What is WinUpdStopSvc.exe?

WinUpdStopSvc.exe is part of NoVirusThanks Win Update Stop Service and developed by NoVirusThanks Company Srl according to the WinUpdStopSvc.exe version information.

WinUpdStopSvc.exe's description is "NoVirusThanks Win Update Stop Service"

WinUpdStopSvc.exe is digitally signed by NoVirusThanks Company Srl.

WinUpdStopSvc.exe is usually located in the 'C:\Program Files\NoVirusThanks\Win Update Stop\' folder.

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

VirusTotal report

None of the 69 anti-virus programs at VirusTotal detected the WinUpdStopSvc.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:\\Users\\cuck\\AppData\\Local\\Temp\\",
        "C:\\Windows\\Globalization\\Sorting\\sortdefault.nls"
    ],
    "regkey_opened": [
        "\\Software\\CodeGear\\Locales",
        "HKEY_LOCAL_MACHINE\\System\\CurrentControlSet\\Control\\Keyboard Layouts\\04090409",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\FontSubstitutes",
        "\\Software\\Borland\\Delphi\\Locales",
        "\\Software\\Embarcadero\\Locales",
        "\\Software\\Borland\\Locales",
        "HKEY_LOCAL_MACHINE\\System\\CurrentControlSet\\Control\\Keyboard Layouts\\041D0409"
    ],
    "regkey_read": [
        "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Nls\\Language Groups\\1",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\FontSubstitutes\\MS Shell Dlg 2",
        "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Nls\\CustomLocale\\en-US",
        "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Nls\\Locale\\00000409",
        "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Nls\\ExtendedLocale\\en-US"
    ],
    "dll_loaded": [
        "API-MS-Win-Security-LSALookup-L1-1-0.dll",
        "WINSTA.dll",
        "ADVAPI32.dll",
        "kernel32.dll",
        "uxtheme.dll",
        "wtsapi32.dll",
        "dwmapi.dll",
        "RPCRT4.dll",
        "USER32.dll",
        "imm32.dll"
    ]
}

Generic

[
    {
        "process_path": "C:\\Users\\cuck\\AppData\\Local\\Temp\\e7766837c88b31ca08a82e4c24c60ddb67eb3f27e69ea2b338d7934767478030.bin",
        "process_name": "e7766837c88b31ca08a82e4c24c60ddb67eb3f27e69ea2b338d7934767478030.bin",
        "pid": 2420,
        "summary": {
            "file_opened": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\",
                "C:\\Windows\\Globalization\\Sorting\\sortdefault.nls"
            ],
            "regkey_opened": [
                "\\Software\\CodeGear\\Locales",
                "HKEY_LOCAL_MACHINE\\System\\CurrentControlSet\\Control\\Keyboard Layouts\\04090409",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\FontSubstitutes",
                "\\Software\\Borland\\Delphi\\Locales",
                "\\Software\\Embarcadero\\Locales",
                "\\Software\\Borland\\Locales",
                "HKEY_LOCAL_MACHINE\\System\\CurrentControlSet\\Control\\Keyboard Layouts\\041D0409"
            ],
            "regkey_read": [
                "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Nls\\Language Groups\\1",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\FontSubstitutes\\MS Shell Dlg 2",
                "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Nls\\CustomLocale\\en-US",
                "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Nls\\Locale\\00000409",
                "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Nls\\ExtendedLocale\\en-US"
            ],
            "dll_loaded": [
                "API-MS-Win-Security-LSALookup-L1-1-0.dll",
                "WINSTA.dll",
                "ADVAPI32.dll",
                "kernel32.dll",
                "uxtheme.dll",
                "wtsapi32.dll",
                "dwmapi.dll",
                "RPCRT4.dll",
                "USER32.dll",
                "imm32.dll"
            ]
        },
        "first_seen": 1572555186.8438,
        "ppid": 2448
    },
    {
        "process_path": "C:\\Windows\\System32\\lsass.exe",
        "process_name": "lsass.exe",
        "pid": 476,
        "summary": {},
        "first_seen": 1572555186.5938,
        "ppid": 376
    }
]

Signatures

[
    {
        "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": ".didata",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "pe_features"
    },
    {
        "markcount": 1,
        "families": [],
        "description": "Allocates read-write-execute memory (usually to unpack itself)",
        "severity": 2,
        "marks": [
            {
                "call": {
                    "category": "process",
                    "status": 1,
                    "stacktrace": [],
                    "api": "NtAllocateVirtualMemory",
                    "return_value": 0,
                    "arguments": {
                        "process_identifier": 2420,
                        "region_size": 4096,
                        "stack_dep_bypass": 0,
                        "stack_pivoted": 0,
                        "heap_dep_bypass": 0,
                        "protection": 64,
                        "process_handle": "0xffffffffffffffff",
                        "allocation_type": 4096,
                        "base_address": "0x0000000001fb0000"
                    },
                    "time": 1572554757.581,
                    "tid": 2460,
                    "flags": {
                        "protection": "PAGE_EXECUTE_READWRITE",
                        "allocation_type": "MEM_COMMIT"
                    }
                },
                "pid": 2420,
                "type": "call",
                "cid": 157
            }
        ],
        "references": [],
        "name": "allocates_rwx"
    }
]

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": 662,
            "time": 6.3542699813843,
            "dport": 137,
            "sport": 137
        },
        {
            "src": "192.168.56.101",
            "dst": "192.168.56.255",
            "offset": 5342,
            "time": 12.400964975357,
            "dport": 138,
            "sport": 138
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 7186,
            "time": 6.1860258579254,
            "dport": 5355,
            "sport": 51001
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 7514,
            "time": 4.165519952774,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 7842,
            "time": 6.2914130687714,
            "dport": 5355,
            "sport": 53848
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 8170,
            "time": 4.8073179721832,
            "dport": 5355,
            "sport": 54255
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 8498,
            "time": 3.0601320266724,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 8826,
            "time": 4.7297768592834,
            "dport": 1900,
            "sport": 1900
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 28236,
            "time": 4.2121708393097,
            "dport": 3702,
            "sport": 49152
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 36620,
            "time": 6.2951018810272,
            "dport": 1900,
            "sport": 53598
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "1cffc3baefd2de7efdd067a11ac27045ce0c5a5b8402de62c11fce57b7104978",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "0686d2667fe2b0e461fc0a03a8bd602729e155dc95b51a7cc767c7a354a5d90a",
    "irc": [],
    "https_ex": []
}

Screenshots

Error Messages

What did other users do?

The poll result listed below shows what users chose to do with the file. 50% have voted for removal. Based on votes from 4 users.

NOTE: Please do not use this poll as the only source of input to determine what you will do with the file. Only 4 users has voted so far so it does not offer a high degree of confidence.

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.

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