QMMain.dll file report

MD5 2bb1f53f3d49c0d80962f3368004de17
Latest seen 2021-03-01 04:49:02 (5 years ago)
First seen 2020-08-08 18:55:37 (5 years ago)
Size 1 MB
Publisher Tencent
Product PC Manager

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2020-08-08 18:55:37 (5 years ago); latest analysis 2021-03-01 04:49:02 (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.

QMMain.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 04:49:02 (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: PC Manager
Company Name: Tencent
MD5: 2bb1f53f3d49c0d80962f3368004de17
Size: 1 MB
First Published: 2020-08-08 18:55:37 (5 years ago)
Latest Published: 2021-03-01 04:49:02 (5 years ago)
Status: Undefined (on last analysis)
Analysis Date: 2021-03-01 04:49:02 (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 QMMain.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
%programfiles%\tencent\qqpcmgr
%programfiles%\tencent\qqpcmgr

ThreatInfo has observed QMMain.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.

33.3%
33.3%
33.3%

The strongest geographic signal for this file is Poland with 33.3% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.

Windows 10 66.7%
Windows 7 33.3%

The most common operating system signal for QMMain.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.

QMMain.dll is identified as pe for 32 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.

Subsystem: Windows GUI
PE Type: pe
OS Bitness: 32
Image Base: 0x10000000
Entry Address: 0x000c3b80

PE Sections:

Name Size of data MD5
.text 884736 a2cf8887fbaa694ed8efaf8cb821cd1e
.rdata 290816 725e45ddb9189a12688b1eec8068f3f0
.data 81920 4c42a6dace983778a7b4482a08e07086
.rsrc 57344 9201b7867bd19253bc673d54cc48f29f
.reloc 176128 0e762472c1edde8f13e94f8843c31177

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.

More information: