What is stup.exe?

stup.exe is part of STUp and developed by (?)???? according to the stup.exe version information.

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

Some of the anti-virus scanners at VirusTotal detected stup.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 stup.exe:

Property	Value
Product name	STUp
Company name	(?)????
Internal name	STUp
Original filename	STUp.exe
Product version	11.00.0037
File version	11.00.0037

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

Product name	STUp
Company name	(?)????
Internal name	STUp
Original filename	STUp.exe
Product version	11.00.0037
File version	11.00.0037

Digital signatures [?]

stup.exe is not signed.

VirusTotal report

2 of the 71 anti-virus programs at VirusTotal detected the stup.exe file. That's a 3% detection rate.

Scanner	Detection Name
CrowdStrike	win/malicious_confidence_80% (W)
DrWeb	BACKDOOR.Trojan

2 of the 71 anti-virus programs detected the stup.exe file.

Sandbox Report

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

Summary

Successfully executed process in sandbox.

Summary

{
    "file_created": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\~DF93E08DCCA6416503.TMP"
    ],
    "dll_loaded": [
        "C:\\Windows\\system32\\~",
        "C:\\Windows\\system32\\vb6ko.dll",
        "SXS.DLL",
        "C:\\Windows\\syswow64\\MSCTF.dll",
        "UxTheme.dll",
        "OLEAUT32.DLL",
        "C:\\Windows\\system32\\ole32.dll",
        "dwmapi.dll",
        "comctl32",
        "CRYPTSP.dll",
        "USER32.DLL"
    ],
    "file_failed": [
        "C:\\Windows\\WINHELP.INI"
    ],
    "regkey_opened": [
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\{8613E14C-D0C0-4161-AC0F-1DD2563286BC}\\Category\\Category\\{534C48C1-0607-4098-A521-4FC899C73E90}",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\VBA\\Monitors",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Windows\\Help",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\{0000897b-83df-4b96-be07-0fb58b01c4a4}\\Category\\Category\\{534C48C1-0607-4098-A521-4FC899C73E90}",
        "HKEY_LOCAL_MACHINE\\Software\\Microsoft\\CTF\\TIP\\{0000897b-83df-4b96-be07-0fb58b01c4a4}\\LanguageProfile\\0x00000000\\{0001bea3-ed56-483d-a2e2-aeae25577436}",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\{F25E9F57-2FC8-4EB3-A41A-CCE5F08541E6}\\Category\\Category\\{534C48C1-0607-4098-A521-4FC899C73E90}",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\{07EB03D6-B001-41DF-9192-BF9B841EE71F}\\Category\\Category\\{534C48C1-0607-4098-A521-4FC899C73E90}",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\KnownClasses",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\{AE6BE008-07FB-400D-8BEB-337A64F7051F}\\Category\\Category\\{534C48C1-0607-4098-A521-4FC899C73E90}",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\{C1EE01F2-B3B6-4A6A-9DDD-E988C088EC82}\\Category\\Category\\{534C48C1-0607-4098-A521-4FC899C73E90}",
        "HKEY_CURRENT_USER\\Software\\Microsoft\\CTF\\DirectSwitchHotkeys",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\Compatibility\\6811895e035e6d0a4ef484ee0d11edc9d8d4b94defd4f3a5ecd9950d8075a16c.bin",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\{E429B25A-E5D3-4D1F-9BE3-0C608477E3A1}\\Category\\Category\\{534C48C1-0607-4098-A521-4FC899C73E90}",
        "HKEY_CURRENT_USER\\Software\\Microsoft\\CTF\\LayoutIcon\\0409\\0000041d",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\{F89E9E58-BD2F-4008-9AC2-0F816C09F4EE}\\Category\\Category\\{534C48C1-0607-4098-A521-4FC899C73E90}",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\{DCBD6FA8-032F-11D3-B5B1-00C04FC324A1}\\Category\\Category\\{534C48C1-0607-4098-A521-4FC899C73E90}",
        "HKEY_LOCAL_MACHINE\\Software\\Microsoft\\Ole",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\{3697C5FA-60DD-4B56-92D4-74A569205C16}\\Category\\Category\\{534C48C1-0607-4098-A521-4FC899C73E90}",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Windows\\HTML Help",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\{531FDEBF-9B4C-4A43-A2AA-960E8FCDC732}\\Category\\Category\\{534C48C1-0607-4098-A521-4FC899C73E90}",
        "HKEY_LOCAL_MACHINE\\Software\\Microsoft\\Windows",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\{A028AE76-01B1-46C2-99C4-ACD9858AE02F}\\Category\\Category\\{534C48C1-0607-4098-A521-4FC899C73E90}",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\{81D4E9C9-1D3B-41BC-9E6C-4B40BF79E35E}\\Category\\Category\\{534C48C1-0607-4098-A521-4FC899C73E90}",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\{03B5835F-F03C-411B-9CE2-AA23E1171E36}\\Category\\Category\\{534C48C1-0607-4098-A521-4FC899C73E90}",
        "HKEY_CURRENT_USER\\Keyboard Layout\\Toggle",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\{78CB5B0E-26ED-4FCC-854C-77E8F3D1AA80}\\Category\\Category\\{534C48C1-0607-4098-A521-4FC899C73E90}"
    ],
    "file_deleted": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\~DF93E08DCCA6416503.TMP"
    ],
    "file_exists": [
        "C:\\Windows\\System32\\C_936.NLS",
        "C:\\Windows\\System32\\C_932.NLS",
        "C:\\Windows\\System32\\.HLP",
        "C:\\Windows\\System32\\C_949.NLS",
        "C:\\Windows\\Help\\.HLP",
        "C:\\Windows\\System32\\C_950.NLS"
    ],
    "guid": [
        "{00000001-0000-0000-c000-000000000046}",
        "{248dd896-bb45-11cf-9abc-0080c7e7b78d}"
    ],
    "regkey_read": [
        "HKEY_CURRENT_USER\\Keyboard Layout\\Toggle\\Language Hotkey",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\CTF\\EnableAnchorContext",
        "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Nls\\CodePage\\950",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Windows\\HTML Help\\.HLP",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\OLE\\MaximumAllowedAllocationSize",
        "HKEY_CURRENT_USER\\Keyboard Layout\\Toggle\\Layout Hotkey",
        "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Nls\\CodePage\\949",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\{0000897b-83df-4b96-be07-0fb58b01c4a4}\\LanguageProfile\\0x00000000\\{0001bea3-ed56-483d-a2e2-aeae25577436}\\Enable",
        "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Nls\\CodePage\\932",
        "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Nls\\CodePage\\936",
        "HKEY_CURRENT_USER\\Keyboard Layout\\Toggle\\Hotkey",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
    ]
}

Dropped

[
    {
        "yara": [],
        "sha1": "d2724cb973e110a3c1d4eeafc1d41e6bbc7fdf61",
        "name": "d1dc2c3945c1a58d_~DF93E08DCCA6416503.TMP",
        "filepath": "C:\\Users\\cuck\\AppData\\Local\\Temp\\~DF93E08DCCA6416503.TMP",
        "type": "Composite Document File V2 Document, Cannot read section info",
        "sha256": "d1dc2c3945c1a58d7f367e953d89ebb0cef98af6de224fee01c924eb2b400002",
        "urls": [],
        "crc32": "AA892553",
        "path": "\/home\/hpuser\/.cuckoo\/storage\/analyses\/574\/files\/d1dc2c3945c1a58d_~DF93E08DCCA6416503.TMP",
        "ssdeep": null,
        "size": 3072,
        "sha512": "fecb1e91f4681c3f8b5dc6c3fb9dbbbd0847b8133b1a77b31b86e7bc51096ce78c94f265cb62edb2709944a29b967500599828b48b56eee86b2cd006035b6290",
        "pids": [],
        "md5": "4c95a9c176e437334a8b115758d0caa9"
    }
]

Generic

[
    {
        "process_path": "C:\\Users\\cuck\\AppData\\Local\\Temp\\6811895e035e6d0a4ef484ee0d11edc9d8d4b94defd4f3a5ecd9950d8075a16c.bin",
        "process_name": "6811895e035e6d0a4ef484ee0d11edc9d8d4b94defd4f3a5ecd9950d8075a16c.bin",
        "pid": 1268,
        "summary": {
            "file_created": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\~DF93E08DCCA6416503.TMP"
            ],
            "dll_loaded": [
                "C:\\Windows\\system32\\~",
                "C:\\Windows\\system32\\vb6ko.dll",
                "SXS.DLL",
                "C:\\Windows\\syswow64\\MSCTF.dll",
                "UxTheme.dll",
                "OLEAUT32.DLL",
                "C:\\Windows\\system32\\ole32.dll",
                "dwmapi.dll",
                "comctl32",
                "CRYPTSP.dll",
                "USER32.DLL"
            ],
            "file_failed": [
                "C:\\Windows\\WINHELP.INI"
            ],
            "regkey_opened": [
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\{8613E14C-D0C0-4161-AC0F-1DD2563286BC}\\Category\\Category\\{534C48C1-0607-4098-A521-4FC899C73E90}",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\VBA\\Monitors",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Windows\\Help",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\{0000897b-83df-4b96-be07-0fb58b01c4a4}\\Category\\Category\\{534C48C1-0607-4098-A521-4FC899C73E90}",
                "HKEY_LOCAL_MACHINE\\Software\\Microsoft\\CTF\\TIP\\{0000897b-83df-4b96-be07-0fb58b01c4a4}\\LanguageProfile\\0x00000000\\{0001bea3-ed56-483d-a2e2-aeae25577436}",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\{F25E9F57-2FC8-4EB3-A41A-CCE5F08541E6}\\Category\\Category\\{534C48C1-0607-4098-A521-4FC899C73E90}",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\{07EB03D6-B001-41DF-9192-BF9B841EE71F}\\Category\\Category\\{534C48C1-0607-4098-A521-4FC899C73E90}",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\KnownClasses",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\{AE6BE008-07FB-400D-8BEB-337A64F7051F}\\Category\\Category\\{534C48C1-0607-4098-A521-4FC899C73E90}",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\{C1EE01F2-B3B6-4A6A-9DDD-E988C088EC82}\\Category\\Category\\{534C48C1-0607-4098-A521-4FC899C73E90}",
                "HKEY_CURRENT_USER\\Software\\Microsoft\\CTF\\DirectSwitchHotkeys",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\Compatibility\\6811895e035e6d0a4ef484ee0d11edc9d8d4b94defd4f3a5ecd9950d8075a16c.bin",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\{E429B25A-E5D3-4D1F-9BE3-0C608477E3A1}\\Category\\Category\\{534C48C1-0607-4098-A521-4FC899C73E90}",
                "HKEY_CURRENT_USER\\Software\\Microsoft\\CTF\\LayoutIcon\\0409\\0000041d",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\{F89E9E58-BD2F-4008-9AC2-0F816C09F4EE}\\Category\\Category\\{534C48C1-0607-4098-A521-4FC899C73E90}",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\{DCBD6FA8-032F-11D3-B5B1-00C04FC324A1}\\Category\\Category\\{534C48C1-0607-4098-A521-4FC899C73E90}",
                "HKEY_LOCAL_MACHINE\\Software\\Microsoft\\Ole",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\{3697C5FA-60DD-4B56-92D4-74A569205C16}\\Category\\Category\\{534C48C1-0607-4098-A521-4FC899C73E90}",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Windows\\HTML Help",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\{531FDEBF-9B4C-4A43-A2AA-960E8FCDC732}\\Category\\Category\\{534C48C1-0607-4098-A521-4FC899C73E90}",
                "HKEY_LOCAL_MACHINE\\Software\\Microsoft\\Windows",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\{A028AE76-01B1-46C2-99C4-ACD9858AE02F}\\Category\\Category\\{534C48C1-0607-4098-A521-4FC899C73E90}",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\{81D4E9C9-1D3B-41BC-9E6C-4B40BF79E35E}\\Category\\Category\\{534C48C1-0607-4098-A521-4FC899C73E90}",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\{03B5835F-F03C-411B-9CE2-AA23E1171E36}\\Category\\Category\\{534C48C1-0607-4098-A521-4FC899C73E90}",
                "HKEY_CURRENT_USER\\Keyboard Layout\\Toggle",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\{78CB5B0E-26ED-4FCC-854C-77E8F3D1AA80}\\Category\\Category\\{534C48C1-0607-4098-A521-4FC899C73E90}"
            ],
            "file_deleted": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\~DF93E08DCCA6416503.TMP"
            ],
            "file_exists": [
                "C:\\Windows\\System32\\C_936.NLS",
                "C:\\Windows\\System32\\C_932.NLS",
                "C:\\Windows\\System32\\.HLP",
                "C:\\Windows\\System32\\C_949.NLS",
                "C:\\Windows\\Help\\.HLP",
                "C:\\Windows\\System32\\C_950.NLS"
            ],
            "guid": [
                "{00000001-0000-0000-c000-000000000046}",
                "{248dd896-bb45-11cf-9abc-0080c7e7b78d}"
            ],
            "regkey_read": [
                "HKEY_CURRENT_USER\\Keyboard Layout\\Toggle\\Language Hotkey",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\CTF\\EnableAnchorContext",
                "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Nls\\CodePage\\950",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Windows\\HTML Help\\.HLP",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\OLE\\MaximumAllowedAllocationSize",
                "HKEY_CURRENT_USER\\Keyboard Layout\\Toggle\\Layout Hotkey",
                "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Nls\\CodePage\\949",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\{0000897b-83df-4b96-be07-0fb58b01c4a4}\\LanguageProfile\\0x00000000\\{0001bea3-ed56-483d-a2e2-aeae25577436}\\Enable",
                "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Nls\\CodePage\\932",
                "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Nls\\CodePage\\936",
                "HKEY_CURRENT_USER\\Keyboard Layout\\Toggle\\Hotkey",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
            ]
        },
        "first_seen": 1561459989.6562,
        "ppid": 2308
    },
    {
        "process_path": "C:\\Windows\\System32\\lsass.exe",
        "process_name": "lsass.exe",
        "pid": 476,
        "summary": {},
        "first_seen": 1561459989.3594,
        "ppid": 376
    }
]

Signatures

[
    {
        "markcount": 1,
        "families": [],
        "description": "Foreign language identified in PE resource",
        "severity": 2,
        "marks": [
            {
                "name": "RT_VERSION",
                "language": "LANG_KOREAN",
                "offset": "0x000660f0",
                "filetype": "data",
                "sublanguage": "SUBLANG_KOREAN",
                "type": "generic",
                "size": "0x00000214"
            }
        ],
        "references": [],
        "name": "origin_langid"
    },
    {
        "markcount": 1,
        "families": [],
        "description": "Changes read-write memory protection to read-execute (probably to avoid detection when setting all RWX flags at the same time)",
        "severity": 2,
        "marks": [
            {
                "call": {
                    "category": "process",
                    "status": 1,
                    "stacktrace": [],
                    "api": "NtProtectVirtualMemory",
                    "return_value": 0,
                    "arguments": {
                        "process_identifier": 1268,
                        "stack_dep_bypass": 0,
                        "stack_pivoted": 0,
                        "heap_dep_bypass": 1,
                        "length": 24576,
                        "protection": 32,
                        "process_handle": "0xffffffff",
                        "base_address": "0x00750000"
                    },
                    "time": 1561459989.7503,
                    "tid": 2740,
                    "flags": {
                        "protection": "PAGE_EXECUTE_READ"
                    }
                },
                "pid": 1268,
                "type": "call",
                "cid": 18
            }
        ],
        "references": [],
        "name": "protection_rx"
    }
]

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": 3.0636761188507,
            "dport": 137,
            "sport": 137
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 3346,
            "time": 3.0184121131897,
            "dport": 5355,
            "sport": 51001
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 3674,
            "time": 1.0401301383972,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 4002,
            "time": 3.0303640365601,
            "dport": 5355,
            "sport": 53848
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 4330,
            "time": 1.5497319698334,
            "dport": 5355,
            "sport": 54255
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 4658,
            "time": -0.10258197784424,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 4986,
            "time": 1.5647401809692,
            "dport": 1900,
            "sport": 1900
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 11456,
            "time": 1.0773899555206,
            "dport": 3702,
            "sport": 49152
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 15648,
            "time": 3.1721160411835,
            "dport": 1900,
            "sport": 53598
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "39cdfab671b6167ca30ed0a28b1705f2a15a1c104de620a854cb6012c1591d1e",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "c28c3a6269b7fde80f34e37ded5e252b32c6b0488c4b32bd024a6e8eaeb3de63",
    "irc": [],
    "https_ex": []
}

Screenshots

stup.exe removal instructions

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

Download and install FreeFixer: http://www.freefixer.com/download.html
Start FreeFixer and press the Start Scan button. The scan will finish in approximately five minutes.
When the scan is finished, locate stup.exe in the scan result and tick the checkbox next to the stup.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 stup.exe in the scan result.

c:\downloads\stup.exe
Scroll down to the bottom of the scan result and press the Fix button. FreeFixer will now delete the stup.exe file.
Restart your computer.
Start FreeFixer and scan your computer again. If stup.exe still remains in the scan result, proceed with the next step. If stup.exe is gone from the scan result you're done.
If stup.exe still remains in the scan result, check its checkbox again in the scan result and click Fix.
Restart your computer.
Start FreeFixer and scan your computer again. Verify that stup.exe no longer appear in the scan result.

Free Questionnaires

Hashes [?]

Property	Value
MD5	3ed54f2111a1a714e2021927e3aa1b45
SHA256	6811895e035e6d0a4ef484ee0d11edc9d8d4b94defd4f3a5ecd9950d8075a16c

Error Messages

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

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

stup.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.

stup.exe has stopped working.

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

stup.exe is not a valid Win32 application.

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

What will you do with stup.exe?

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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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What is stup.exe?

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Summary

Summary

Dropped

Generic

Signatures

Yara

Network

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stup.exe removal instructions

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Error Messages

What will you do with stup.exe?

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