What is aswEngSrv.exe?

aswEngSrv.exe is part of AVG Internet Security System and developed by AVG Technologies CZ, s.r.o. according to the aswEngSrv.exe version information.

aswEngSrv.exe's description is "AVG Antivirus engine server"

aswEngSrv.exe is digitally signed by AVG Technologies USA, LLC.

aswEngSrv.exe is usually located in the 'C:\Program Files\AVG\Antivirus\' folder.

None of the anti-virus scanners at VirusTotal reports anything malicious about aswEngSrv.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 71 anti-virus programs at VirusTotal detected the aswEngSrv.exe file.

Sandbox Report

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

Summary

ERROR: Failed to execute process.

Generic

[
    {
        "process_path": "C:\\Windows\\System32\\lsass.exe",
        "process_name": "lsass.exe",
        "pid": 476,
        "summary": {},
        "first_seen": 1587941590.3125,
        "ppid": 376
    }
]

Signatures

[
    {
        "markcount": 1,
        "families": [],
        "description": "This executable has a PDB path",
        "severity": 1,
        "marks": [
            {
                "category": "pdb_path",
                "ioc": "D:\\work\\e0dd96435fde7cb0\\BUILDS\\Release\\x64\\aswEngSrv.pdb",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "has_pdb"
    },
    {
        "markcount": 1,
        "families": [],
        "description": "The binary likely contains encrypted or compressed data indicative of a packer",
        "severity": 2,
        "marks": [
            {
                "entropy": 7.402510068438591,
                "section": {
                    "size_of_data": "0x00015a00",
                    "virtual_address": "0x00078000",
                    "entropy": 7.402510068438591,
                    "name": ".rsrc",
                    "virtual_size": "0x000158e8"
                },
                "type": "generic",
                "description": "A section with a high entropy has been found"
            }
        ],
        "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": "224.0.0.252",
            "offset": 710,
            "time": 1.1018459796905518,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 874,
            "time": -0.03531813621520996,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 1202,
            "time": 1.1104638576507568,
            "dport": 3702,
            "sport": 49152
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "b303b672f02e487332dac87710b8385aa5c98f14f89c4bb2a7dc3bcfa3328680",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "18110188aa90149710fef3ee4f5e75c2c6bd88f169aff4600479f3315ad50e65",
    "irc": [],
    "https_ex": []
}

Error Messages

What did other users do?

The poll result listed below shows what users chose to do with aswEngSrv.exe. 83% have voted for removal. Based on votes from 6 users.

NOTE: Please do not use this poll as the only source of input to determine what you will do with aswEngSrv.exe. Only 6 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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