What is nsRichEdit.dll?

nsRichEdit.dll is part of nsRichEdit NSIS plug-in and developed by Afrow Soft Ltd. according to the nsRichEdit.dll version information.

nsRichEdit.dll's description is "nsRichEdit NSIS plug-in"

nsRichEdit.dll is usually located in the 'c:\users\%USERNAME%\appdata\local\temp\nsceffb.tmp\' folder.

Some of the anti-virus scanners at VirusTotal detected nsRichEdit.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 nsRichEdit.dll file. That's a 1% detection rate.

Scanner	Detection Name
APEX	Malicious

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\\add71c2a8ea08ca5a9ef7eb9e725443ae64939f7db0ad80e8adfb89267feb72b.bin.dll",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\add71c2a8ea08ca5a9ef7eb9e725443ae64939f7db0ad80e8adfb89267feb72b.bin.dll.manifest"
    ],
    "regkey_read": [
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
    ],
    "dll_loaded": [
        "COMDLG32.dll",
        "GDI32.dll",
        "KERNEL32.DLL",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\add71c2a8ea08ca5a9ef7eb9e725443ae64939f7db0ad80e8adfb89267feb72b.bin.dll",
        "USER32.dll",
        "imm32.dll"
    ]
}

Generic

[
    {
        "process_path": "C:\\Windows\\SysWOW64\\rundll32.exe",
        "process_name": "rundll32.exe",
        "pid": 2740,
        "summary": {
            "file_exists": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\add71c2a8ea08ca5a9ef7eb9e725443ae64939f7db0ad80e8adfb89267feb72b.bin.dll",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\add71c2a8ea08ca5a9ef7eb9e725443ae64939f7db0ad80e8adfb89267feb72b.bin.dll.manifest"
            ],
            "regkey_read": [
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
            ],
            "dll_loaded": [
                "COMDLG32.dll",
                "GDI32.dll",
                "KERNEL32.DLL",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\add71c2a8ea08ca5a9ef7eb9e725443ae64939f7db0ad80e8adfb89267feb72b.bin.dll",
                "USER32.dll",
                "imm32.dll"
            ]
        },
        "first_seen": 1589784784.765249,
        "ppid": 1664
    },
    {
        "process_path": "C:\\Windows\\System32\\lsass.exe",
        "process_name": "lsass.exe",
        "pid": 476,
        "summary": {},
        "first_seen": 1589784784.3125,
        "ppid": 376
    }
]

Signatures

[
    {
        "markcount": 2,
        "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": 2740,
                        "stack_dep_bypass": 0,
                        "stack_pivoted": 0,
                        "heap_dep_bypass": 0,
                        "length": 4096,
                        "protection": 64,
                        "process_handle": "0xffffffff",
                        "base_address": "0x77351000"
                    },
                    "time": 1589784784.874249,
                    "tid": 2436,
                    "flags": {
                        "protection": "PAGE_EXECUTE_READWRITE"
                    }
                },
                "pid": 2740,
                "type": "call",
                "cid": 12
            },
            {
                "call": {
                    "category": "process",
                    "status": 1,
                    "stacktrace": [],
                    "api": "NtProtectVirtualMemory",
                    "return_value": 0,
                    "arguments": {
                        "process_identifier": 2740,
                        "stack_dep_bypass": 0,
                        "stack_pivoted": 0,
                        "heap_dep_bypass": 0,
                        "length": 4096,
                        "protection": 64,
                        "process_handle": "0xffffffff",
                        "base_address": "0x74f11000"
                    },
                    "time": 1589784784.874249,
                    "tid": 2436,
                    "flags": {
                        "protection": "PAGE_EXECUTE_READWRITE"
                    }
                },
                "pid": 2740,
                "type": "call",
                "cid": 14
            }
        ],
        "references": [],
        "name": "allocates_rwx"
    },
    {
        "markcount": 2,
        "families": [],
        "description": "The binary likely contains encrypted or compressed data indicative of a packer",
        "severity": 2,
        "marks": [
            {
                "entropy": 7.576014798996881,
                "section": {
                    "size_of_data": "0x00000c00",
                    "virtual_address": "0x00007000",
                    "entropy": 7.576014798996881,
                    "name": "UPX1",
                    "virtual_size": "0x00001000"
                },
                "type": "generic",
                "description": "A section with a high entropy has been found"
            },
            {
                "entropy": 0.6666666666666666,
                "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"
    },
    {
        "markcount": 2,
        "families": [],
        "description": "The executable is compressed using UPX",
        "severity": 2,
        "marks": [
            {
                "section": "UPX0",
                "type": "generic",
                "description": "Section name indicates UPX"
            },
            {
                "section": "UPX1",
                "type": "generic",
                "description": "Section name indicates UPX"
            }
        ],
        "references": [],
        "name": "packer_upx"
    }
]

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": 3.1092801094055176,
            "dport": 137,
            "sport": 137
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 3346,
            "time": 3.0440590381622314,
            "dport": 5355,
            "sport": 51001
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 3674,
            "time": 1.0557410717010498,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 4002,
            "time": 3.0764169692993164,
            "dport": 5355,
            "sport": 53848
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 4330,
            "time": 1.0705151557922363,
            "dport": 5355,
            "sport": 54255
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 4658,
            "time": -0.07254385948181152,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 4986,
            "time": 1.0867221355438232,
            "dport": 1900,
            "sport": 1900
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 12444,
            "time": 1.0871009826660156,
            "dport": 3702,
            "sport": 49152
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 16636,
            "time": 3.1561391353607178,
            "dport": 1900,
            "sport": 54258
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "ed93b036822107235dcd503f0315fba1bc7ea87434e5d2328ecb99e576f3c1f5",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "70fc4755411382aa1b2904fb1c3a13e56d39e09a6a4e8a7b8e49aeb2a7a5e83e",
    "irc": [],
    "https_ex": []
}

Screenshots

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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