What is AM_Delta_Patch_1.313.68.0.exe?

AM_Delta_Patch_1.313.68.0.exe is part of Microsoft Malware Protection and developed by Microsoft Corporation according to the AM_Delta_Patch_1.313.68.0.exe version information.

AM_Delta_Patch_1.313.68.0.exe's description is "Microsoft Antimalware WU Stub"

AM_Delta_Patch_1.313.68.0.exe is digitally signed by Microsoft Corporation.

AM_Delta_Patch_1.313.68.0.exe is usually located in the 'c:\Windows\SoftwareDistribution\Download\Install\' folder.

None of the anti-virus scanners at VirusTotal reports anything malicious about AM_Delta_Patch_1.313.68.0.exe.

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 AM_Delta_Patch_1.313.68.0.exe:

PropertyValue
Product nameMicrosoft Malware Protection
Company nameMicrosoft Corporation
File descriptionMicrosoft Antimalware WU Stub
Internal nameAM_Delta_Patch_1.313.68.0.exe
Original filenameAM_Delta_Patch_1.313.68.0.exe
Legal copyright© Microsoft Corporation. All rights reserved.
Product version1.313.136.0
File version1.313.136.0

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

Product nameMicrosoft Malware Protection
Company nameMicrosoft Corporation
File descriptionMicrosoft Antimalware WU Stub
Internal nameAM_Delta_Patch_1.313.68.0.exe
Original filenameAM_Delta_Patch_1.313.68.0.exe
Legal copyright© Microsoft Corporation. All rights..
Product version1.313.136.0
File version1.313.136.0

Digital signatures [?]

AM_Delta_Patch_1.313.68.0.exe has a valid digital signature.

PropertyValue
Signer nameMicrosoft Corporation
Certificate issuer nameMicrosoft Code Signing PCA 2010
Certificate serial number33000002c2813cef6a1e0924010000000002c2

VirusTotal report

None of the 72 anti-virus programs at VirusTotal detected the AM_Delta_Patch_1.313.68.0.exe file.

None of the 72 anti-virus programs detected the AM_Delta_Patch_1.313.68.0.exe file.

Sandbox Report

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

Summary

Successfully executed process in sandbox.

Summary

{
    "file_opened": [
        "C:\\Windows\\System32\\MpSigStub.exe"
    ],
    "file_exists": [
        "C:\\Windows\\System32\\advapi32.dll",
        "C:\\Windows\\System32\\version.dll"
    ],
    "regkey_opened": [
        "HKEY_LOCAL_MACHINE\\Software\\Microsoft\\Windows Defender\\MpEngine",
        "HKEY_LOCAL_MACHINE\\Software\\Microsoft\\Microsoft Antimalware\\MpEngine",
        "HKEY_LOCAL_MACHINE\\Software\\Microsoft\\Windows Defender\\Features",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\MpSigStub"
    ],
    "regkey_written": [
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\MpSigStub\\LastStartTime",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\MpSigStub\\LastExitCode"
    ],
    "dll_loaded": [
        "kernel32",
        "C:\\Windows\\system32\\advapi32.dll",
        "C:\\Windows\\system32\\version.dll"
    ]
}

Generic

[
    {
        "process_path": "C:\\Users\\cuck\\AppData\\Local\\Temp\\9fc4c149a09f5e902266fa9ff9b088480a8dd8452687976821aa5773fb1550b2.bin",
        "process_name": "9fc4c149a09f5e902266fa9ff9b088480a8dd8452687976821aa5773fb1550b2.bin",
        "pid": 2800,
        "summary": {
            "file_opened": [
                "C:\\Windows\\System32\\MpSigStub.exe"
            ],
            "file_exists": [
                "C:\\Windows\\System32\\advapi32.dll",
                "C:\\Windows\\System32\\version.dll"
            ],
            "regkey_opened": [
                "HKEY_LOCAL_MACHINE\\Software\\Microsoft\\Windows Defender\\MpEngine",
                "HKEY_LOCAL_MACHINE\\Software\\Microsoft\\Microsoft Antimalware\\MpEngine",
                "HKEY_LOCAL_MACHINE\\Software\\Microsoft\\Windows Defender\\Features",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\MpSigStub"
            ],
            "regkey_written": [
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\MpSigStub\\LastStartTime",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\MpSigStub\\LastExitCode"
            ],
            "dll_loaded": [
                "kernel32",
                "C:\\Windows\\system32\\advapi32.dll",
                "C:\\Windows\\system32\\version.dll"
            ]
        },
        "first_seen": 1585291986.609375,
        "ppid": 3040
    },
    {
        "process_path": "C:\\Windows\\System32\\lsass.exe",
        "process_name": "lsass.exe",
        "pid": 476,
        "summary": {},
        "first_seen": 1585291986.34375,
        "ppid": 376
    }
]

Signatures

[
    {
        "markcount": 1,
        "families": [],
        "description": "This executable has a PDB path",
        "severity": 1,
        "marks": [
            {
                "category": "pdb_path",
                "ioc": "MpWUStub.pdb",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "has_pdb"
    },
    {
        "markcount": 2,
        "families": [],
        "description": "The file contains an unknown PE resource name possibly indicative of a packer",
        "severity": 1,
        "marks": [
            {
                "category": "resource name",
                "ioc": "BINARY",
                "type": "ioc",
                "description": null
            },
            {
                "category": "resource name",
                "ioc": "CABINET",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "pe_unknown_resource_name"
    },
    {
        "markcount": 2,
        "families": [],
        "description": "The binary likely contains encrypted or compressed data indicative of a packer",
        "severity": 2,
        "marks": [
            {
                "entropy": 7.996854578475764,
                "section": {
                    "size_of_data": "0x0008bc00",
                    "virtual_address": "0x0003c000",
                    "entropy": 7.996854578475764,
                    "name": ".rsrc",
                    "virtual_size": "0x0008bb7c"
                },
                "type": "generic",
                "description": "A section with a high entropy has been found"
            },
            {
                "entropy": 0.7143769968051118,
                "type": "generic",
                "description": "Overall entropy of this PE file is high"
            }
        ],
        "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"
    },
    {
        "markcount": 1,
        "families": [],
        "description": "Expresses interest in specific running processes",
        "severity": 2,
        "marks": [
            {
                "category": "process",
                "ioc": "9fc4c149a09f5e902266fa9ff9b088480a8dd8452687976821aa5773fb1550b2.bin",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "process_interest"
    },
    {
        "markcount": 1,
        "families": [],
        "description": "Attempts to identify installed AV products by registry key",
        "severity": 3,
        "marks": [
            {
                "category": "registry",
                "ioc": "HKEY_LOCAL_MACHINE\\Software\\Microsoft\\Microsoft Antimalware\\MpEngine",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "antiav_detectreg"
    }
]

Yara

The Yara rules did not detect anything in the file.

Network

{
    "tls": [],
    "udp": [
        {
            "src": "192.168.56.101",
            "dst": "192.168.56.255",
            "offset": 546,
            "time": 3.078572988510132,
            "dport": 137,
            "sport": 137
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 3346,
            "time": 3.0183990001678467,
            "dport": 5355,
            "sport": 51001
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 3674,
            "time": 1.07830810546875,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 4002,
            "time": 3.0281870365142822,
            "dport": 5355,
            "sport": 53848
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 4330,
            "time": 1.5959720611572266,
            "dport": 5355,
            "sport": 54255
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 4658,
            "time": -0.08681392669677734,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 4986,
            "time": 1.611860990524292,
            "dport": 1900,
            "sport": 1900
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 11456,
            "time": 1.1099960803985596,
            "dport": 3702,
            "sport": 49152
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 15648,
            "time": 3.1409430503845215,
            "dport": 1900,
            "sport": 53598
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "d6a48cd07c8b15865a9dc0ebddf0ed716173ad9e5d5b306bee1ab6ee7bcb4745",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "846ce09b35fdf8c378d660e8012e7357aa79f8fcecd9257d343b793913f17068",
    "irc": [],
    "https_ex": []
}

Screenshots

Screenshot from the sandbox

Hashes [?]

PropertyValue
MD50b91ac0aa9047b0b4316fc020b4ddd72
SHA2569fc4c149a09f5e902266fa9ff9b088480a8dd8452687976821aa5773fb1550b2

Error Messages

These are some of the error messages that can appear related to am_delta_patch_1.313.68.0.exe:

am_delta_patch_1.313.68.0.exe has encountered a problem and needs to close. We are sorry for the inconvenience.

am_delta_patch_1.313.68.0.exe - Application Error. The instruction at "0xXXXXXXXX" referenced memory at "0xXXXXXXXX". The memory could not be "read/written". Click on OK to terminate the program.

Microsoft Antimalware WU Stub has stopped working.

End Program - am_delta_patch_1.313.68.0.exe. This program is not responding.

am_delta_patch_1.313.68.0.exe is not a valid Win32 application.

am_delta_patch_1.313.68.0.exe - Application Error. The application failed to initialize properly (0xXXXXXXXX). Click OK to terminate the application.

What will you do with the file?

To help other users, please let us know what you will do with the file:



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