Xzlib0.dll Malware Generic Analysis

Updated 4 hours ago

Checked by Malware Check

xzlib0.dll

Technical Analysis

File Name	xzlib0.dll
File Type	PE32+ executable (DLL) (console) x86-64 (stripped to external PDB), for MS Windows
Scanner Version	1.0.250.174
Database Version	2026-07-15 01:00:17 UTC

⚠

Malware.Win64.Generic.cld

Malware family: Generic

This detection name identifies suspicious files displaying Trojan-like behavior patterns. It represents malware that masquerades as benign programs while executing unauthorized activities on the infected system.

N/A

Detection Rate

12,883,968

File Size (bytes)

2026-07-15

Analysis Date

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File Identification

Hash Type	Value	Action
MD5	946d5850ad2292ff7893ab497d8bb547
SHA1	c29aa96f868a3c5918ea34cfc52c5b424f258454
SHA256	155abe144c5af83d3dd9e924f90aa1a94b2a94d96f0041093b42552d2825d28f
SHA512	019ee324d7eeb2c569bd615e689c526f9979aa7ee54d34435116c15133be51e0e74736ef54d1ae64f5177f1b76b78d0494c014b7c10035ea2d3e538713c14d37
ImpHash	4bb026480a0cf5d599361b8208366e7d

PE Analysis

Basic Information

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Image Base	`0x368af0000`
Entry Point	`0x369959d2a`
Compilation Time	2026-07-10 13:54:27
Checksum	0x00c4c7f0 (Actual: 0x00c4c7f0)
OS Version	5.2
PEiD Signatures	`PE32+ executable (DLL) (console) x86-64 (stripped to external PDB), for MS Windows`
Digital Signature	No valid SignedData structure was found.
Imports	13 libraries
Exports	1 functions
Resources	0 Resources
Sections	13 Sections

PE Sections

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Name	Virtual Address	Virtual Size	Raw Size	Entropy	Characteristics	MD5
`.text`	`0x00001000`	775,632 bytes	0 bytes	0.00 (Normal)	`IMAGE_SCN_CNT_CODE\|IMAGE_SCN_MEM_EXECUTE\|IMAGE_SCN_MEM_READ`	`D41D8CD98F00B204E9800998ECF8427E`
`.data`	`0x000bf000`	8,800 bytes	0 bytes	0.00 (Normal)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_READ\|IMAGE_SCN_MEM_WRITE`	`D41D8CD98F00B204E9800998ECF8427E`
`.rdata`	`0x000c2000`	298,696 bytes	0 bytes	0.00 (Normal)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_READ`	`D41D8CD98F00B204E9800998ECF8427E`
`.pdata`	`0x0010b000`	44,124 bytes	0 bytes	0.00 (Normal)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_READ`	`D41D8CD98F00B204E9800998ECF8427E`
`.xdata`	`0x00116000`	59,968 bytes	0 bytes	0.00 (Normal)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_READ`	`D41D8CD98F00B204E9800998ECF8427E`
`.bss`	`0x00125000`	3,744 bytes	0 bytes	0.00 (Normal)	`IMAGE_SCN_CNT_UNINITIALIZED_DATA\|IMAGE_SCN_MEM_READ\|IMAGE_SCN_MEM_WRITE`	`D41D8CD98F00B204E9800998ECF8427E`
`.edata`	`0x00126000`	69 bytes	0 bytes	0.00 (Normal)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_READ`	`D41D8CD98F00B204E9800998ECF8427E`
`.idata`	`0x00127000`	4,232 bytes	0 bytes	0.00 (Normal)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_READ`	`D41D8CD98F00B204E9800998ECF8427E`
`.tls`	`0x00129000`	16 bytes	0 bytes	0.00 (Normal)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_READ\|IMAGE_SCN_MEM_WRITE`	`D41D8CD98F00B204E9800998ECF8427E`
`.aspr0`	`0x0012a000`	7,437,912 bytes	0 bytes	0.00 (Normal)	`IMAGE_SCN_CNT_CODE\|IMAGE_SCN_MEM_EXECUTE\|IMAGE_SCN_MEM_READ`	`D41D8CD98F00B204E9800998ECF8427E`
`.aspr1`	`0x00842000`	2,624 bytes	3,072 bytes	0.26 (Normal)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_READ\|IMAGE_SCN_MEM_WRITE`	`285FE4460A66E63E755964DE99AB15CD`
`.aspr2`	`0x00843000`	12,879,228 bytes	12,879,360 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`	`AA2D7967E4750215C07EB5D4610BD4FF`
`.reloc`	`0x0148c000`	240 bytes	512 bytes	2.40 (Normal)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_DISCARDABLE\|IMAGE_SCN_MEM_READ`	`3F3D583B3312A84F7AEC096C420993A3`

Entropy Analysis Alert

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

Certificate Chain Analysis

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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.

Malware.Win64.Generic.cld Removal

Gridinsoft has the capability to identify and eliminate Malware.Win64.Generic.cld without requiring further user intervention.

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Removal Instructions

Follow these steps to completely remove the threat from your system

1
Get Gridinsoft Anti-Malware — it's a quick 2 MB download that won't slow down your PC.
2
Run the installer gsam-en-install.exe. The setup takes about 2 minutes and doesn't require a restart.
3
The app launches right after installation. You'll see the main dashboard with the scan button front and center.
4
Hit "Standard Scan" — this checks all the spots where malware typically hides: temp folders, browser data, startup programs, and system directories.
5
Once the scan finds this threat, click "Clean Now". The removal usually happens instantly, though some stubborn infections may need a reboot.
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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