zlib1.dll threat report

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This report summarizes the file identity, detection status, publisher metadata, observed locations, and technical indicators for zlib1.dll. ThreatInfo currently classifies this sample as Adware.MPC.

GridinSoft Anti-Malware detection

GridinSoft already detects this file

The latest ThreatInfo record shows zlib1.dll detected as Adware.MPC. You can download GridinSoft Anti-Malware to scan the system and remove this detection if the file is present on your device.

Detection name

Adware.MPC

Last analysis

2021-02-23 04:45:40 (5 years ago)

File hash

52a3e2bd67e4e47d0e42dd3c019ff2c6

Download Anti-Malware

zlib1.dll is a Windows file recorded in the ThreatInfo database. It is associated with zlib. The current detection status is Adware.MPC, based on the latest analysis from 2021-02-23 04:45:40 (5 years ago).

If zlib1.dll appears on your computer unexpectedly, treat it as suspicious. Check its location, digital signature, and recent system changes before allowing it to run. A full anti-malware scan is recommended when this file is detected as Adware.MPC.

File Details

The screenshot is a visual record of a GridinSoft Anti-Malware detection for this sample. Use the hash and metadata above as the primary identifiers when comparing the file on your system.

Overview

The signature on zlib1.dll is reported as valid. A valid signature helps confirm publisher identity, but it does not automatically make the file safe if the installer was bundled, abused, or downloaded from an untrusted source.

ThreatInfo has observed zlib1.dll in the locations listed above. Files found in temporary folders, user profile folders, startup locations, or unusual application directories should be reviewed more carefully than files installed under a known program directory.

The strongest geographic signal for this file is Indonesia with 58.3% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.

The most common operating system signal for zlib1.dll is Windows 8.1 with 62.5% of observed hits. If your system differs from the common profile, check whether the file was introduced by a specific installer, archive, or removable device.

Analysis

zlib1.dll is identified as pe for 32 systems. The subsystem is Windows CUI. PE header values are useful for triage, especially when they do not match the expected publisher, product, or release timeline.

PE section names and hashes can reveal packing, injected resources, or unusual build artifacts. Sections with uncommon names, very large raw data, or hashes that differ from a trusted copy deserve additional review.