GridinSoft Threat Intelligence
zlibwapi.dll threat report
GridinSoft Anti-Malware detection
Detected by GridinSoft before you download
The current ThreatInfo record shows this exact file hash detected as Trojan.Gen. Download GridinSoft Anti-Malware to scan the device, confirm whether this file is present, and remove the detected object if it is found.
- Detection name
- Trojan.Gen
- Recommended action
- Scan and remove
- Last analysis
- 2026-05-18 07:01:04 (a week ago)
- File hash
- cfd746aea6328e6bd893db8ea3c04416
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as Trojan.Gen, part of the Trojan threat category.
Malware disguised as legitimate software or delivered through deceptive packaging. Related Trojan reports help compare this file with nearby detections, publishers, and hashes.
First seen 2026-05-18 07:01:04 (a week ago); latest analysis 2026-05-18 07:01:04 (a week ago).
Product metadata: ZLib.DLL.
ThreatInfo has seen this file in user or system paths listed below. Unexpected locations increase the need for local verification.
Recommended action
What to do next
- Compare the MD5 above with the file found on the device.
- Check whether the file appears in the observed locations or under one of the alternate names.
- Run GridinSoft Anti-Malware to confirm the detection and remove the file if it is present. Review the Trojan category for related samples and common context.
File context
zlibwapi.dll is a Windows file recorded in the ThreatInfo database. It is associated with ZLib.DLL. The current detection status is Trojan.Gen, based on the latest analysis from 2026-05-18 07:01:04 (a week ago). ThreatInfo groups this verdict with Trojan reports for broader family-level investigation.
If zlibwapi.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 Trojan.Gen.
File Details
| Product Name: | ZLib.DLL |
| MD5: | cfd746aea6328e6bd893db8ea3c04416 |
| Size: | 540 KB |
| First Published: | 2026-05-18 07:01:04 (a week ago) |
| Latest Published: | 2026-05-18 07:01:04 (a week ago) |
| Status: | Trojan.Gen (on last analysis) | |
| Analysis Date: | 2026-05-18 07:01:04 (a week ago) |
Detection screenshot
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.
Common Places:
| %programfiles%\anvsoft\app\adcpro |
ThreatInfo has observed zlibwapi.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.
Geographic signal
Observed country distribution
ThreatInfo has seen zlibwapi.dll across 1 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is Ukraine with 100.0% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.
OS Version:
The most common operating system signal for zlibwapi.dll is Windows 7 with 100.0% 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
zlibwapi.dll is identified as pe for 32-bit systems. The subsystem is Windows GUI. PE header values are useful for triage, especially when they do not match the expected publisher, product, or release timeline.
PE Sections:
Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.
04eac088922cccca483d80f3cef0e906
0b2c7ee3cbca5992512e6e4a2af60c92
47ab105a074867d61ea58f81de5fb00e
9e32ce71be511d4abc909f732ae7c2f4
69a71b5a0bd80077381b07c70aa0ab50
b5374d2d67af049cf561c2e56ba796a5
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.
Report conclusion
GridinSoft detects this file as Trojan.Gen
This report identifies zlibwapi.dll by MD5 cfd746aea6328e6bd893db8ea3c04416. It is part of the Trojan report group. If the same file is present on your device, scan the system and remove the detected object after confirming the hash and location.