What is SOPHOS~1.DLL?

SOPHOS~1.DLL is part of Sophos Anti-Virus and developed by Sophos Limited according to the SOPHOS~1.DLL version information.

SOPHOS~1.DLL's description is "Sophos Buffer Overrun Protection"

SOPHOS~1.DLL is digitally signed by Sophos Ltd.

SOPHOS~1.DLL is usually located in the 'C:\WINDOWS\SysWOW64\SophosAV\' folder.

None of the anti-virus scanners at VirusTotal reports anything malicious about SOPHOS~1.DLL.

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 SOPHOS~1.DLL:

PropertyValue
Product nameSophos Anti-Virus
Company nameSophos Limited
File descriptionSophos Buffer Overrun Protection
Internal namesophos_detoured.dll
Original filenamesophos_detoured.dll
Legal copyright© 1989-2019 Sophos Limited, www.sophos.com
Product version10.8.6
File version10.8.6.215

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

Product nameSophos Anti-Virus
Company nameSophos Limited
File descriptionSophos Buffer Overrun Protection
Internal namesophos_detoured.dll
Original filenamesophos_detoured.dll
Legal copyright© 1989-2019 Sophos Limited, www.sop..
Product version10.8.6
File version10.8.6.215

Digital signatures [?]

SOPHOS~1.DLL has a valid digital signature.

PropertyValue
Signer nameSophos Ltd
Certificate issuer nameDigiCert Assured ID Code Signing CA-1
Certificate serial number01b376edf27f52af01ef55d5d3859d39

VirusTotal report

None of the 71 anti-virus programs at VirusTotal detected the SOPHOS~1.DLL file.

None of the 71 anti-virus programs detected the SOPHOS~1.DLL file.

Sandbox Report

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

Summary

Successfully executed process in sandbox.

Summary

{
    "file_exists": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\763707338f0a66fe8138ec61bd6eb2ba14d3d8b19df5839e7b1b4c50233678f3.bin.dll",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\763707338f0a66fe8138ec61bd6eb2ba14d3d8b19df5839e7b1b4c50233678f3.bin.dll.manifest"
    ],
    "regkey_read": [
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
    ],
    "dll_loaded": [
        "kernel32",
        "api-ms-win-core-fibers-l1-1-1",
        "api-ms-win-core-localization-l1-2-1",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\763707338f0a66fe8138ec61bd6eb2ba14d3d8b19df5839e7b1b4c50233678f3.bin.dll",
        "ntdll.dll",
        "api-ms-win-core-synch-l1-2-0"
    ]
}

Generic

[
    {
        "process_path": "C:\\Windows\\SysWOW64\\rundll32.exe",
        "process_name": "rundll32.exe",
        "pid": 2816,
        "summary": {
            "file_exists": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\763707338f0a66fe8138ec61bd6eb2ba14d3d8b19df5839e7b1b4c50233678f3.bin.dll",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\763707338f0a66fe8138ec61bd6eb2ba14d3d8b19df5839e7b1b4c50233678f3.bin.dll.manifest"
            ],
            "regkey_read": [
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
            ],
            "dll_loaded": [
                "kernel32",
                "api-ms-win-core-fibers-l1-1-1",
                "api-ms-win-core-localization-l1-2-1",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\763707338f0a66fe8138ec61bd6eb2ba14d3d8b19df5839e7b1b4c50233678f3.bin.dll",
                "ntdll.dll",
                "api-ms-win-core-synch-l1-2-0"
            ]
        },
        "first_seen": 1592736785.609375,
        "ppid": 2016
    },
    {
        "process_path": "C:\\Windows\\System32\\lsass.exe",
        "process_name": "lsass.exe",
        "pid": 476,
        "summary": {},
        "first_seen": 1592736785.34375,
        "ppid": 376
    }
]

Signatures

[
    {
        "markcount": 1,
        "families": [],
        "description": "This executable has a PDB path",
        "severity": 1,
        "marks": [
            {
                "category": "pdb_path",
                "ioc": "c:\\Build\\build\\Symbols\\Release\\sophos_detoured.pdb",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "has_pdb"
    },
    {
        "markcount": 1,
        "families": [],
        "description": "Allocates read-write-execute memory (usually to unpack itself)",
        "severity": 2,
        "marks": [
            {
                "call": {
                    "category": "process",
                    "status": 1,
                    "stacktrace": [],
                    "api": "NtProtectVirtualMemory",
                    "return_value": 0,
                    "arguments": {
                        "process_identifier": 2816,
                        "stack_dep_bypass": 0,
                        "stack_pivoted": 0,
                        "heap_dep_bypass": 0,
                        "length": 4096,
                        "protection": 64,
                        "process_handle": "0xffffffff",
                        "base_address": "0x74f46000"
                    },
                    "time": 1592736785.718375,
                    "tid": 2420,
                    "flags": {
                        "protection": "PAGE_EXECUTE_READWRITE"
                    }
                },
                "pid": 2816,
                "type": "call",
                "cid": 10
            }
        ],
        "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": 6.1616270542144775,
            "dport": 137,
            "sport": 137
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5190,
            "time": 6.120047092437744,
            "dport": 5355,
            "sport": 51001
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5518,
            "time": 4.129528999328613,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5846,
            "time": 6.13221001625061,
            "dport": 5355,
            "sport": 53848
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 6174,
            "time": 4.632297992706299,
            "dport": 5355,
            "sport": 54255
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 6502,
            "time": 2.979512929916382,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 6830,
            "time": 4.647032022476196,
            "dport": 1900,
            "sport": 1900
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 16628,
            "time": 4.151031970977783,
            "dport": 3702,
            "sport": 49152
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 25012,
            "time": 6.191580057144165,
            "dport": 1900,
            "sport": 53598
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "5d26cf692048a75cb4d3689d6254c3e982d19bbe72c54c558d6f9e017e8ded39",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "37ac6c21641aed8de58a4c1203ca95432415dfb9cefc33c3bffac3c870fc0ab4",
    "irc": [],
    "https_ex": []
}

Screenshots

Screenshot from the sandboxScreenshot from the sandbox

Other files also named SOPHOS~1.DLL

SOPHOS~1.DLL (4 votes)

Hashes [?]

PropertyValue
MD510da863dd6f1e0d68398976c0b7ca32d
SHA256763707338f0a66fe8138ec61bd6eb2ba14d3d8b19df5839e7b1b4c50233678f3

What will you do with SOPHOS~1.DLL?

To help other users, please let us know what you will do with SOPHOS~1.DLL:



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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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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