Octopus setup exe Trojan Kryptik File Malware Analysis: 890f427d1a8965a5823e192d065ab8ce
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Octopus-setup.exe Trojan Kryptik Analysis

Updated 1 month ago
Checked by Malware Check
Octopus-setup.exe

Technical Analysis

File Name Octopus-setup.exe
File Type
PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive
Scanner Version 1.0.229.174
Database Version 2025-11-25 15:00:30 UTC
⚠

Trojan.Win32.Kryptik.dd!n

Malware family: Kryptik

Kryptik is a backdoor Trojan that provides unauthorized system access to threat actors. It enables remote control capabilities and allows attackers to execute various malicious activities on compromised systems.
N/A
Detection Rate
77,318,512
File Size (bytes)
2025-11-25
Analysis Date

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File Identification

Hash Type Value Action
MD5
890f427d1a8965a5823e192d065ab8ce
SHA1
e0172052bff1c469d3122f35957c2319d552bdcd
SHA256
1f43733e740b477f9cd02f039bf811202608cd5aff6c1814fbec11daca2da873
SHA512
6c3915e66638337d89c2ac3ad5393f08fb8ea45dcca77b043040a007e14047a4ae3f87e1fb984f1b69435aca469821577d27c18609a9f3a31e97b4cd9bccc16a
ImpHash
b34f154ec913d2d2c435cbd644e91687

PE Analysis

Basic Information

▼
Icon
Hash: e476399d0843bbe11ee43bb01005de1b
Fuzzy: 7d685b30f6a62791382c068bb2ad528b
dHash: 00b26968e8cc6900
Image Base 0x00400000
Entry Point 0x0040338f
Compilation Time 2018-12-15 22:26:14
Checksum 0x00000000 (Actual: 0x049bd42b)
OS Version 4.0
PEiD Signatures PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive
Digital Signature No valid SignedData structure was found.
Imports 7 libraries
KERNEL32, USER32, GDI32, SHELL32, ADVAPI32, COMCTL32, ole32
Exports 0 functions
Resources 34 Resources
Sections 5 Sections

Version Information

▼
CompanyName Octopus
FileDescription Octopus Signage
FileVersion 4.2.0
LegalCopyright Octopus Teknoloji Dijital Çözümleri Anonim Şirketi
ProductName Octopus
ProductVersion 4.2.0
Translation 0x0409 0x04e4

PE Sections

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Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
.text 0x00001000 26,151 bytes 26,624 bytes 6.45 (Normal) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ 7618D4C0CD8BB67EA9595B4266B3A91F
.rdata 0x00008000 5,282 bytes 5,632 bytes 5.03 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ EECAC1FED9CC6B447D50940D178404D8
.data 0x0000a000 462,840 bytes 1,536 bytes 4.04 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE DB8F31A08A2242D80C29E1F9500C6527
.ndata 0x0007b000 1,851,392 bytes 0 bytes 0.00 (Normal) IMAGE_SCN_CNT_UNINITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE D41D8CD98F00B204E9800998ECF8427E
.rsrc 0x0023f000 24,240 bytes 24,576 bytes 6.25 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ A2FAED6A7ABE9AC098C1A69CC8A65273

Resource Analysis

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Total Resources: 34 (22,373 bytes)
Resource Type Count Total Size Percentage
RT_ICON 1 12,186 bytes
54.5%
RT_DIALOG 30 8,488 bytes
37.9%
RT_GROUP_ICON 1 20 bytes
0.1%
RT_VERSION 1 620 bytes
2.8%
RT_MANIFEST 1 1,059 bytes
4.7%

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

No valid SignedData structure was found.

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

Trojan.Win32.Kryptik.dd!n Removal

Gridinsoft has the capability to identify and eliminate Trojan.Win32.Kryptik.dd!n 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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