GridinSoft Threat Intelligence

QMUdisk64_ev.sys file report

Under review File reputation report
MD5 122a8446dc2c04af4c7f0c6e3fc1c2ff
Latest seen 2024-11-21 23:06:11 (2 years ago)
First seen 2024-10-17 23:01:03 (2 years ago)
Size 209 KB
Publisher Tencent
Product 腾讯电脑管家
Signed by Tencent Technology (Shenzhen) Company Limited;Microsoft Windows Hardware Compatibility Publisher

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 2024-10-17 23:01:03 (2 years ago); latest analysis 2024-11-21 23:06:11 (2 years ago).

Publisher context

Company metadata: Tencent. Product metadata: 腾讯电脑管家.

Digital signature

Signed by Tencent Technology (Shenzhen) Company Limited;Microsoft Windows Hardware Compatibility Publisher. 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. 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

QMUdisk64_ev.sys is a Windows file recorded in the ThreatInfo database. It is associated with 腾讯电脑管家. The reported company name is Tencent. The current detection status is Undefined, based on the latest analysis from 2024-11-21 23:06:11 (2 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.

File Details

Product Name: 腾讯电脑管家
Company Name: Tencent
MD5: 122a8446dc2c04af4c7f0c6e3fc1c2ff
Size: 209 KB
First Published: 2024-10-17 23:01:03 (2 years ago)
Latest Published: 2024-11-21 23:06:11 (2 years ago)
Status: Undefined (on last analysis)
Analysis Date: 2024-11-21 23:06:11 (2 years ago)

Overview

Signed By: Tencent Technology (Shenzhen) Company Limited;Microsoft Windows Hardware Compatibility Publisher
Status: Valid

The signature on QMUdisk64_ev.sys 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.

Common Places:

%sysdrive%\qqpcmgr
%programfiles%\tencent\qqpcmgr

ThreatInfo has observed QMUdisk64_ev.sys 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.

Geographic signal

Observed country distribution

ThreatInfo has seen QMUdisk64_ev.sys across 2 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country China
Share 50.0%
Low High activity

The strongest geographic signal for this file is China with 50.0% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.

OS Version:

Windows 10 100.0%

The most common operating system signal for QMUdisk64_ev.sys 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.

Analysis

QMUdisk64_ev.sys is identified as pe for 64-bit systems. The subsystem is Native. PE header values are useful for triage, especially when they do not match the expected publisher, product, or release timeline.

Format pe
Architecture 64-bit
Subsystem Native
Entry point 0x00032064
Image base 0x0000000000010000

PE Sections:

Sections 7
Raw data 192000

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

.text 134144 bytes · 69.9% of section data
MD5 11564217cab58c1accfead38f3d8f4e9
.rdata 18944 bytes · 9.9% of section data
MD5 e3fbcf8412ffe6b818efe2744cb53ee6
.data 28672 bytes · 14.9% of section data
MD5 32190a096d3f684133d772d8b2627e6e
.pdata 3584 bytes · 1.9% of section data
MD5 606867f4b632eca52099e297ced4e24d
INIT 5120 bytes · 2.7% of section data
Uncommon name
MD5 ed843b047abf1495848cedc9eccda79f
.rsrc 1024 bytes · 0.5% of section data
MD5 9d9673f46cc88405e1ae13c41451eba3
.reloc 512 bytes · 0.3% of section data
MD5 a36e70d798b0e16202f76f94b01258a8

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 122a8446dc2c04af4c7f0c6e3fc1c2ff.
  • 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.