What is amd64_microsoft-windows-usermodepowerservice_31bf3856ad364e35_6.3.9600.19496_none_4ebfd54b2070f209_umpo.dll_d1843b37?

amd64_microsoft-windows-usermodepowerservice_31bf3856ad364e35_6.3.9600.19496_none_4ebfd54b2070f209_umpo.dll_d1843b37 is part of Microsoft® Windows® Operating System and developed by Microsoft Corporation according to the amd64_microsoft-windows-usermodepowerservice_31bf3856ad364e35_6.3.9600.19496_none_4ebfd54b2070f209_umpo.dll_d1843b37 version information.

amd64_microsoft-windows-usermodepowerservice_31bf3856ad364e35_6.3.9600.19496_none_4ebfd54b2070f209_umpo.dll_d1843b37's description is "User-mode Power Service"

amd64_microsoft-windows-usermodepowerservice_31bf3856ad364e35_6.3.9600.19496_none_4ebfd54b2070f209_umpo.dll_d1843b37 is digitally signed by Microsoft Windows.

amd64_microsoft-windows-usermodepowerservice_31bf3856ad364e35_6.3.9600.19496_none_4ebfd54b2070f209_umpo.dll_d1843b37 is usually located in the 'c:\Windows\WinSxS\Backup\' folder.

None of the anti-virus scanners at VirusTotal reports anything malicious about amd64_microsoft-windows-usermodepowerservice_31bf3856ad364e35_6.3.9600.19496_none_4ebfd54b2070f209_umpo.dll_d1843b37.

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 amd64_microsoft-windows-usermodepowerservice_31bf3856ad364e35_6.3.9600.19496_none_4ebfd54b2070f209_umpo.dll_d1843b37:

PropertyValue
Product nameMicrosoft® Windows® Operating System
Company nameMicrosoft Corporation
File descriptionUser-mode Power Service
Internal nameUmpo.DLL
Original filenameUmpo.DLL
Legal copyright© Microsoft Corporation. All rights reserved.
Product version6.3.9600.19496
File version6.3.9600.19496 (winblue_ltsb_escrow.190918-1939)

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

Product nameMicrosoft® Windows® Operating System
Company nameMicrosoft Corporation
File descriptionUser-mode Power Service
Internal nameUmpo.DLL
Original filenameUmpo.DLL
Legal copyright© Microsoft Corporation. All rights..
Product version6.3.9600.19496
File version6.3.9600.19496 (winblue_ltsb_escrow...

Digital signatures [?]

amd64_microsoft-windows-usermodepowerservice_31bf3856ad364e35_6.3.9600.19496_none_4ebfd54b2070f209_umpo.dll_d1843b37 has a valid digital signature.

PropertyValue
Signer nameMicrosoft Windows
Certificate issuer nameMicrosoft Windows Production PCA 2011
Certificate serial number330000023241fb59996dcc4dff000000000232

VirusTotal report

None of the 70 anti-virus programs at VirusTotal detected the amd64_microsoft-windows-usermodepowerservice_31bf3856ad364e35_6.3.9600.19496_none_4ebfd54b2070f209_umpo.dll_d1843b37 file.

None of the 70 anti-virus programs detected the amd64_microsoft-windows-usermodepowerservice_31bf3856ad364e35_6.3.9600.19496_none_4ebfd54b2070f209_umpo.dll_d1843b37 file.

Sandbox Report

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

Summary

Successfully executed process in sandbox.

Summary

{
    "dll_loaded": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\38eb1a2c4374ad8b3097e397f70361b706cb02973125609dccaed660ab736acb.bin.dll"
    ],
    "file_opened": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\38eb1a2c4374ad8b3097e397f70361b706cb02973125609dccaed660ab736acb.bin.dll",
        "C:\\Windows\\System32\\en-US\\KERNELBASE.dll.mui"
    ],
    "command_line": [
        "\"C:\\Windows\\System32\\rundll32.exe\" C:\\Users\\cuck\\AppData\\Local\\Temp\\38eb1a2c4374ad8b3097e397f70361b706cb02973125609dccaed660ab736acb.bin.dll,DllMain"
    ],
    "file_exists": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\38eb1a2c4374ad8b3097e397f70361b706cb02973125609dccaed660ab736acb.bin.dll",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\38eb1a2c4374ad8b3097e397f70361b706cb02973125609dccaed660ab736acb.bin.dll.manifest"
    ],
    "file_read": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\38eb1a2c4374ad8b3097e397f70361b706cb02973125609dccaed660ab736acb.bin.dll"
    ],
    "regkey_read": [
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\Windows Error Reporting\\WMR\\Disable",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
    ]
}

Generic

[
    {
        "process_path": "C:\\Windows\\SysWOW64\\rundll32.exe",
        "process_name": "rundll32.exe",
        "pid": 2420,
        "summary": {
            "dll_loaded": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\38eb1a2c4374ad8b3097e397f70361b706cb02973125609dccaed660ab736acb.bin.dll"
            ],
            "file_opened": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\38eb1a2c4374ad8b3097e397f70361b706cb02973125609dccaed660ab736acb.bin.dll"
            ],
            "command_line": [
                "\"C:\\Windows\\System32\\rundll32.exe\" C:\\Users\\cuck\\AppData\\Local\\Temp\\38eb1a2c4374ad8b3097e397f70361b706cb02973125609dccaed660ab736acb.bin.dll,DllMain"
            ],
            "file_exists": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\38eb1a2c4374ad8b3097e397f70361b706cb02973125609dccaed660ab736acb.bin.dll",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\38eb1a2c4374ad8b3097e397f70361b706cb02973125609dccaed660ab736acb.bin.dll.manifest"
            ],
            "file_read": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\38eb1a2c4374ad8b3097e397f70361b706cb02973125609dccaed660ab736acb.bin.dll"
            ],
            "regkey_read": [
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
            ]
        },
        "first_seen": 1572666786.7656,
        "ppid": 1268
    },
    {
        "process_path": "C:\\Windows\\System32\\lsass.exe",
        "process_name": "lsass.exe",
        "pid": 476,
        "summary": {},
        "first_seen": 1572666786.3281,
        "ppid": 376
    },
    {
        "process_path": "C:\\Windows\\System32\\rundll32.exe",
        "process_name": "rundll32.exe",
        "pid": 2588,
        "summary": {
            "file_opened": [
                "C:\\Windows\\System32\\en-US\\KERNELBASE.dll.mui"
            ],
            "file_exists": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\38eb1a2c4374ad8b3097e397f70361b706cb02973125609dccaed660ab736acb.bin.dll",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\38eb1a2c4374ad8b3097e397f70361b706cb02973125609dccaed660ab736acb.bin.dll.manifest"
            ],
            "regkey_read": [
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\Windows Error Reporting\\WMR\\Disable",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
            ],
            "dll_loaded": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\38eb1a2c4374ad8b3097e397f70361b706cb02973125609dccaed660ab736acb.bin.dll"
            ]
        },
        "first_seen": 1572666786.9375,
        "ppid": 2420
    }
]

Signatures

[
    {
        "markcount": 1,
        "families": [],
        "description": "This executable has a PDB path",
        "severity": 1,
        "marks": [
            {
                "category": "pdb_path",
                "ioc": "umpo.pdb",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "has_pdb"
    },
    {
        "markcount": 1,
        "families": [],
        "description": "The executable contains unknown PE section names indicative of a packer (could be a false positive)",
        "severity": 1,
        "marks": [
            {
                "category": "section",
                "ioc": ".didat",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "pe_features"
    },
    {
        "markcount": 2,
        "families": [],
        "description": "The file contains an unknown PE resource name possibly indicative of a packer",
        "severity": 1,
        "marks": [
            {
                "category": "resource name",
                "ioc": "MUI",
                "type": "ioc",
                "description": null
            },
            {
                "category": "resource name",
                "ioc": "WEVT_TEMPLATE",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "pe_unknown_resource_name"
    }
]

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": 3.071142911911,
            "dport": 137,
            "sport": 137
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 4318,
            "time": 3.0028648376465,
            "dport": 5355,
            "sport": 51001
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 4646,
            "time": 1.0161697864532,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 4974,
            "time": 3.0103168487549,
            "dport": 5355,
            "sport": 53848
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5302,
            "time": 1.5185739994049,
            "dport": 5355,
            "sport": 54255
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5630,
            "time": -0.086384057998657,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 5958,
            "time": 1.5311689376831,
            "dport": 1900,
            "sport": 1900
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 14640,
            "time": 1.0467948913574,
            "dport": 3702,
            "sport": 49152
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 18832,
            "time": 3.1175448894501,
            "dport": 1900,
            "sport": 53598
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "30fdc920383d266aeb87517bf027a5ca5837e5cedc9e421f8c7ee0814b1b9930",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "8dceefc82bc3233557f9a58295a2db6a75a0cefec40578ee16c293f628fbe198",
    "irc": [],
    "https_ex": []
}

Screenshots

Screenshot from the sandboxScreenshot from the sandbox

Hashes [?]

PropertyValue
MD5ea1b3ad8b794356c1e2ce40873de75e6
SHA25638eb1a2c4374ad8b3097e397f70361b706cb02973125609dccaed660ab736acb

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Malware or legitimate?

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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.

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