GridinSoft Threat Intelligence
massfilter.sys file report
Why it matters
Evidence available for this file
No final classification is available yet.
First seen 2017-06-12 10:14:24 (8 years ago); latest analysis 2023-03-15 23:50:58 (3 years ago).
Company metadata: ZTE Incorporated. Product metadata: ZTE CDROM Filter.
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
- Use the hash and metadata below to verify the exact file identity.
- Review publisher, signature, paths, and PE details for inconsistencies.
- Run a local scan if the file appears unexpectedly or starts with Windows.
File context
massfilter.sys is a Windows file recorded in the ThreatInfo database. It is associated with ZTE CDROM Filter. The reported company name is ZTE Incorporated. The current detection status is Undefined, based on the latest analysis from 2023-03-15 23:50:58 (3 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.
File Details
| Product Name: | ZTE CDROM Filter |
| Company Name: | ZTE Incorporated |
| MD5: | 59a2783aba6019bed0c843c706e10a6a |
| Size: | 9 KB |
| First Published: | 2017-06-12 10:14:24 (8 years ago) |
| Latest Published: | 2023-03-15 23:50:58 (3 years ago) |
| Status: | Undefined (on last analysis) | |
| Analysis Date: | 2023-03-15 23:50:58 (3 years ago) |
Common Places:
| %programfiles%\zte管理程式\drivers\32bit\vista |
| %programfiles%\zte管理程式\drivers\32bit\win7 |
| %programfiles%\zte_1.2059.0.8\drivers\32bit |
| %programfiles%\wnet\drivers\32bit |
| %programfiles%\ais\drivers\32bit |
ThreatInfo has observed massfilter.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 massfilter.sys across 9 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is United Kingdom with 35.3% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.
OS Version:
The most common operating system signal for massfilter.sys is Windows 7 with 52.9% 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
massfilter.sys is identified as pe for 32-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.
PE Sections:
Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.
7f0abcb28a371f129998adc48662c56e
b0f36721cb0f6192257fd45d428e98df
0b2e7741e0c0fc65af1542e370d89f53
c12c68b1be9aff159e37f274f568293d
678783fd51407ad8744b911fad7872ba
c3f578bbd1d311b899d8994562a81075
1e0bd234eb16fcdcb74f4e906144d737
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.