What is eamsi.dll?

eamsi.dll is part of ESET Security and developed by ESET according to the eamsi.dll version information.

eamsi.dll's description is "ESET Antimalware Scan Interface DLL"

eamsi.dll is digitally signed by ESET, spol. s r.o..

eamsi.dll is usually located in the 'C:\Program Files\ESET\ESET Security\' folder.

None of the anti-virus scanners at VirusTotal reports anything malicious about eamsi.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 eamsi.dll:

PropertyValue
Product nameESET Security
Company nameESET
File descriptionESET Antimalware Scan Interface DLL
Internal nameeamsi.dll
Original filenameeamsi.dll
Legal copyrightCopyright (c) ESET, spol. s r.o. 1992-2020. All rights reserved.
Legal trademarkNOD, NOD32, AMON, ESET are registered trademarks of ESET.
Product version13.1.9.0 BETA
File version10.13.36.0 BETA

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

Product nameESET Security
Company nameESET
File descriptionESET Antimalware Scan Interface DLL
Internal nameeamsi.dll
Original filenameeamsi.dll
Legal copyrightCopyright (c) ESET, spol. s r.o. 199..
Legal trademarkNOD, NOD32, AMON, ESET are registere..
Product version13.1.9.0 BETA
File version10.13.36.0 BETA

Digital signatures [?]

eamsi.dll has a valid digital signature.

PropertyValue
Signer nameESET, spol. s r.o.
Certificate issuer nameDigiCert High Assurance Code Signing CA-1
Certificate serial number09588fe4c40b2219f29b4ed1fac846d2

VirusTotal report

None of the 72 anti-virus programs at VirusTotal detected the eamsi.dll file.

None of the 72 anti-virus programs detected the eamsi.dll file.

Sandbox Report

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

Summary

Successfully executed process in sandbox.

Summary

{
    "dll_loaded": [
        "kernel32",
        "kernel32.dll",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\fc066f57e413d4bb1e3dd96122f41e876fea8ecf33727f47347066c523ce2245.bin.dll"
    ],
    "file_opened": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\fc066f57e413d4bb1e3dd96122f41e876fea8ecf33727f47347066c523ce2245.bin.dll"
    ],
    "command_line": [
        "\"C:\\Windows\\System32\\rundll32.exe\" C:\\Users\\cuck\\AppData\\Local\\Temp\\fc066f57e413d4bb1e3dd96122f41e876fea8ecf33727f47347066c523ce2245.bin.dll,DllMain"
    ],
    "file_exists": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\fc066f57e413d4bb1e3dd96122f41e876fea8ecf33727f47347066c523ce2245.bin.dll.manifest",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\fc066f57e413d4bb1e3dd96122f41e876fea8ecf33727f47347066c523ce2245.bin.dll"
    ],
    "file_read": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\fc066f57e413d4bb1e3dd96122f41e876fea8ecf33727f47347066c523ce2245.bin.dll"
    ],
    "regkey_read": [
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\OLE\\PageAllocatorSystemHeapIsPrivate",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\OLE\\PageAllocatorUseSystemHeap"
    ]
}

Generic

[
    {
        "process_path": "C:\\Windows\\System32\\lsass.exe",
        "process_name": "lsass.exe",
        "pid": 476,
        "summary": {},
        "first_seen": 1585230784.328125,
        "ppid": 376
    },
    {
        "process_path": "C:\\Windows\\SysWOW64\\rundll32.exe",
        "process_name": "rundll32.exe",
        "pid": 2740,
        "summary": {
            "dll_loaded": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\fc066f57e413d4bb1e3dd96122f41e876fea8ecf33727f47347066c523ce2245.bin.dll"
            ],
            "file_opened": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\fc066f57e413d4bb1e3dd96122f41e876fea8ecf33727f47347066c523ce2245.bin.dll"
            ],
            "command_line": [
                "\"C:\\Windows\\System32\\rundll32.exe\" C:\\Users\\cuck\\AppData\\Local\\Temp\\fc066f57e413d4bb1e3dd96122f41e876fea8ecf33727f47347066c523ce2245.bin.dll,DllMain"
            ],
            "file_exists": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\fc066f57e413d4bb1e3dd96122f41e876fea8ecf33727f47347066c523ce2245.bin.dll.manifest",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\fc066f57e413d4bb1e3dd96122f41e876fea8ecf33727f47347066c523ce2245.bin.dll"
            ],
            "file_read": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\fc066f57e413d4bb1e3dd96122f41e876fea8ecf33727f47347066c523ce2245.bin.dll"
            ],
            "regkey_read": [
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
            ]
        },
        "first_seen": 1585230784.671875,
        "ppid": 1664
    },
    {
        "process_path": "C:\\Windows\\System32\\rundll32.exe",
        "process_name": "rundll32.exe",
        "pid": 2828,
        "summary": {
            "file_exists": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\fc066f57e413d4bb1e3dd96122f41e876fea8ecf33727f47347066c523ce2245.bin.dll.manifest",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\fc066f57e413d4bb1e3dd96122f41e876fea8ecf33727f47347066c523ce2245.bin.dll"
            ],
            "regkey_read": [
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\OLE\\PageAllocatorSystemHeapIsPrivate",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\OLE\\PageAllocatorUseSystemHeap"
            ],
            "dll_loaded": [
                "kernel32",
                "kernel32.dll",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\fc066f57e413d4bb1e3dd96122f41e876fea8ecf33727f47347066c523ce2245.bin.dll"
            ]
        },
        "first_seen": 1585230784.875,
        "ppid": 2740
    }
]

Signatures

[
    {
        "markcount": 1,
        "families": [],
        "description": "This executable has a PDB path",
        "severity": 1,
        "marks": [
            {
                "category": "pdb_path",
                "ioc": "eamsi.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": "_RDATA",
                "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": "REGISTRY",
                "type": "ioc",
                "description": null
            },
            {
                "category": "resource name",
                "ioc": "TYPELIB",
                "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": 3.0691118240356445,
            "dport": 137,
            "sport": 137
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5326,
            "time": 3.0020129680633545,
            "dport": 5355,
            "sport": 51001
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5654,
            "time": 1.0359108448028564,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5982,
            "time": 3.0095019340515137,
            "dport": 5355,
            "sport": 53848
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 6310,
            "time": 1.5508129596710205,
            "dport": 5355,
            "sport": 54255
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 6638,
            "time": -0.0895841121673584,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 6966,
            "time": 1.5467329025268555,
            "dport": 1900,
            "sport": 1900
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 16764,
            "time": 1.0568618774414062,
            "dport": 3702,
            "sport": 49152
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 25148,
            "time": 3.1169958114624023,
            "dport": 1900,
            "sport": 53598
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "581a379678679341ca1df0ca1618dcec95b4628b72cd705bb0dda3f0bd4ff99e",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "911e437a38bda0bdb02f8744579b872d98b1e54c5e65ec1f14c34c1e570ca292",
    "irc": [],
    "https_ex": []
}

Screenshots

Screenshot from the sandboxScreenshot from the sandbox

Hashes [?]

PropertyValue
MD5fa522d4e17807cbc27e19f381f6fc3ac
SHA256fc066f57e413d4bb1e3dd96122f41e876fea8ecf33727f47347066c523ce2245

What will you do with eamsi.dll?

To help other users, please let us know what you will do with eamsi.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.

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.

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