GridinSoft Threat Intelligence

qmudisk64_ev.sys threat report

Detected as PUP.Tencent File reputation report
MD5 850e286e412a759a5465c14d29b27520
Latest seen 2022-01-14 21:38:55 (4 years ago)
First seen 2022-01-14 21:38:55 (4 years ago)
Size 255 KB
Publisher Tencent
Product 腾讯电脑管家
Signed by Tencent Technology(Shenzhen) Company Limited;Microsoft Windows Hardware Compatibility Publisher

GridinSoft Anti-Malware detection

Detected by GridinSoft before you download

The current ThreatInfo record shows this exact file hash detected as PUP.Tencent. 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.Tencent
Recommended action
Scan and remove
Last analysis
2022-01-14 21:38:55 (4 years ago)
File hash
850e286e412a759a5465c14d29b27520
Download Anti-Malware

Why it matters

Why GridinSoft flags this file

Detection

GridinSoft identifies the sample as PUP.Tencent.

Timeline

First seen 2022-01-14 21:38:55 (4 years ago); latest analysis 2022-01-14 21:38:55 (4 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. 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.

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 PUP.Tencent, based on the latest analysis from 2022-01-14 21:38:55 (4 years ago).

If qmudisk64_ev.sys 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.Tencent.

File Details

Product Name: 腾讯电脑管家
Company Name: Tencent
MD5: 850e286e412a759a5465c14d29b27520
Size: 255 KB
First Published: 2022-01-14 21:38:55 (4 years ago)
Latest Published: 2022-01-14 21:38:55 (4 years ago)
Status: PUP.Tencent (on last analysis)
Analysis Date: 2022-01-14 21:38:55 (4 years ago)

Detection screenshot

qmudisk64_ev.sys 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.

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:

%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.

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 0x00040064
Image base 0x0000000000010000

PE Sections:

Sections 7
Raw data 243200

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

.text 180736 bytes · 74.3% of section data
MD5 11807b7fc56bbc41fe9532583aced17b
.rdata 20480 bytes · 8.4% of section data
MD5 2ef3d5fa7ac60f6cc921b0d5c9dcecf6
.data 29696 bytes · 12.2% of section data
MD5 55703f18eb53799eab1cbf9ea192669e
.pdata 5120 bytes · 2.1% of section data
MD5 536f5f4e44e57562b8fbc4527bfa6f7b
INIT 5632 bytes · 2.3% of section data
Uncommon name
MD5 59242c02ef15e2d08641a5b5151bc742
.rsrc 1024 bytes · 0.4% of section data
MD5 2a923a031491c8c0bfcccf0d9335f06f
.reloc 512 bytes · 0.2% of section data
MD5 42f1436050e94fa3afb46d778109af47

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.Tencent

This report identifies qmudisk64_ev.sys by MD5 850e286e412a759a5465c14d29b27520. 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 850e286e412a759a5465c14d29b27520.
  • 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.