What is unlha32.dll?

unlha32.dll is part of UNLHA32.DLL for Win32 according to the unlha32.dll version information.

unlha32.dll's description is "LZH file processing library"

unlha32.dll is usually located in the 'c:\Program Files (x86)\NCH Software\Components\unlha32\' folder.

None of the anti-virus scanners at VirusTotal reports anything malicious about unlha32.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 unlha32.dll:

PropertyValue
Product nameUNLHA32.DLL for Win32
File descriptionLZH file processing library
Internal nameUNLHA32
Original filenameUNLHA32.DLL
Legal copyright(C)Micco 1995-2010. All rights reserved.
Product version3.00.0.5
File version3.00.0.5

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

Product nameUNLHA32.DLL for Win32
File descriptionLZH file processing library
Internal nameUNLHA32
Original filenameUNLHA32.DLL
Legal copyright(C)Micco 1995-2010. All rights rese..
Product version3.00.0.5
File version3.00.0.5

Digital signatures [?]

unlha32.dll is not signed.

VirusTotal report

None of the 65 anti-virus programs at VirusTotal detected the unlha32.dll file.

None of the 65 anti-virus programs detected the unlha32.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\\126f81c57d54c1ca6bbcdd524c647af635cdb408401a5bc21216b4a0a792dc5c.bin.dll.manifest",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\126f81c57d54c1ca6bbcdd524c647af635cdb408401a5bc21216b4a0a792dc5c.bin.dll"
    ],
    "regkey_opened": [
        "HKEY_CURRENT_USER\\Software\\ArchiverDll\\UNLHA32\\UseOldLogList",
        "HKEY_CURRENT_USER\\Software\\ArchiverDll\\UNLHA32\\Version",
        "HKEY_CURRENT_USER\\Software\\ArchiverDll\\Common",
        "HKEY_CURRENT_USER\\Software\\ArchiverDll\\UNLHA32\\String\\0409",
        "HKEY_CURRENT_USER\\Software\\ArchiverDll\\UNLHA32",
        "HKEY_LOCAL_MACHINE\\Software\\ArchiverDll\\UNLHA32\\String\\0409",
        "HKEY_CURRENT_USER\\Software\\ArchiverDll\\UNLHA32\\CauseOldGfList"
    ],
    "regkey_read": [
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles",
        "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Nls\\CustomLocale\\en-US",
        "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Nls\\ExtendedLocale\\en-US"
    ],
    "dll_loaded": [
        "C:\\Windows\\system32\\apphelp.dll",
        "C:\\Windows\\system32\\user32.dll",
        "C:\\Windows\\system32\\comdlg32.dll",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\126f81c57d54c1ca6bbcdd524c647af635cdb408401a5bc21216b4a0a792dc5c.bin.dll",
        "C:\\Windows\\system32\\advapi32.dll",
        "C:\\Windows\\system32\\gdi32.dll",
        "dwmapi.dll",
        "C:\\Windows\\system32\\sspicli.dll",
        "C:\\Windows\\system32\\uxtheme.dll",
        "imm32.dll"
    ]
}

Generic

[
    {
        "process_path": "C:\\Windows\\SysWOW64\\rundll32.exe",
        "process_name": "rundll32.exe",
        "pid": 2740,
        "summary": {
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                "C:\\Users\\cuck\\AppData\\Local\\Temp\\126f81c57d54c1ca6bbcdd524c647af635cdb408401a5bc21216b4a0a792dc5c.bin.dll"
            ],
            "regkey_opened": [
                "HKEY_CURRENT_USER\\Software\\ArchiverDll\\UNLHA32\\UseOldLogList",
                "HKEY_CURRENT_USER\\Software\\ArchiverDll\\UNLHA32\\Version",
                "HKEY_CURRENT_USER\\Software\\ArchiverDll\\Common",
                "HKEY_CURRENT_USER\\Software\\ArchiverDll\\UNLHA32\\String\\0409",
                "HKEY_CURRENT_USER\\Software\\ArchiverDll\\UNLHA32",
                "HKEY_LOCAL_MACHINE\\Software\\ArchiverDll\\UNLHA32\\String\\0409",
                "HKEY_CURRENT_USER\\Software\\ArchiverDll\\UNLHA32\\CauseOldGfList"
            ],
            "regkey_read": [
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles",
                "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Nls\\CustomLocale\\en-US",
                "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Nls\\ExtendedLocale\\en-US"
            ],
            "dll_loaded": [
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                "C:\\Windows\\system32\\user32.dll",
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                "C:\\Users\\cuck\\AppData\\Local\\Temp\\126f81c57d54c1ca6bbcdd524c647af635cdb408401a5bc21216b4a0a792dc5c.bin.dll",
                "C:\\Windows\\system32\\advapi32.dll",
                "C:\\Windows\\system32\\gdi32.dll",
                "dwmapi.dll",
                "C:\\Windows\\system32\\sspicli.dll",
                "C:\\Windows\\system32\\uxtheme.dll",
                "imm32.dll"
            ]
        },
        "first_seen": 1583866386.625,
        "ppid": 1664
    },
    {
        "process_path": "C:\\Windows\\System32\\lsass.exe",
        "process_name": "lsass.exe",
        "pid": 476,
        "summary": {},
        "first_seen": 1583866386.328125,
        "ppid": 376
    }
]

Signatures

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        "severity": 1,
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                    "status": 0,
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                    "last_error": 0,
                    "nt_status": -1073741511,
                    "api": "IsDebuggerPresent",
                    "return_value": 0,
                    "arguments": {},
                    "time": 1583866386.797,
                    "tid": 2436,
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                "pid": 2740,
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                "type": "generic",
                "size": "0x00000090"
            }
        ],
        "references": [],
        "name": "origin_langid"
    },
    {
        "markcount": 2,
        "families": [],
        "description": "The binary likely contains encrypted or compressed data indicative of a packer",
        "severity": 2,
        "marks": [
            {
                "entropy": 7.388092947368241,
                "section": {
                    "size_of_data": "0x00024400",
                    "virtual_address": "0x0002f000",
                    "entropy": 7.388092947368241,
                    "name": ".data",
                    "virtual_size": "0x00059cdc"
                },
                "type": "generic",
                "description": "A section with a high entropy has been found"
            },
            {
                "entropy": 0.3913630229419703,
                "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": 6.193453788757324,
            "dport": 137,
            "sport": 137
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 3246,
            "time": 6.126817941665649,
            "dport": 5355,
            "sport": 51001
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 3574,
            "time": 4.155010938644409,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 3902,
            "time": 6.133985996246338,
            "dport": 5355,
            "sport": 53848
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 4230,
            "time": 4.64954400062561,
            "dport": 5355,
            "sport": 54255
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 4558,
            "time": 3.0161759853363037,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 4886,
            "time": 4.679247856140137,
            "dport": 1900,
            "sport": 1900
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 10350,
            "time": 4.191633939743042,
            "dport": 3702,
            "sport": 49152
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 14542,
            "time": 6.256459951400757,
            "dport": 1900,
            "sport": 53598
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "b3430519b1d083676961455cb0029e517aab275ec0746c6926010c84346866c6",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "f79e70ab426972c751e005343eb0fe2af5c1593cd5c182b3fc6854d4d2a51b59",
    "irc": [],
    "https_ex": []
}

Screenshots

Screenshot from the sandbox

Hashes [?]

PropertyValue
MD5ae041e680ae569a4860e600188fa0adf
SHA256126f81c57d54c1ca6bbcdd524c647af635cdb408401a5bc21216b4a0a792dc5c

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The poll result listed below shows what users chose to do with unlha32.dll. 0% have voted for removal. Based on votes from 1 user.

Votes
Keep100 %
1
Remove0 %
0

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Comments

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