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Xzlib0.dll Trojan Heuristic Analysis

Updated 3 minutes 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 1.0.218.174
Database Version 2025-06-17 21:00:24 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
13,842,944
File Size (bytes)
2025-06-17
Analysis Date

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File Identification

Hash Type Value Action
MD5
b2266c984877aa19c5fe287d5525fefd
SHA1
2129ddb3f2e66ab45f5be8df0363a882f69e7627
SHA256
27b20587d7dfea042b003b3d2001254b66596a2f5579a254cc1328613622ae17
SHA512
76d26a42743327c98d00e455e604ae98ddf05dd779df8bc94ddef313415e4e91d065274a4479fa5ef8af98d8db8ad3fa5401262891cd1a3471bda3287750edd2
ImpHash
39c961bc399bbff2ebcea235bab2f32b

PE Analysis

Basic Information

▼
Image Base 0x180000000
Entry Point 0x18100d79e
Compilation Time 2025-04-02 19:46:26
Checksum 0x00000000 (Actual: 0x00d3d300)
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 16,115 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 3,256 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 8,150,324 bytes 0 bytes 0.00 (Normal) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ D41D8CD98F00B204E9800998ECF8427E
.aspr1 0x0080a000 2,496 bytes 2,560 bytes 0.24 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE A9B668381DCDE5DD7BF8601F4B94C920
.aspr2 0x0080b000 13,838,304 bytes 13,838,336 bytes 7.84 (Packed/Encrypted) IMAGE_SCN_CNT_CODE|IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_NOT_PAGED|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ 7AA2040CDCB7C234997ABFE22D60D064
.reloc 0x0153e000 268 bytes 512 bytes 2.60 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 6BAA36958AA1B56FE029FD3503848505
.rsrc 0x0153f000 469 bytes 512 bytes 4.73 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 889A558AE6CBA63193BB08A9B506FA13
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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