GridinSoft Threat Intelligence
TesSafe.sys file report
Why it matters
Evidence available for this file
No final classification is available yet.
First seen 2025-06-30 23:00:36 (11 months ago); latest analysis 2025-06-30 23:00:36 (11 months ago).
Signed by Tencent Technology(Shenzhen) Company Limited. The signature is reported as valid, but signed files can still be bundled or abused.
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
TesSafe.sys is a Windows file recorded in the ThreatInfo database. It is associated with Loader64. The reported company name is TENCENT. The current detection status is Undefined, based on the latest analysis from 2025-06-30 23:00:36 (11 months 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: | Loader64 |
| Company Name: | TENCENT |
| MD5: | eff335db5ef208f0cc93a0ec3d43f684 |
| Size: | 559 KB |
| First Published: | 2025-06-30 23:00:36 (11 months ago) |
| Latest Published: | 2025-06-30 23:00:36 (11 months ago) |
| Status: | Undefined (on last analysis) | |
| Analysis Date: | 2025-06-30 23:00:36 (11 months ago) |
Overview
| Signed By: | Tencent Technology(Shenzhen) Company Limited |
| Status: | Valid |
The signature on TesSafe.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:
| %system% |
ThreatInfo has observed TesSafe.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 TesSafe.sys across 1 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is China with 100.0% 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 TesSafe.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
TesSafe.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.
PE Sections:
Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.
4a051f772b865b7268345f40bf7236c7
b681fcb789a6d372993bc28f71d9d705
5b69bc774d50d8f86353127f6f183a46
ef08149d4b3cf2ddfb00ad3659f5a652
2d7a8b861df6b3e85ea658745d33b591
3f652949620d73c05b266fe1bac6f4ec
3a03f8dfe425af097d761a8d6439ccea
23945fe351714dba486ffb0d2aad975f
56d29bb45f9a8a2c5f8fca60e43a9b9b
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.