GridinSoft Threat Intelligence

tsskx64.sys.bak_ file report

Under review File reputation report
MD5 426774d13b16b6c7ef34620f8f4a4f9c
Latest seen 2021-01-13 10:39:37 (5 years ago)
First seen 2017-06-21 22:08:07 (8 years ago)
Size 51 KB
Publisher 电脑管家
Product 电脑管家
Signed by Tencent Technology(Shenzhen) Company Limited

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 2017-06-21 22:08:07 (8 years ago); latest analysis 2021-01-13 10:39:37 (5 years ago).

Publisher context

Company metadata: 电脑管家. Product metadata: 电脑管家.

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.

File context

tsskx64.sys.bak_ is a Windows file recorded in the ThreatInfo database. It is associated with 电脑管家. The reported company name is 电脑管家. The current detection status is Undefined, based on the latest analysis from 2021-01-13 10:39:37 (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.

File Details

Product Name: 电脑管家
Company Name: 电脑管家
MD5: 426774d13b16b6c7ef34620f8f4a4f9c
Size: 51 KB
First Published: 2017-06-21 22:08:07 (8 years ago)
Latest Published: 2021-01-13 10:39:37 (5 years ago)
Status: Undefined (on last analysis)
Analysis Date: 2021-01-13 10:39:37 (5 years ago)

Overview

Signed By: Tencent Technology(Shenzhen) Company Limited
Status: Valid

The signature on tsskx64.sys.bak_ 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:

%system%\drivers
%system%
%programfiles%\tencent\qqpcmgr\11.6.17647.229\filegroupupdate\sectionsbackup

ThreatInfo has observed tsskx64.sys.bak_ 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.

File Names:

2 observed names
tsskx64.sys tsskx64.sys.bak_

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.

Geographic signal

Observed country distribution

ThreatInfo has seen tsskx64.sys.bak_ across 6 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country Hong Kong
Share 16.7%
Low High activity

The strongest geographic signal for this file is Hong Kong with 16.7% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.

OS Version:

Windows 7 100.0%

The most common operating system signal for tsskx64.sys.bak_ is Windows 7 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

tsskx64.sys.bak_ 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 0x0000c064
Image base 0x0000000000010000

PE Sections:

Sections 7
Raw data 35328

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

.text 25600 bytes · 72.5% of section data
MD5 171c39e8e98bc922c5b608c794c9ca92
.rdata 3072 bytes · 8.7% of section data
MD5 216fdb592e017e35374f6c7778d996f4
.data 1024 bytes · 2.9% of section data
MD5 1079a57f64675675f297e7c4859d6d42
.pdata 1024 bytes · 2.9% of section data
MD5 b2c340b769e0976d507ab8f53132e72f
INIT 3072 bytes · 8.7% of section data
Uncommon name
MD5 5cd3a313114d1197ec98becab6fffa42
.rsrc 1024 bytes · 2.9% of section data
MD5 4e8f8d841e867e4245f42627a0d69380
.reloc 512 bytes · 1.4% of section data
MD5 28dd015a2ef4f869377011baf9cf344c

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 426774d13b16b6c7ef34620f8f4a4f9c.
  • 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.