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Zlib0.dll Trojan Heuristic Analysis

Updated 1 second ago
Checked by Malware Check
zlib0.dll

Technical Analysis

File Name zlib0.dll
File Type
PE32+ executable (DLL) (console) x86-64, for MS Windows
Scanner Version 1.0.219.174
Database Version 2025-06-29 00:00:23 UTC
⚠

Trojan.Heur!.038100A2

Malware family: Heuristic

Heuristic detection uses behavioral analysis and pattern recognition to identify potential threats without specific signatures. This proactive approach detects suspicious code behavior that may indicate malware presence. Detection may occasionally produce false positives when legitimate software exhibits similar behavioral patterns.
N/A
Detection Rate
2,363,904
File Size (bytes)
2025-06-29
Analysis Date

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File Identification

Hash Type Value Action
MD5
72eefa46f7da32d50e5e53c8ea1e4bc0
SHA1
fc0ed150cdb8c3b6154077b1e4aa1ef5a1e16063
SHA256
4258a0be37aaf67452610fd08bbdb37da3614dd9a50c97971691b0b27cdf3b84
SHA512
5d57b6e39739e964df739a421ee9ae6a32df37f4b337a2c6794cbc4bdfb7d6c2a433acd80842765afc7111bca40a87b5040d7982dff93f3098c7e175e7ec8b64
ImpHash
baa93d47220682c04d92f7797d9224ce

PE Analysis

Basic Information

▼
Image Base 0x180000000
Entry Point 0x180552000
Compilation Time 2024-07-20 10:19:11
Checksum 0x002476cb (Actual: 0x002476cb)
OS Version 6.0
PEiD Signatures PE32+ executable (DLL) (console) x86-64, for MS Windows
Digital Signature No valid SignedData structure was found.
Imports 2 libraries
kernel32, comctl32
Exports 1 functions
Resources 1 Resources
Sections 7 Sections

PE Sections

▼
Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
0x00001000 20,480 bytes 5,632 bytes 7.52 (Packed/Encrypted) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE 92F3A9882EB93511F69A85FFD3D4EAD3
.rsrc 0x00006000 480 bytes 512 bytes 4.46 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE AD30919245D7AA921DCD3F9A3129A023
.idata 0x00007000 4,096 bytes 512 bytes 1.15 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE 258B89C94B0D93667C90CD6A8F9D4351
0x00008000 3,194,880 bytes 512 bytes 0.22 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE 0FBAC36A4B58F484D382043FA1C38C1B
fuewvzvc 0x00314000 2,351,104 bytes 2,351,104 bytes 7.94 (Packed/Encrypted) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE 25090299E77B432A7BC5494B3731DC1F
fpkveoam 0x00552000 4,096 bytes 512 bytes 3.65 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE 055EEFC5F2A8CF4FBF278C5971FF345C
.pdataI 0x00553000 4,096 bytes 1,024 bytes 2.51 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 3DF8EC065F9130CB6562796AF29CD159
Entropy Analysis Alert

2 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.Heur!.038100A2 Removal

Gridinsoft has the capability to identify and eliminate Trojan.Heur!.038100A2 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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