What is klgse.sys?

klgse.sys is part of System Interceptors PDK and developed by AO Kaspersky Lab according to the klgse.sys version information.

klgse.sys's description is "Security Extender [fre_win7_x64_sdk]"

klgse.sys is usually located in the 'C:\WINDOWS\system32\drivers\' folder.

None of the anti-virus scanners at VirusTotal reports anything malicious about klgse.sys.

If you have additional information about the file, please share it with the FreeFixer users by posting a comment at the bottom of this page.

Vendor and version information [?]

The following is the available information on klgse.sys:

PropertyValue
Product nameSystem Interceptors PDK
Company nameAO Kaspersky Lab
File descriptionSecurity Extender [fre_win7_x64_sdk]
Internal nameklgse
Legal copyright© 2019 AO Kaspersky Lab. All Rights Reserved.
Legal trademarkRegistered trademarks and service marks are the property of their respective owners
Product version20.2.34.0
File version20.2.34.0

Here's a screenshot of the file properties when displayed by Windows Explorer:

Product nameSystem Interceptors PDK
Company nameAO Kaspersky Lab
File descriptionSecurity Extender [fre_win7_x64_sdk]
Internal nameklgse
Legal copyright© 2019 AO Kaspersky Lab. All Rights..
Legal trademarkRegistered trademarks and service ma..
Product version20.2.34.0
File version20.2.34.0

Digital signatures [?]

The verification of klgse.sys's digital signature failed.

PropertyValue
Signer nameKaspersky Lab
Certificate issuer nameDigiCert High Assurance Code Signing CA-1
Certificate serial number0f9d91c6aba86f4e54cbb9ef57e68346

VirusTotal report

None of the 66 anti-virus programs at VirusTotal detected the klgse.sys file.

None of the 66 anti-virus programs detected the klgse.sys file.

Sandbox Report

The following information was gathered by executing the file inside Cuckoo Sandbox.

Summary

ERROR: Failed to execute process.

Generic

[
    {
        "process_path": "C:\\Windows\\System32\\lsass.exe",
        "process_name": "lsass.exe",
        "pid": 476,
        "summary": {},
        "first_seen": 1570809185.3438,
        "ppid": 376
    }
]

Signatures

[
    {
        "markcount": 1,
        "families": [],
        "description": "This executable has a PDB path",
        "severity": 1,
        "marks": [
            {
                "category": "pdb_path",
                "ioc": "C:\\a\\b\\c_7JK6KS0N\\s\\component\\system_interceptors\\.output\\fre_win7_x64_sdk\\klgse_sdk\\klgse.pdb",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "has_pdb"
    },
    {
        "markcount": 3,
        "families": [],
        "description": "The executable contains unknown PE section names indicative of a packer (could be a false positive)",
        "severity": 1,
        "marks": [
            {
                "category": "section",
                "ioc": "INITDATA",
                "type": "ioc",
                "description": null
            },
            {
                "category": "section",
                "ioc": "PAGE",
                "type": "ioc",
                "description": null
            },
            {
                "category": "section",
                "ioc": "INIT",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "pe_features"
    },
    {
        "markcount": 1,
        "families": [],
        "description": "The binary likely contains encrypted or compressed data indicative of a packer",
        "severity": 2,
        "marks": [
            {
                "entropy": 6.9356583497431,
                "section": {
                    "size_of_data": "0x00015a00",
                    "virtual_address": "0x00057000",
                    "entropy": 6.9356583497431,
                    "name": ".data",
                    "virtual_size": "0x00019df0"
                },
                "type": "generic",
                "description": "A section with a high entropy has been found"
            }
        ],
        "references": [
            "http:\/\/www.forensickb.com\/2013\/03\/file-entropy-explained.html",
            "http:\/\/virii.es\/U\/Using%20Entropy%20Analysis%20to%20Find%20Encrypted%20and%20Packed%20Malware.pdf"
        ],
        "name": "packer_entropy"
    }
]

Yara

The Yara rules did not detect anything in the file.

Network

{
    "tls": [],
    "udp": [
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 1098,
            "time": 4.1639809608459,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 1426,
            "time": 4.670825958252,
            "dport": 5355,
            "sport": 54255
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 1754,
            "time": 3.0643739700317,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 2082,
            "time": 4.2301790714264,
            "dport": 1900,
            "sport": 1900
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 7460,
            "time": 4.1909968852997,
            "dport": 3702,
            "sport": 49152
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "ffb93ca63d9c144d8ea2f6b5fb60f86f1f99dff7ebcefd4dca5f6d976509dc1f",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "30f88afc0f93aec0549c093441d253455afe2c5809d1c74240fc92711375ba45",
    "irc": [],
    "https_ex": []
}

Screenshots

Screenshot from the sandbox

Hashes [?]

PropertyValue
MD57b9defa9d5d19e1cf1a411a85678acb8
SHA25644998b4ba0f1a32f39eb73acbf0ac39de0681eefcf1b414f09f99a9d569821fb

What will you do with klgse.sys?

To help other users, please let us know what you will do with klgse.sys:



Malware or legitimate?

If you feel that you need more information to determine if your should keep this file or remove it, please read this guide.

Please select the option that best describe your thoughts on the information provided on this web page


Free online surveys

And now some shameless self promotion ;)

A screenshot of FreeFixer's scan result.Hi, my name is Roger Karlsson. I've been running this website since 2006. I want to let you know about the FreeFixer program. FreeFixer is a freeware tool that analyzes your system and let you manually identify unwanted programs. Once you've identified some malware files, FreeFixer is pretty good at removing them. You can download FreeFixer here. It runs on Windows 2000/XP/2003/2008/2016/2019/Vista/7/8/8.1/10. Supports both 32- and 64-bit Windows.

If you have questions, feedback on FreeFixer or the freefixer.com website, need help analyzing FreeFixer's scan result or just want to say hello, please contact me. You can find my email address at the contact page.

Comments

Please share with the other users what you think about this file. What does this file do? Is it legitimate or something that your computer is better without? Do you know how it was installed on your system? Did you install it yourself or did it come bundled with some other software? Is it running smoothly or do you get some error message? Any information that will help to document this file is welcome. Thank you for your contributions.

I'm reading all new comments so don't hesitate to post a question about the file. If I don't have the answer perhaps another user can help you.

No comments posted yet.

Leave a reply