What is 131a.exe?

131a.exe is usually located in the 'c:\downloads\' folder.

Some of the anti-virus scanners at VirusTotal detected 131a.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.

Vendor and version information [?]

The following is the available information on 131a.exe:

PropertyValue
Internal namehokoreyeve.exe
Legal copyrightCopyright (C) 2018, pumuluyeri
Product version2.9.0.72
File version2.9.0.72

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

Internal namehokoreyeve.exe
Legal copyrightCopyright (C) 2018, pumuluyeri
Product version2.9.0.72
File version2.9.0.72

Digital signatures [?]

131a.exe is not signed.

VirusTotal report

49 of the 66 anti-virus programs at VirusTotal detected the 131a.exe file. That's a 74% detection rate.

ScannerDetection Name
Acronis suspicious
Ad-Aware Trojan.GenericKD.40841054
AegisLab Trojan.Win32.Chapak.4!c
AhnLab-V3 Trojan/Win32.MalCrypted.R249257
ALYac Trojan.GenericKD.40841054
Antiy-AVL Trojan/Win32.Chapak
Arcabit Trojan.Generic.D26F2F5E
Avast Win32:Trojan-gen
AVG Win32:Trojan-gen
Avira TR/Crypt.Agent.yedfn
BitDefender Trojan.GenericKD.40841054
CAT-QuickHeal Trojan.Tiggre
ClamAV Win.Packed.Gandcrab-6846115-0
Comodo Malware@#rsn3gcso9vge
CrowdStrike win/malicious_confidence_80% (W)
Cybereason malicious.45dde2
Cyren W32/Trojan.KQEL-2795
DrWeb Trojan.Ssebot.2
Emsisoft Trojan.GenericKD.40841054 (B)
Endgame malicious (high confidence)
ESET-NOD32 a variant of Win32/Kryptik.GNWQ
F-Secure Trojan.TR/Crypt.Agent.yedfn
Fortinet W32/GenKryptik.CUPF!tr
GData Trojan.GenericKD.40841054
Ikarus Trojan.GoCloudnet
Jiangmin Trojan.Propagate.oh
K7AntiVirus Trojan ( 00543e471 )
K7GW Trojan ( 00543e471 )
Kaspersky HEUR:Trojan.Win32.Generic
Malwarebytes Trojan.MalPack
McAfee Packed-FPJ!54D0E2C45DDE
McAfee-GW-Edition Packed-FPJ!54D0E2C45DDE
Microsoft Trojan:Win32/Occamy.C
MicroWorld-eScan Trojan.GenericKD.40841054
NANO-Antivirus Trojan.Win32.Chapak.fljltp
Paloalto generic.ml
Panda Trj/Genetic.gen
Qihoo-360 Win32/Trojan.f26
Rising Malware.Obscure/Heur!1.9E03 (CLOUD)
SentinelOne DFI - Suspicious PE
Sophos Mal/Generic-S
SUPERAntiSpyware Trojan.Agent/Gen-Kryptik
Tencent Win32.Trojan.Generic.Sxem
Trapmine malicious.high.ml.score
TrendMicro-HouseCall TrojanSpy.Win32.FAREIT.SMKC.hp
VBA32 BScope.Trojan.Chapak
Yandex Trojan.Chapak!
Zillya Trojan.Chapak.Win32.48741
ZoneAlarm HEUR:Trojan.Win32.Generic
49 of the 66 anti-virus programs detected the 131a.exe file.

Sandbox Report

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

Summary

Successfully executed process in sandbox.

Summary

{
    "regkey_read": [
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
    ],
    "dll_loaded": [
        "kernel32.dll"
    ]
}

Generic

[
    {
        "process_path": "C:\\Windows\\System32\\lsass.exe",
        "process_name": "lsass.exe",
        "pid": 476,
        "summary": {},
        "first_seen": 1595469185.328125,
        "ppid": 376
    },
    {
        "process_path": "C:\\Users\\cuck\\AppData\\Local\\Temp\\eb5b9e04efc873885372ffa2468b9b5fbfe01b600b614e583c3dd7e12f5bad7f.bin",
        "process_name": "eb5b9e04efc873885372ffa2468b9b5fbfe01b600b614e583c3dd7e12f5bad7f.bin",
        "pid": 2660,
        "summary": {
            "regkey_read": [
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
            ],
            "dll_loaded": [
                "kernel32.dll"
            ]
        },
        "first_seen": 1595469185.578125,
        "ppid": 1624
    }
]

Signatures

[
    {
        "markcount": 2,
        "families": [],
        "description": "The executable contains unknown PE section names indicative of a packer (could be a false positive)",
        "severity": 1,
        "marks": [
            {
                "category": "section",
                "ioc": ".mysec4",
                "type": "ioc",
                "description": null
            },
            {
                "category": "section",
                "ioc": ".mysec",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "pe_features"
    },
    {
        "markcount": 3,
        "families": [],
        "description": "The file contains an unknown PE resource name possibly indicative of a packer",
        "severity": 1,
        "marks": [
            {
                "category": "resource name",
                "ioc": "CU",
                "type": "ioc",
                "description": null
            },
            {
                "category": "resource name",
                "ioc": "MIYOBEWIJAYEROSOROREROJUFEBU",
                "type": "ioc",
                "description": null
            },
            {
                "category": "resource name",
                "ioc": "TALASU",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "pe_unknown_resource_name"
    },
    {
        "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": 2660,
                        "stack_dep_bypass": 0,
                        "stack_pivoted": 0,
                        "heap_dep_bypass": 1,
                        "length": 864256,
                        "protection": 64,
                        "process_handle": "0xffffffff",
                        "base_address": "0x01f80000"
                    },
                    "time": 1595469226.828125,
                    "tid": 2308,
                    "flags": {
                        "protection": "PAGE_EXECUTE_READWRITE"
                    }
                },
                "pid": 2660,
                "type": "call",
                "cid": 608726
            }
        ],
        "references": [],
        "name": "allocates_rwx"
    },
    {
        "markcount": 14,
        "families": [],
        "description": "Foreign language identified in PE resource",
        "severity": 2,
        "marks": [
            {
                "name": "CU",
                "language": "LANG_SERBIAN",
                "offset": "0x0014c3f0",
                "filetype": "ASCII text, with very long lines, with no line terminators",
                "sublanguage": "SUBLANG_DEFAULT",
                "type": "generic",
                "size": "0x000002d4"
            },
            {
                "name": "MIYOBEWIJAYEROSOROREROJUFEBU",
                "language": "LANG_SERBIAN",
                "offset": "0x0014c6c4",
                "filetype": "ASCII text, with no line terminators",
                "sublanguage": "SUBLANG_DEFAULT",
                "type": "generic",
                "size": "0x00000070"
            },
            {
                "name": "TALASU",
                "language": "LANG_SERBIAN",
                "offset": "0x0014c734",
                "filetype": "ASCII text, with no line terminators",
                "sublanguage": "SUBLANG_DEFAULT",
                "type": "generic",
                "size": "0x00000100"
            },
            {
                "name": "RT_ICON",
                "language": "LANG_SERBIAN",
                "offset": "0x00152b8c",
                "filetype": "GLS_BINARY_LSB_FIRST",
                "sublanguage": "SUBLANG_DEFAULT",
                "type": "generic",
                "size": "0x00000468"
            },
            {
                "name": "RT_ICON",
                "language": "LANG_SERBIAN",
                "offset": "0x00152b8c",
                "filetype": "GLS_BINARY_LSB_FIRST",
                "sublanguage": "SUBLANG_DEFAULT",
                "type": "generic",
                "size": "0x00000468"
            },
            {
                "name": "RT_ICON",
                "language": "LANG_SERBIAN",
                "offset": "0x00152b8c",
                "filetype": "GLS_BINARY_LSB_FIRST",
                "sublanguage": "SUBLANG_DEFAULT",
                "type": "generic",
                "size": "0x00000468"
            },
            {
                "name": "RT_ICON",
                "language": "LANG_SERBIAN",
                "offset": "0x00152b8c",
                "filetype": "GLS_BINARY_LSB_FIRST",
                "sublanguage": "SUBLANG_DEFAULT",
                "type": "generic",
                "size": "0x00000468"
            },
            {
                "name": "RT_ICON",
                "language": "LANG_SERBIAN",
                "offset": "0x00152b8c",
                "filetype": "GLS_BINARY_LSB_FIRST",
                "sublanguage": "SUBLANG_DEFAULT",
                "type": "generic",
                "size": "0x00000468"
            },
            {
                "name": "RT_ICON",
                "language": "LANG_SERBIAN",
                "offset": "0x00152b8c",
                "filetype": "GLS_BINARY_LSB_FIRST",
                "sublanguage": "SUBLANG_DEFAULT",
                "type": "generic",
                "size": "0x00000468"
            },
            {
                "name": "RT_ICON",
                "language": "LANG_SERBIAN",
                "offset": "0x00152b8c",
                "filetype": "GLS_BINARY_LSB_FIRST",
                "sublanguage": "SUBLANG_DEFAULT",
                "type": "generic",
                "size": "0x00000468"
            },
            {
                "name": "RT_ICON",
                "language": "LANG_SERBIAN",
                "offset": "0x00152b8c",
                "filetype": "GLS_BINARY_LSB_FIRST",
                "sublanguage": "SUBLANG_DEFAULT",
                "type": "generic",
                "size": "0x00000468"
            },
            {
                "name": "RT_STRING",
                "language": "LANG_SERBIAN",
                "offset": "0x00152ff4",
                "filetype": "data",
                "sublanguage": "SUBLANG_DEFAULT",
                "type": "generic",
                "size": "0x0000040c"
            },
            {
                "name": "RT_GROUP_ICON",
                "language": "LANG_SERBIAN",
                "offset": "0x00153400",
                "filetype": "MS Windows icon resource - 8 icons, 48x48",
                "sublanguage": "SUBLANG_DEFAULT",
                "type": "generic",
                "size": "0x00000076"
            },
            {
                "name": "RT_VERSION",
                "language": "LANG_SERBIAN",
                "offset": "0x00153478",
                "filetype": "data",
                "sublanguage": "SUBLANG_DEFAULT",
                "type": "generic",
                "size": "0x000001ec"
            }
        ],
        "references": [],
        "name": "origin_langid"
    }
]

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": 6.196746110916138,
            "dport": 137,
            "sport": 137
        },
        {
            "src": "192.168.56.101",
            "dst": "192.168.56.255",
            "offset": 5342,
            "time": 12.195369958877563,
            "dport": 138,
            "sport": 138
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 7186,
            "time": 6.143640041351318,
            "dport": 5355,
            "sport": 51001
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 7514,
            "time": 4.169770956039429,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 7842,
            "time": 6.15886116027832,
            "dport": 5355,
            "sport": 53848
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 8170,
            "time": 4.805797100067139,
            "dport": 5355,
            "sport": 54255
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 8498,
            "time": 3.0194880962371826,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 8826,
            "time": 4.681128978729248,
            "dport": 1900,
            "sport": 1900
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 28236,
            "time": 4.192162990570068,
            "dport": 3702,
            "sport": 49152
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 36620,
            "time": 6.258350133895874,
            "dport": 1900,
            "sport": 53598
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "3afee13b7cd385f909d021ba60a2950d3e68ad1791060367771ef7863499b083",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "0f34d8a0e03d9e3764876c03819449526b8510b7b69dad0e08406ff810b00438",
    "irc": [],
    "https_ex": []
}

Screenshots

Screenshot from the sandbox

131a.exe removal instructions

The instructions below shows how to remove 131a.exe with help from the FreeFixer removal tool. Basically, you install FreeFixer, scan your computer, check the 131a.exe file for removal, restart your computer and scan it again to verify that 131a.exe has been successfully removed. Here are the removal instructions in more detail:

  1. Download and install FreeFixer: http://www.freefixer.com/download.html
  2. Start FreeFixer and press the Start Scan button. The scan will finish in approximately five minutes.
    Screenshot of Start Scan button
  3. When the scan is finished, locate 131a.exe in the scan result and tick the checkbox next to the 131a.exe file. Do not check any other file for removal unless you are 100% sure you want to delete it. Tip: Press CTRL-F to open up FreeFixer's search dialog to quickly locate 131a.exe in the scan result.
    Red arrow point on the unwanted file
    c:\downloads\131a.exe
  4. Scroll down to the bottom of the scan result and press the Fix button. FreeFixer will now delete the 131a.exe file.
    Screenshot of Fix button
  5. Restart your computer.
  6. Start FreeFixer and scan your computer again. If 131a.exe still remains in the scan result, proceed with the next step. If 131a.exe is gone from the scan result you're done.
  7. If 131a.exe still remains in the scan result, check its checkbox again in the scan result and click Fix.
  8. Restart your computer.
  9. Start FreeFixer and scan your computer again. Verify that 131a.exe no longer appear in the scan result.
Please select the option that best describe your thoughts on the removal instructions given above








Free Questionnaires

Hashes [?]

PropertyValue
MD554d0e2c45dde2e0dc517b64f5ca9ac6e
SHA256eb5b9e04efc873885372ffa2468b9b5fbfe01b600b614e583c3dd7e12f5bad7f

Error Messages

These are some of the error messages that can appear related to 131a.exe:

131a.exe has encountered a problem and needs to close. We are sorry for the inconvenience.

131a.exe - Application Error. The instruction at "0xXXXXXXXX" referenced memory at "0xXXXXXXXX". The memory could not be "read/written". Click on OK to terminate the program.

131a.exe has stopped working.

End Program - 131a.exe. This program is not responding.

131a.exe is not a valid Win32 application.

131a.exe - Application Error. The application failed to initialize properly (0xXXXXXXXX). Click OK to terminate the application.

What will you do with 131a.exe?

To help other users, please let us know what you will do with 131a.exe:



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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