GridinSoft Threat Intelligence

libcurl-4.dll file report

Under review File reputation report
MD5 981f71bc1f50cfbe711bf895f4ed0e1b
Latest seen 2021-01-02 14:00:21 (5 years ago)
First seen 2017-05-28 00:01:07 (9 years ago)
Size 611 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 2017-05-28 00:01:07 (9 years ago); latest analysis 2021-01-02 14:00:21 (5 years ago).

Publisher context

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

Aliases

This hash has appeared under multiple file names, which can happen with repackaging, bundling, or deliberate renaming.

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-4.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 2021-01-02 14:00:21 (5 years 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: 981f71bc1f50cfbe711bf895f4ed0e1b
Size: 611 KB
First Published: 2017-05-28 00:01:07 (9 years ago)
Latest Published: 2021-01-02 14:00:21 (5 years ago)
Status: Undefined (on last analysis)
Analysis Date: 2021-01-02 14:00:21 (5 years ago)

Common Places:

%appdata%
%appdata%\winupdate\g
%profile%\dmin\application data\steam\reversed
%profile%\ndrzej.dom-67221bd2283\dane aplikacji\steam\reversed
%appdata%\steam\reversed
%programfiles%\easy speed check
%appdata%\installer\codexi
%sysdrive%\programdata
%appdata%\x11\a
%programfiles%\tmtkcontrol

ThreatInfo has observed libcurl-4.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.

File Names:

2 observed names
libcurl.dll libcurl-4.dll

This hash has been seen with multiple file names. Alternate names can appear when software is updated, copied between folders, packed by an installer, or deliberately renamed to avoid recognition. Compare the exact MD5 above before assuming two names refer to the same file.

Geographic signal

Observed country distribution

ThreatInfo has seen libcurl-4.dll across 28 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country Russian Federation
Share 55.4%
Low High activity

The strongest geographic signal for this file is Russian Federation with 55.4% 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 48.3%
Windows 10 40.7%
Windows 8.1 8.2%
Windows 8 1.2%
Windows XP 1.2%
Windows Embedded 8.1 0.3%

The most common operating system signal for libcurl-4.dll is Windows 7 with 48.3% 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-4.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 625152

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

.text 449024 bytes · 71.8% of section data
MD5 097a5f76e97d1d44692887bfd10f2b84
.data 1024 bytes · 0.2% of section data
MD5 773de5b8171a20e87cf124a424c79672
.rdata 80384 bytes · 12.9% of section data
MD5 f04d84b87ec2d65e784e3b30e1e4a878
.eh_fram 58880 bytes · 9.4% of section data
Uncommon name
MD5 92d95dc6faf5655e6d20d353eb4701c0
.bss 0 bytes · 0.0% of section data
MD5 00000000000000000000000000000000
.edata 5632 bytes · 0.9% of section data
MD5 06909e1c9572d2c229688f5dbf72506a
.idata 11776 bytes · 1.9% of section data
MD5 9d500194f9e231597fad6bb5e755dd7f
.CRT 512 bytes · 0.1% of section data
MD5 f1af69c85b390f644962d9a40e36ff11
.tls 512 bytes · 0.1% of section data
MD5 97e4d442bce1c8d0e44438ed80fb14b6
.rsrc 1536 bytes · 0.2% of section data
MD5 839eaf3efd5edd1a3a6c8f26654670c2
.reloc 15872 bytes · 2.5% of section data
MD5 e0fd6eabc86c23e38c9506c208ecd7d5

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 981f71bc1f50cfbe711bf895f4ed0e1b.
  • 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.