GridinSoft Threat Intelligence

dr.dll file report

Under review File reputation report
MD5 82fcd7c5255bb897b5206e1eee4e206b
Latest seen 2021-03-01 04:31:41 (5 years ago)
First seen 2020-08-08 18:42:13 (5 years ago)
Size 402 KB
Publisher Tencent
Product PC Manager

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

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 2020-08-08 18:42:13 (5 years ago); latest analysis 2021-03-01 04:31:41 (5 years ago).

Publisher context

Company metadata: Tencent. Product metadata: PC Manager.

Digital signature

Signed by Tencent Technology(Shenzhen) Company Limited. The signature is not reported as trusted and valid, which can indicate tampering, repackaging, or copied publisher data.

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.

dr.dll is a Windows file recorded in the ThreatInfo database. It is associated with PC Manager. The reported company name is Tencent. The current detection status is Undefined, based on the latest analysis from 2021-03-01 04:31:41 (5 years ago). ThreatInfo groups this verdict with PUP reports for broader family-level investigation.

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: PC Manager
Company Name: Tencent
MD5: 82fcd7c5255bb897b5206e1eee4e206b
Size: 402 KB
First Published: 2020-08-08 18:42:13 (5 years ago)
Latest Published: 2021-03-01 04:31:41 (5 years ago)
Status: Undefined (on last analysis)
Analysis Date: 2021-03-01 04:31:41 (5 years ago)
Signed By: Tencent Technology(Shenzhen) Company Limited
Status: Invalid (digital signature could be stolen or file could be patched)

The signature on dr.dll is not reported as trusted and valid. Invalid or suspicious signature data can indicate tampering, repackaging, or an unrelated file using copied publisher information.

%programfiles%\tencent\qqpcmgr

ThreatInfo has observed dr.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 66.7%
Windows 7 33.3%

The most common operating system signal for dr.dll is Windows 10 with 66.7% 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.

dr.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 0x0003e42b
Image base 0x10000000

PE Sections:

Sections 6
Raw data 393216

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

.text 270336 bytes · 68.8% of section data
MD5 94235d92f69170428310d3f5bcb41105
.rdata 69632 bytes · 17.7% of section data
MD5 9743cb345f9aaa17799eaa8d694a5472
.data 28672 bytes · 7.3% of section data
MD5 ae986039835807e85b0be36d95a7e109
.QMGuid 4096 bytes · 1.0% of section data
Uncommon name
MD5 620f0b67a91f7f74151bc5be745b7110
.rsrc 4096 bytes · 1.0% of section data
MD5 881c63a2b4437dd382cf7c29d793bd77
.reloc 16384 bytes · 4.2% of section data
MD5 df33aaeda22cfbb6bc2e26851c03257b

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 82fcd7c5255bb897b5206e1eee4e206b.
  • 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. Use the PUP category to compare similar reports.