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SztZYM4I.exe Trojan CoinMiner Analysis

Updated 4 days ago
Checked by Malware Check
sztZYM4I.exe

Technical Analysis

File Name sztZYM4I.exe
File Type
PE32+ executable (GUI) x86-64, for MS Windows
Scanner Version 1.0.247.174
Database Version 2026-05-31 21:00:25 UTC
⚠

Trojan.Win64.CoinMiner.oa!s2

Malware family: CoinMiner

CoinMiner malware utilizes system resources including CPU and RAM for unauthorized cryptocurrency mining. It establishes persistence through startup integration and may use resource management techniques to avoid detection while mining currencies like Monero or Zcash.
N/A
Detection Rate
679,424
File Size (bytes)
2026-05-31
Analysis Date

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File Identification

Hash Type Value Action
MD5
43c74828875b3c055daec688ec494b40
SHA1
06977a1a1382ad5c537a16a46581beb1e85e9773
SHA256
a55a0daeb348207f4cc094de8d6d36b6ef935bcf5342aba75cf9148c1621ac93
SHA512
72e3e00fbac442dfe05a53b4bcc44aec0f8d33b710ff6912076868454fe6bc313bc75b4380dd3fc7cd22e8791abfd1102c4df2137d32623a156f2ad96ad0802c
ImpHash
31da54344e459380faedd3272c4eba06

PE Analysis

Basic Information

▼
Image Base 0x140000000
Entry Point 0x14042cf50
Compilation Time 1970-01-01 00:00:00
Checksum 0x00000000 (Actual: 0x000a944f)
OS Version 6.0
PEiD Signatures PE32+ executable (GUI) x86-64, for MS Windows
Digital Signature No valid SignedData structure was found.
Imports 5 libraries
ADVAPI32, KERNEL32, USER32, WININET, WS2_32
Exports 0 functions
Resources 1 Resources
Sections 3 Sections

PE Sections

▼
Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
UPX0 0x00001000 3,698,688 bytes 0 bytes 0.00 (Normal) IMAGE_SCN_CNT_UNINITIALIZED_DATA|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE D41D8CD98F00B204E9800998ECF8427E
UPX1 0x00388000 679,936 bytes 677,376 bytes 7.91 (Packed/Encrypted) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE F34F344B33850D607F6842420BAECF40
.rsrc 0x0042e000 4,096 bytes 1,024 bytes 4.44 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE 1AE01D5F084B73F44B5155116DB7391D
Entropy Analysis Alert

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

Resource Analysis

▼
Total Resources: 1 (381 bytes)
Resource Type Count Total Size Percentage
RT_MANIFEST 1 381 bytes
100%

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.

Trojan.Win64.CoinMiner.oa!s2 Removal

Gridinsoft has the capability to identify and eliminate Trojan.Win64.CoinMiner.oa!s2 without requiring further user intervention.

Download Anti-Malware

Removal Instructions

Follow these steps to completely remove the threat from your system

  1. 1
    Get Gridinsoft Anti-Malware — it's a quick 2 MB download that won't slow down your PC.
  2. 2
    Run the installer gsam-en-install.exe. The setup takes about 2 minutes and doesn't require a restart.
  3. 3
    The app launches right after installation. You'll see the main dashboard with the scan button front and center.
  4. 4
    Hit "Standard Scan" — this checks all the spots where malware typically hides: temp folders, browser data, startup programs, and system directories.
  5. 5
    Once the scan finds this threat, click "Clean Now". The removal usually happens instantly, though some stubborn infections may need a reboot.
  6. 6
    If you see a restart prompt, go ahead and reboot. This clears any malware that was running in memory and ensures your system starts fresh.
Important: Before You Start
Quick tip: unplug from the internet before scanning. Some malware phones home for instructions or downloads extra payloads when it senses trouble. If the infection is severe, boot into Safe Mode first — it limits what can run and makes cleanup easier.

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