GridinSoft Threat Intelligence

libcurl.dll threat report

Detected as PUP.MailRu File reputation report
MD5 da688a22c1e5d4834fd81423d676d3da
Latest seen 2024-11-22 23:04:09 (2 years ago)
First seen 2020-11-18 15:55:10 (5 years ago)
Size 370 KB
Signed by LLC Mail.Ru

GridinSoft Anti-Malware detection

Detected by GridinSoft before you download

The current ThreatInfo record shows this exact file hash detected as PUP.MailRu. 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
PUP.MailRu
Recommended action
Scan and remove
Last analysis
2024-11-22 23:04:09 (2 years ago)
File hash
da688a22c1e5d4834fd81423d676d3da
Download Anti-Malware

Why it matters

Why GridinSoft flags this file

Detection

GridinSoft identifies the sample as PUP.MailRu, part of the PUP threat category.

Category context

Potentially unwanted programs, bundlers, installers, and utilities with intrusive behavior. Related PUP reports help compare this file with nearby detections, publishers, and hashes.

Timeline

First seen 2020-11-18 15:55:10 (5 years ago); latest analysis 2024-11-22 23:04:09 (2 years ago).

Publisher context

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

Digital signature

Signed by LLC Mail.Ru. The signature is reported as valid, but signed files can still be bundled or abused.

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. Compare the MD5 above with the file found on the device.
  2. Check whether the file appears in the observed locations or under one of the alternate names.
  3. Run GridinSoft Anti-Malware to confirm the detection and remove the file if it is present. Review the PUP category for related samples and common 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, https://curl.haxx.se/. The current detection status is PUP.MailRu, based on the latest analysis from 2024-11-22 23:04:09 (2 years ago). ThreatInfo groups this verdict with PUP reports for broader family-level investigation.

If libcurl.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 PUP.MailRu.

Product Name: The curl library
Company Name: The curl library, https://curl.haxx.se/
MD5: da688a22c1e5d4834fd81423d676d3da
Size: 370 KB
First Published: 2020-11-18 15:55:10 (5 years ago)
Latest Published: 2024-11-22 23:04:09 (2 years ago)
Status: PUP.MailRu (on last analysis)
Analysis Date: 2024-11-22 23:04:09 (2 years ago)
libcurl.dll 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.

Signed By: LLC Mail.Ru
Status: Valid

The signature on libcurl.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.

%localappdata%\mail.ru\disk-o

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.

Windows 10 100.0%

The most common operating system signal for libcurl.dll is Windows 10 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.

libcurl.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.

Format pe
Architecture 32-bit
Subsystem Windows GUI
Entry point 0x0004af2f
Image base 0x10000000

PE Sections:

Sections 5
Raw data 372224

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

.text 305664 bytes · 82.1% of section data
MD5 1e09ec471ac69f0c0c3f15f226301db8
.rdata 51200 bytes · 13.8% of section data
MD5 e39d7c60d4128c45aaf0072cb15df6da
.data 512 bytes · 0.1% of section data
MD5 6e75259023537305cca8cc5723a76073
.rsrc 1536 bytes · 0.4% of section data
MD5 076cae539f9786eb427dd334d08451ca
.reloc 13312 bytes · 3.6% of section data
MD5 966ec38e7bbd178b39f8606c197c1ec3

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 PUP.MailRu

This report identifies libcurl.dll by MD5 da688a22c1e5d4834fd81423d676d3da. It is part of the PUP 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.

Download GridinSoft Anti-Malware Scan the device and confirm whether this exact hash is present. Check this hash on VirusTotal

Recommended next steps

  • Compare the local file MD5 with da688a22c1e5d4834fd81423d676d3da.
  • Check the file path, publisher, and signature against the details in this report.
  • Run a GridinSoft scan and remove the object if the same hash is found. Use the PUP category to compare similar reports.