GridinSoft Threat Intelligence
kl1.sys file report
Why it matters
Evidence available for this file
No final classification is available yet.
First seen 2020-12-15 20:20:33 (5 years ago); latest analysis 2021-01-14 08:31:46 (5 years ago).
Company metadata: AO Kaspersky Lab. Product metadata: Coretech Delivery.
Signed by Kaspersky Lab;Microsoft Windows Hardware Compatibility Publisher. 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
kl1.sys is a Windows file recorded in the ThreatInfo database. It is associated with Coretech Delivery. The reported company name is AO Kaspersky Lab. The current detection status is Undefined, based on the latest analysis from 2021-01-14 08:31:46 (5 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: | Coretech Delivery |
| Company Name: | AO Kaspersky Lab |
| MD5: | 4da8c9f95ca9464cd710555090cca03e |
| Size: | 641 KB |
| First Published: | 2020-12-15 20:20:33 (5 years ago) |
| Latest Published: | 2021-01-14 08:31:46 (5 years ago) |
| Status: | Undefined (on last analysis) | |
| Analysis Date: | 2021-01-14 08:31:46 (5 years ago) |
Overview
| Signed By: | Kaspersky Lab;Microsoft Windows Hardware Compatibility Publisher |
| Status: | Valid |
The signature on kl1.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% |
| %programfiles%\checkpoint\zonealarm\avsys\install\instdrivers\kl1 |
ThreatInfo has observed kl1.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 kl1.sys across 3 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is Thailand with 60.0% 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 kl1.sys 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
kl1.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.
9c976abadddee4fa766179049e3c9e07
d41d8cd98f00b204e9800998ecf8427e
0c2da1e71e83a240bc1dc17aacacc8b7
2e21f767f96ed93c34382349699cfbec
e49700da7841c397f953e2e4399796b2
d06cbdf49717936bfc5a67d77fad383b
9dcf84d76dff7d794ccd29ac2bcaa204
6236df4d43bc9251651e13aa1a641471
9944a9af9e60d04cc6d919eb0aae171c
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.