GridinSoft Threat Intelligence

dlcore (1).dll file report

Under review File reputation report
MD5 3bdfb925ec461d2e2d527ab836214943
Latest seen 2021-02-28 16:40:52 (5 years ago)
First seen 2017-05-21 06:06:35 (9 years ago)
Size 2 MB

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2017-05-21 06:06:35 (9 years ago); latest analysis 2021-02-28 16:40:52 (5 years ago).

Publisher context

Company metadata: Tencent Technology (Shenzhen) Company Limited. Product metadata: Tencentdl Module.

Digital signature

Signed by Tencent Technology(Shenzhen) Company Limited. The signature is reported as valid, but signed files can still be bundled or abused.

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.

dlcore (1).dll is a Windows file recorded in the ThreatInfo database. It is associated with Tencentdl Module. The reported company name is Tencent Technology (Shenzhen) Company Limited. The current detection status is Undefined, based on the latest analysis from 2021-02-28 16:40:52 (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.

Product Name: Tencentdl Module
Company Name: Tencent Technology (Shenzhen) Company Limited
MD5: 3bdfb925ec461d2e2d527ab836214943
Size: 2 MB
First Published: 2017-05-21 06:06:35 (9 years ago)
Latest Published: 2021-02-28 16:40:52 (5 years ago)
Status: Undefined (on last analysis)
Analysis Date: 2021-02-28 16:40:52 (5 years ago)

The signature on dlcore (1).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.

%commondir%\tencent\qqdownload\131
%programfiles%\tencent\qq\bin
%programfiles%\tencent\qq\bin\setupex
%appdata%\tencent\qq\stemp\setupex0
%appdata%\tencent\qqphonemanager\components\qqdownload
%sysdrive%\adwcleaner\quarantine\files\pjfozkqqxqhcbertljxhrxysdvbskbwi\qqdownload\131
%programfiles%\rootjoy\downloader
%sysdrive%\adwcleaner\quarantine\files\oujtfteagizliwswcxgidqxykkwxyfhc\qqphonemanager\components\qqdownload
%profile%\dministrator\application data\tencent\qq\stemp\setupex0
%profile%\dministrator\application data\tencent\qqphonemanager\components\qqdownload

ThreatInfo has observed dlcore (1).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.

dlcore.dll dlcore.dll.vir 379282B211721DFDA34A97E4A8A18D56F0FCDE87.dll dlcore (1).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.

Windows 10 48.9%
Windows 7 35.7%
Windows 8.1 8.5%
Windows 8 2.1%
Windows XP 1.6%
Windows Server 2008 R2 1.2%
Windows Server 2003 0.9%
Windows Server 2012 R2 0.6%
Windows Server 2012 0.4%
Windows Vista 0.1%
Windows Server 2016 0.1%

The most common operating system signal for dlcore (1).dll is Windows 10 with 48.9% 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.

dlcore (1).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 0x0016fc5b
Image base 0x10000000

PE Sections:

Sections 5
Raw data 2136064

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

.text 1742848 bytes · 81.6% of section data
MD5 6f1616bac1a5b8608f81e3c8f6c987ed
.rdata 259072 bytes · 12.1% of section data
MD5 cd815727b03be2efdd71cd7d9b34ef1f
.data 27136 bytes · 1.3% of section data
MD5 24b1fa8b4349240ebe59e15fce0a33f5
.rsrc 15360 bytes · 0.7% of section data
MD5 227fd66b05738608b4be7d8b606552db
.reloc 91648 bytes · 4.3% of section data
MD5 1a1595bd57f4bf13ce62c4a937a9f6fb

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 3bdfb925ec461d2e2d527ab836214943.
  • 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.