What is iutils.dll?

iutils.dll is part of DigiCom. Inc and developed by DigiCom. Inc according to the iutils.dll version information.

iutils.dll's description is "SPlugin"

iutils.dll is digitally signed by Digital Communications Inc.

iutils.dll is usually located in the 'C:\Users\LUHURD~1\AppData\Local\Temp\nslA85A.tmp\' folder.

Some of the anti-virus scanners at VirusTotal detected iutils.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.

VirusTotal report

1 of the 72 anti-virus programs at VirusTotal detected the iutils.dll file. That's a 1% detection rate.

Scanner	Detection Name
GData	Win32.Application.Segurazo.A

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\\35dd3eaff0c09729970c5faf848ba40a12e7a5b747f9df343941dc3c5d04bd42.bin.dll",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\35dd3eaff0c09729970c5faf848ba40a12e7a5b747f9df343941dc3c5d04bd42.bin.dll.manifest"
    ],
    "regkey_read": [
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
    ],
    "dll_loaded": [
        "kernel32",
        "api-ms-win-core-localization-l1-2-1",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\35dd3eaff0c09729970c5faf848ba40a12e7a5b747f9df343941dc3c5d04bd42.bin.dll",
        "api-ms-win-core-fibers-l1-1-1",
        "api-ms-win-core-synch-l1-2-0"
    ]
}

Generic

[
    {
        "process_path": "C:\\Windows\\SysWOW64\\rundll32.exe",
        "process_name": "rundll32.exe",
        "pid": 2732,
        "summary": {
            "file_exists": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\35dd3eaff0c09729970c5faf848ba40a12e7a5b747f9df343941dc3c5d04bd42.bin.dll",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\35dd3eaff0c09729970c5faf848ba40a12e7a5b747f9df343941dc3c5d04bd42.bin.dll.manifest"
            ],
            "regkey_read": [
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
            ],
            "dll_loaded": [
                "kernel32",
                "api-ms-win-core-localization-l1-2-1",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\35dd3eaff0c09729970c5faf848ba40a12e7a5b747f9df343941dc3c5d04bd42.bin.dll",
                "api-ms-win-core-fibers-l1-1-1",
                "api-ms-win-core-synch-l1-2-0"
            ]
        },
        "first_seen": 1594173187.546875,
        "ppid": 2892
    },
    {
        "process_path": "C:\\Windows\\System32\\lsass.exe",
        "process_name": "lsass.exe",
        "pid": 476,
        "summary": {},
        "first_seen": 1594173187.3125,
        "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": ".code",
                "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": "NtProtectVirtualMemory",
                    "return_value": 0,
                    "arguments": {
                        "process_identifier": 2732,
                        "stack_dep_bypass": 0,
                        "stack_pivoted": 0,
                        "heap_dep_bypass": 0,
                        "length": 4096,
                        "protection": 64,
                        "process_handle": "0xffffffff",
                        "base_address": "0x74e9d000"
                    },
                    "time": 1594173187.812875,
                    "tid": 2660,
                    "flags": {
                        "protection": "PAGE_EXECUTE_READWRITE"
                    }
                },
                "pid": 2732,
                "type": "call",
                "cid": 10
            }
        ],
        "references": [],
        "name": "allocates_rwx"
    },
    {
        "markcount": 2,
        "families": [],
        "description": "The binary likely contains encrypted or compressed data indicative of a packer",
        "severity": 2,
        "marks": [
            {
                "entropy": 7.998254293988356,
                "section": {
                    "size_of_data": "0x0005aa00",
                    "virtual_address": "0x00029000",
                    "entropy": 7.998254293988356,
                    "name": ".rsrc",
                    "virtual_size": "0x0005a808"
                },
                "type": "generic",
                "description": "A section with a high entropy has been found"
            },
            {
                "entropy": 0.7066276803118908,
                "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"
    }
]

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": 6.131670951843262,
            "dport": 137,
            "sport": 137
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5442,
            "time": 6.097625970840454,
            "dport": 5355,
            "sport": 51001
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5770,
            "time": 4.1482391357421875,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 6098,
            "time": 6.108767032623291,
            "dport": 5355,
            "sport": 53848
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 6426,
            "time": 4.649167060852051,
            "dport": 5355,
            "sport": 54255
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 6754,
            "time": 2.978743076324463,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 7082,
            "time": 4.681299924850464,
            "dport": 1900,
            "sport": 1900
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 16880,
            "time": 4.181718111038208,
            "dport": 3702,
            "sport": 49152
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 25264,
            "time": 6.178142070770264,
            "dport": 1900,
            "sport": 53598
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "69a4c942ec0ba61567d37b7b59f0f3178f82b868cdfe366484a85d73c2ef858e",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "d47334253493d164e4de9d4ff405591cc888ab3d50dcea578f7a3a0e96b15a1d",
    "irc": [],
    "https_ex": []
}

Screenshots

What did other users do?

The poll result listed below shows what users chose to do with iutils.dll. 25% 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 iutils.dll. 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.

And now some shameless self promotion ;)

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