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Xzlib0.dll Trojan Heuristic Analysis

Updated 17 days ago
Checked by Malware Check
xzlib0.dll

Technical Analysis

File Name xzlib0.dll
File Type
PE32+ executable (DLL) (console) x86-64, for MS Windows
Scanner Version 1.0.231.174
Database Version 2025-12-22 23:00:35 UTC
⚠

Trojan.Heur!.02212022

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
12,285,952
File Size (bytes)
2025-12-22
Analysis Date

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File Identification

Hash Type Value Action
MD5
d60fb90c3d8dd24ab6b8e097ad05e212
SHA1
6cc69da095da52ef3331b0d908a4ff8478622d0d
SHA256
3d3c5ae6524654873dd07e313ca034b93603a6be67708eca6de2623b5abfd715
SHA512
9e0cf841118a0cb6c0e05f1e4bd96abccde4c8ac70c40271c26dbd0babb856c2ed5f933d23c2d07934d43e403e16390ac1162a9976438d87fcc40d4169f89871
ImpHash
39c961bc399bbff2ebcea235bab2f32b

PE Analysis

Basic Information

▼
Image Base 0x180000000
Entry Point 0x180f212cc
Compilation Time 2024-12-15 18:35:51
Checksum 0x00000000 (Actual: 0x00bc2ba2)
OS Version 6.0
PEiD Signatures PE32+ executable (DLL) (console) x86-64, for MS Windows
Digital Signature No valid SignedData structure was found.
Imports 8 libraries
KERNEL32, MSVCP140, VCRUNTIME140_1, VCRUNTIME140, api-ms-win-crt-stdio-l1-1-0, api-ms-win-crt-filesystem-l1-1-0, api-ms-win-crt-runtime-l1-1-0, api-ms-win-crt-heap-l1-1-0
Exports 1 functions
Resources 1 Resources
Sections 9 Sections

PE Sections

▼
Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
.text 0x00001000 15,971 bytes 0 bytes 0.00 (Normal) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ D41D8CD98F00B204E9800998ECF8427E
.rdata 0x00005000 246,810 bytes 0 bytes 0.00 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ D41D8CD98F00B204E9800998ECF8427E
.data 0x00042000 3,240 bytes 0 bytes 0.00 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE D41D8CD98F00B204E9800998ECF8427E
.pdata 0x00043000 1,344 bytes 0 bytes 0.00 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ D41D8CD98F00B204E9800998ECF8427E
.aspr0 0x00044000 7,245,031 bytes 0 bytes 0.00 (Normal) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ D41D8CD98F00B204E9800998ECF8427E
.aspr1 0x0072d000 2,496 bytes 2,560 bytes 0.22 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE 436E6979D4DD6E34B2F77EDEA674B66E
.aspr2 0x0072e000 12,281,056 bytes 12,281,344 bytes 7.85 (Packed/Encrypted) IMAGE_SCN_CNT_CODE|IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_NOT_PAGED|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ 27F43980F62EBD0B96EB67D23CEB9E96
.reloc 0x012e5000 280 bytes 512 bytes 2.62 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ D8FA252F252671FF519517C13B1B6406
.rsrc 0x012e6000 469 bytes 512 bytes 4.73 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 46CCD09BFF932501F07E9217BFED261F
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.Heur!.02212022 Removal

Gridinsoft has the capability to identify and eliminate Trojan.Heur!.02212022 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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