GridinSoft Threat Intelligence

libcurl.dll file report

Under review File reputation report
MD5 6616f188d2757037f3c0df5099549dd3
Latest seen 2025-07-03 23:02:39 (10 months ago)
First seen 2017-05-27 13:05:57 (9 years ago)
Size 625 KB
Publisher The cURL library, http://curl.haxx.se/
Product The cURL library

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2017-05-27 13:05:57 (9 years ago); latest analysis 2025-07-03 23:02:39 (10 months ago).

Publisher context

Company metadata: The cURL library, http://curl.haxx.se/. Product metadata: The cURL library.

Observed locations

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

  1. Use the hash and metadata below to verify the exact file identity.
  2. Review publisher, signature, paths, and PE details for inconsistencies.
  3. Run a local scan if the file appears unexpectedly or starts with Windows.

File context

libcurl.dll is a Windows file recorded in the ThreatInfo database. It is associated with The cURL library. The reported company name is The cURL library, http://curl.haxx.se/. The current detection status is Undefined, based on the latest analysis from 2025-07-03 23:02:39 (10 months ago).

ThreatInfo does not have a final classification for this file yet. Use the technical details below to compare the hash, size, signature, and observed locations with the copy found on your device.

File Details

Product Name: The cURL library
Company Name: The cURL library, http://curl.haxx.se/
MD5: 6616f188d2757037f3c0df5099549dd3
Size: 625 KB
First Published: 2017-05-27 13:05:57 (9 years ago)
Latest Published: 2025-07-03 23:02:39 (10 months ago)
Status: Undefined (on last analysis)
Analysis Date: 2025-07-03 23:02:39 (10 months ago)

Common Places:

%appdata%\macromedia\realtek hd
%localappdata%\playfree browser\issch
%appdata%\daemon tools lite\realtek hd
%localappdata%\mpress\realtek hd
%localappdata%\mail.ru\realtek hd
%appdata%\driveridentifier\realtek hd
%appdata%\calendartool\windows mail
%localappdata%\iiiqf\realtek hd
%appdata%\identities\realtek hd
%appdata%\extensions\windows defender

ThreatInfo has observed libcurl.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 libcurl.dll across 18 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country Russian Federation
Share 51.7%
Low High activity

The strongest geographic signal for this file is Russian Federation with 51.7% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.

OS Version:

Windows 7 45.8%
Windows 10 40.7%
Windows 8.1 12.7%
Windows 8 0.8%

The most common operating system signal for libcurl.dll is Windows 7 with 45.8% 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

libcurl.dll is identified as pe for 32-bit 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.

Format pe
Architecture 32-bit
Subsystem Windows CUI
Entry point 0x00001058
Image base 0x6b240000

PE Sections:

Sections 11
Raw data 638976

Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.

.text 459776 bytes · 72.0% of section data
MD5 ebc522f81c061906a9eb1a2ba62f7c69
.data 1024 bytes · 0.2% of section data
MD5 dfa2f94caf6ec361dafe7f159ae374ca
.rdata 81408 bytes · 12.7% of section data
MD5 2d309f113b6af8820808521333ced6ce
.eh_fram 59904 bytes · 9.4% of section data
Uncommon name
MD5 8e9959666640517f8af27470d2d93790
.bss 0 bytes · 0.0% of section data
MD5 00000000000000000000000000000000
.edata 5632 bytes · 0.9% of section data
MD5 047f5be12fabd0a27c03e788fe29dbef
.idata 12288 bytes · 1.9% of section data
MD5 1b6c24e710a948e7695920dc10ee4f7e
.CRT 512 bytes · 0.1% of section data
MD5 5ae0c81c5355cb20980d16a2d27be2ed
.tls 512 bytes · 0.1% of section data
MD5 7f1fad3800a4bd3542c111c9fb0f6760
.rsrc 1536 bytes · 0.2% of section data
MD5 36f82b0580035e0551277ea13b707b29
.reloc 16384 bytes · 2.6% of section data
MD5 922216faa8b1fe06820a05a6443be433

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

This file is still under review

ThreatInfo has not assigned a final verdict yet. Compare the file hash, location, signature, and publisher before trusting the file on a production system.

Scan with GridinSoft Anti-Malware Use a local scan if the file origin or behavior is unclear. Check this hash on VirusTotal

Recommended next steps

  • Compare the local file MD5 with 6616f188d2757037f3c0df5099549dd3.
  • Check the file path, publisher, and signature against the details in this report.
  • Run a GridinSoft scan if the source, path, or behavior looks unusual.