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Xzlib0.dll Trojan Heuristic Analysis

Updated 2 months ago
Checked by Malaware Check
xzlib0.dll

Technical Analysis

File Name xzlib0.dll
File Type
PE32+ executable (DLL) (console) x86-64, for MS Windows
Scanner Version 1.0.211.174
Database Version 2025-03-22 10:00:55 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
12,320,256
File Size (bytes)
2025-03-22
Analysis Date

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File Identification

Hash Type Value Action
MD5
0999c040dfac74a9b6b05bcf12224348
SHA1
5bdcec4daeaf9baee63ae31ad069b0ab36dfc3da
SHA256
8e8f691da0907f2bdcc641d394c2fceef399b9731a5ac3556de9c77d53b52078
SHA512
072f43619e964810ce3d3e47b90ea5a7bc0268392450aaee485a4c38f2282a11045da087bbfa328324dd0559f690cb45cf7ea6a3f6ac2223a8cc11fe78d22358
ImpHash
39c961bc399bbff2ebcea235bab2f32b

PE Analysis

Basic Information

▼
Image Base 0x180000000
Entry Point 0x180cdfe55
Compilation Time 2025-02-12 16:14:28
Checksum 0x00000000 (Actual: 0x00bc14f5)
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 7,270,451 bytes 0 bytes 0.00 (Normal) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ D41D8CD98F00B204E9800998ECF8427E
.aspr1 0x00734000 2,496 bytes 2,560 bytes 0.21 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE 6C3A0081227C3235A67E988D82CD9743
.aspr2 0x00735000 12,315,216 bytes 12,315,648 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 FDBAFB1392FF36D74CA1CD74754E1124
.reloc 0x012f4000 268 bytes 512 bytes 2.50 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 88ED1E566CA755872C25444CBBB9E283
.rsrc 0x012f5000 469 bytes 512 bytes 4.72 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 4D65EB17FF015B904B786903EECE37BA
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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