes 216,576 bytes 4.92 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 0D9F5771A1A4651A9E4E046F6C1B7E4F
.reloc 0x00079000 7,688 bytes 8,192 bytes 6.51 (Compressed) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_DISCARDABLE|IMAGE_SCN_MEM_READ B38A444B3905FC0696AA798408CFA55E
Entropy Analysis Alert

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

Resource Analysis

▼
Total Resources: 3 (215,855 bytes)
Resource Type Count Total Size Percentage
RT_ICON 1 214,408 bytes
99.3%
RT_GROUP_ICON 1 20 bytes
0%
RT_MANIFEST 1 1,427 bytes
0.7%

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

No valid SignedData structure was found.

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

Ransom.Win32.Blocker.oa!s1 Removal

Gridinsoft has the capability to identify and eliminate Ransom.Win32.Blocker.oa!s1 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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