What is TBTCS.exe?

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

None of the anti-virus scanners at VirusTotal reports anything malicious about TBTCS.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 TBTCS.exe:

PropertyValue
Product version1.0.0.0
File version1.0.0.11

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

Product version1.0.0.0
File version1.0.0.11

Digital signatures [?]

TBTCS.exe is not signed.

VirusTotal report

None of the 71 anti-virus programs at VirusTotal detected the TBTCS.exe file.

None of the 71 anti-virus programs detected the TBTCS.exe file.

Sandbox Report

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

Summary

Successfully executed process in sandbox.

Summary

{
    "file_opened": [
        "C:\\Windows\\Globalization\\Sorting\\sortdefault.nls"
    ],
    "file_exists": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\Test.ini"
    ],
    "regkey_opened": [
        "HKEY_CURRENT_USER\\Software\\Borland\\Delphi\\Locales",
        "HKEY_LOCAL_MACHINE\\Software\\Borland\\Locales",
        "HKEY_CURRENT_USER\\Software\\Borland\\Locales"
    ],
    "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": [
        "dwmapi.dll",
        "kernel32.dll"
    ]
}

Generic

[
    {
        "process_path": "C:\\Windows\\System32\\lsass.exe",
        "process_name": "lsass.exe",
        "pid": 476,
        "summary": {},
        "first_seen": 1568163190.3281,
        "ppid": 376
    },
    {
        "process_path": "C:\\Users\\cuck\\AppData\\Local\\Temp\\97804bba0cd335bbfd8feab5cf65a958efbe12be8722cfa0d16b0f8efe3f5662.bin",
        "process_name": "97804bba0cd335bbfd8feab5cf65a958efbe12be8722cfa0d16b0f8efe3f5662.bin",
        "pid": 2436,
        "summary": {
            "file_opened": [
                "C:\\Windows\\Globalization\\Sorting\\sortdefault.nls"
            ],
            "file_exists": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\Test.ini"
            ],
            "regkey_opened": [
                "HKEY_CURRENT_USER\\Software\\Borland\\Delphi\\Locales",
                "HKEY_LOCAL_MACHINE\\Software\\Borland\\Locales",
                "HKEY_CURRENT_USER\\Software\\Borland\\Locales"
            ],
            "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": [
                "dwmapi.dll",
                "kernel32.dll"
            ]
        },
        "first_seen": 1568163190.8125,
        "ppid": 2736
    }
]

Signatures

[
    {
        "markcount": 3,
        "families": [],
        "description": "The executable contains unknown PE section names indicative of a packer (could be a false positive)",
        "severity": 1,
        "marks": [
            {
                "category": "section",
                "ioc": "CODE",
                "type": "ioc",
                "description": null
            },
            {
                "category": "section",
                "ioc": "DATA",
                "type": "ioc",
                "description": null
            },
            {
                "category": "section",
                "ioc": "BSS",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "pe_features"
    },
    {
        "markcount": 29,
        "families": [],
        "description": "Allocates read-write-execute memory (usually to unpack itself)",
        "severity": 2,
        "marks": [
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                        "heap_dep_bypass": 0,
                        "protection": 64,
                        "process_handle": "0xffffffff",
                        "allocation_type": 4096,
                        "base_address": "0x003d0000"
                    },
                    "time": 1568163190.9375,
                    "tid": 2124,
                    "flags": {
                        "protection": "PAGE_EXECUTE_READWRITE",
                        "allocation_type": "MEM_COMMIT"
                    }
                },
                "pid": 2436,
                "type": "call",
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            },
            {
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                        "heap_dep_bypass": 0,
                        "length": 4096,
                        "protection": 64,
                        "process_handle": "0xffffffff",
                        "base_address": "0x00404000"
                    },
                    "time": 1568163190.9375,
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                    "arguments": {
                        "process_identifier": 2436,
                        "stack_dep_bypass": 0,
                        "stack_pivoted": 0,
                        "heap_dep_bypass": 0,
                        "length": 4096,
                        "protection": 64,
                        "process_handle": "0xffffffff",
                        "base_address": "0x00405000"
                    },
                    "time": 1568163190.9535,
                    "tid": 2124,
                    "flags": {
                        "protection": "PAGE_EXECUTE_READWRITE"
                    }
                },
                "pid": 2436,
                "type": "call",
                "cid": 289
            },
            {
                "call": {
                    "category": "process",
                    "status": 1,
                    "stacktrace": [],
                    "api": "NtProtectVirtualMemory",
                    "return_value": 0,
                    "arguments": {
                        "process_identifier": 2436,
                        "stack_dep_bypass": 0,
                        "stack_pivoted": 0,
                        "heap_dep_bypass": 0,
                        "length": 4096,
                        "protection": 64,
                        "process_handle": "0xffffffff",
                        "base_address": "0x00405000"
                    },
                    "time": 1568163190.9535,
                    "tid": 2124,
                    "flags": {
                        "protection": "PAGE_EXECUTE_READWRITE"
                    }
                },
                "pid": 2436,
                "type": "call",
                "cid": 291
            }
        ],
        "references": [],
        "name": "allocates_rwx"
    },
    {
        "markcount": 3,
        "families": [],
        "description": "Foreign language identified in PE resource",
        "severity": 2,
        "marks": [
            {
                "name": "RT_ICON",
                "language": "LANG_KOREAN",
                "offset": "0x000706ec",
                "filetype": "data",
                "sublanguage": "SUBLANG_KOREAN",
                "type": "generic",
                "size": "0x000002e8"
            },
            {
                "name": "RT_GROUP_ICON",
                "language": "LANG_KOREAN",
                "offset": "0x00073a5c",
                "filetype": "MS Windows icon resource - 1 icon, 32x32, 16 colors",
                "sublanguage": "SUBLANG_KOREAN",
                "type": "generic",
                "size": "0x00000014"
            },
            {
                "name": "RT_VERSION",
                "language": "LANG_KOREAN",
                "offset": "0x00073a70",
                "filetype": "data",
                "sublanguage": "SUBLANG_KOREAN",
                "type": "generic",
                "size": "0x00000278"
            }
        ],
        "references": [],
        "name": "origin_langid"
    },
    {
        "markcount": 4,
        "families": [],
        "description": "Searches running processes potentially to identify processes for sandbox evasion, code injection or memory dumping",
        "severity": 2,
        "marks": [
            {
                "call": {
                    "category": "process",
                    "status": 1,
                    "stacktrace": [],
                    "api": "Process32NextW",
                    "return_value": 1,
                    "arguments": {
                        "process_name": "python.exe",
                        "snapshot_handle": "0x000000cc",
                        "process_identifier": 284
                    },
                    "time": 1568163190.9535,
                    "tid": 2124,
                    "flags": {}
                },
                "pid": 2436,
                "type": "call",
                "cid": 354
            },
            {
                "call": {
                    "category": "process",
                    "status": 1,
                    "stacktrace": [],
                    "api": "Process32NextW",
                    "return_value": 1,
                    "arguments": {
                        "process_name": "taskhost.exe",
                        "snapshot_handle": "0x000000cc",
                        "process_identifier": 2716
                    },
                    "time": 1568163190.9535,
                    "tid": 2124,
                    "flags": {}
                },
                "pid": 2436,
                "type": "call",
                "cid": 355
            },
            {
                "call": {
                    "category": "process",
                    "status": 1,
                    "stacktrace": [],
                    "api": "Process32NextW",
                    "return_value": 1,
                    "arguments": {
                        "process_name": "SearchFilterHost.exe",
                        "snapshot_handle": "0x000000cc",
                        "process_identifier": 3040
                    },
                    "time": 1568163190.9535,
                    "tid": 2124,
                    "flags": {}
                },
                "pid": 2436,
                "type": "call",
                "cid": 357
            },
            {
                "call": {
                    "category": "process",
                    "status": 0,
                    "stacktrace": [],
                    "last_error": 18,
                    "nt_status": -1073741772,
                    "api": "Process32NextW",
                    "return_value": 0,
                    "arguments": {
                        "process_name": "",
                        "snapshot_handle": "0x000000cc",
                        "process_identifier": 1637332
                    },
                    "time": 1568163190.9535,
                    "tid": 2124,
                    "flags": {}
                },
                "pid": 2436,
                "type": "call",
                "cid": 359
            }
        ],
        "references": [],
        "name": "injection_process_search"
    }
]

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": 6.2199499607086,
            "dport": 137,
            "sport": 137
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 2134,
            "time": 6.175409078598,
            "dport": 5355,
            "sport": 51001
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 2462,
            "time": 4.1571669578552,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 2790,
            "time": 6.1858398914337,
            "dport": 5355,
            "sport": 53848
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 3118,
            "time": 4.6603109836578,
            "dport": 5355,
            "sport": 54255
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 3446,
            "time": 3.0538868904114,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 3774,
            "time": 4.2347979545593,
            "dport": 1900,
            "sport": 1900
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 9152,
            "time": 4.1784460544586,
            "dport": 3702,
            "sport": 49152
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 13344,
            "time": 6.266853094101,
            "dport": 1900,
            "sport": 53598
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "72264c0d5fc04c193663af0f7ccb7ed8866eff78112dd12accb38d445342b936",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "95831375e5e482a4263c6a1800a647435a0f89c032bf592017742106c97274cb",
    "irc": [],
    "https_ex": []
}

Screenshots

Screenshot from the sandbox

Hashes [?]

PropertyValue
MD5f776a350a13d24614daffc7b4c9d1148
SHA25697804bba0cd335bbfd8feab5cf65a958efbe12be8722cfa0d16b0f8efe3f5662

Error Messages

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

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

tbtcs.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.

tbtcs.exe has stopped working.

End Program - tbtcs.exe. This program is not responding.

tbtcs.exe is not a valid Win32 application.

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

What will you do with TBTCS.exe?

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



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.

Please select the option that best describe your thoughts on the information provided on this web page


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And now some shameless self promotion ;)

A screenshot of FreeFixer's scan result.Hi, my name is Roger Karlsson. I've been running this website since 2006. I want to let you know about the FreeFixer program. FreeFixer is a freeware tool that analyzes your system and let you manually identify unwanted programs. Once you've identified some malware files, FreeFixer is pretty good at removing them. You can download FreeFixer here. It runs on Windows 2000/XP/2003/2008/2016/2019/Vista/7/8/8.1/10. Supports both 32- and 64-bit Windows.

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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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