What is tsef.exe?

tsef.exe is developed by GXS Feet according to the tsef.exe version information.

tsef.exe's description is "Human Plain"

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

Some of the anti-virus scanners at VirusTotal detected tsef.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.

VirusTotal report

43 of the 65 anti-virus programs at VirusTotal detected the tsef.exe file. That's a 66% detection rate.

Scanner	Detection Name
Acronis	suspicious
Ad-Aware	Trojan.GenericKD.30542318
AhnLab-V3	Trojan/Win32.Cu.C2458641
ALYac	Trojan.GenericKD.30542318
Arcabit	Trojan.Generic.D1D209EE
Avast	Win32:Dropper-gen [Drp]
AVG	Win32:Dropper-gen [Drp]
Avira	TR/Wigon.P
BitDefender	Trojan.GenericKD.30542318
CAT-QuickHeal	Trojan.IGENERIC
Comodo	Malware@#24ii1nfkujrwe
CrowdStrike	win/malicious_confidence_60% (W)
Cybereason	malicious.b8d192
Cyren	W32/Cutwail.BGDQ-0793
DrWeb	BackDoor.Bulknet.739
Emsisoft	Trojan.GenericKD.30542318 (B)
ESET-NOD32	Win32/Wigon.PR
F-Secure	Trojan.TR/Wigon.P
Fortinet	W32/Wigon.PR!tr
GData	Win32.Trojan-Dropper.Cutwail.TQ4YQG
Ikarus	Trojan.SuspectCRC
K7AntiVirus	Trojan ( 0052ce3f1 )
K7GW	Trojan ( 0052ce3f1 )
Kaspersky	Trojan-Downloader.Win32.Cutwail.wbp
McAfee	Generic.ayp
McAfee-GW-Edition	BehavesLike.Win32.Emotet.hm
Microsoft	Trojan:Win32/Skeeyah.A!bit
MicroWorld-eScan	Trojan.GenericKD.30542318
NANO-Antivirus	Trojan.Win32.Cutwail.fakiww
Paloalto	generic.ml
Panda	Trj/WLT.D
Qihoo-360	Win32/Trojan.Downloader.d76
Rising	Downloader.Cutwail!8.670 (CLOUD)
SentinelOne	DFI - Malicious PE
Sophos	Troj/Emogen-ER
Tencent	Win32.Trojan-downloader.Cutwail.Dyqo
TrendMicro-HouseCall	TROJ_CUTWAIL.USWC
VBA32	BScope.Trojan.Razy
ViRobot	Trojan.Win32.Agent.549120
Yandex	Trojan.DL.Cutwail!c4U9vR9BFWM
Zillya	Downloader.Cutwail.Win32.270
ZoneAlarm	Trojan-Downloader.Win32.Cutwail.wbp
Zoner	Trojan.Win32.67698

Sandbox Report

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

Summary

Successfully executed process in sandbox.

Dropped

[
    {
        "yara": [],
        "sha1": "ee0510ab307ba02f2cb63461e3727ea02c59bdb2",
        "name": "34d21c8832b5c0b3_c5d8393293ce2ba62f117b2c2d55bc3e_cb9d2ec8-77ae-49e5-9fec-16d9ea7fa00c",
        "filepath": "C:\\Users\\cuck\\AppData\\Roaming\\Microsoft\\Crypto\\RSA\\S-1-5-21-699399860-4089948139-3198924279-1001\\c5d8393293ce2ba62f117b2c2d55bc3e_cb9d2ec8-77ae-49e5-9fec-16d9ea7fa00c",
        "type": "data",
        "sha256": "34d21c8832b5c0b310da9b0d51bdf61080a491f286e29d410b986a7768dbef62",
        "urls": [],
        "crc32": "09D02FF1",
        "path": "\/home\/hpuser\/.cuckoo\/storage\/analyses\/8860\/files\/34d21c8832b5c0b3_c5d8393293ce2ba62f117b2c2d55bc3e_cb9d2ec8-77ae-49e5-9fec-16d9ea7fa00c",
        "ssdeep": null,
        "size": 1446,
        "sha512": "e07098641730d0b0790ccfff59b00d387f79f9ee0c994c79d118f7479a22657f841529520e475e519afa8b9fdc0ec915ee2bd4fc370fa9fc6cfba716286461e4",
        "pids": [
            2800
        ],
        "md5": "abd9ef60d792b3c142a35d9b55e02a51"
    }
]

Generic

[
    {
        "process_path": "C:\\Windows\\System32\\lsass.exe",
        "process_name": "lsass.exe",
        "pid": 476,
        "summary": {},
        "first_seen": 1597143187.34375,
        "ppid": 376
    }
]

Signatures

[
    {
        "markcount": 1,
        "families": [],
        "description": "This executable has a PDB path",
        "severity": 1,
        "marks": [
            {
                "category": "pdb_path",
                "ioc": "c:\\road\\king\\Add\\Speak\\Word\\Populate\\picture\\UsSlow.pdb",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "has_pdb"
    },
    {
        "markcount": 1,
        "families": [],
        "description": "The executable contains unknown PE section names indicative of a packer (could be a false positive)",
        "severity": 1,
        "marks": [
            {
                "category": "section",
                "ioc": ".gfids",
                "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": "ORGANS",
                "type": "ioc",
                "description": null
            },
            {
                "category": "resource name",
                "ioc": "SAY",
                "type": "ioc",
                "description": null
            },
            {
                "category": "resource name",
                "ioc": "SECOND",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "pe_unknown_resource_name"
    }
]

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": 3.126312017440796,
            "dport": 137,
            "sport": 137
        },
        {
            "src": "192.168.56.101",
            "dst": "192.168.56.255",
            "offset": 108258,
            "time": 15.579231977462769,
            "dport": 138,
            "sport": 138
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 110102,
            "time": 3.034048080444336,
            "dport": 5355,
            "sport": 51001
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 110430,
            "time": 1.0128819942474365,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 110758,
            "time": 3.078933000564575,
            "dport": 5355,
            "sport": 53848
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 111086,
            "time": 1.518996000289917,
            "dport": 5355,
            "sport": 54255
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 111414,
            "time": -0.09752082824707031,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 111742,
            "time": 60.91230010986328,
            "dport": 5355,
            "sport": 55880
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 112062,
            "time": 1.5317950248718262,
            "dport": 1900,
            "sport": 1900
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 131472,
            "time": 1.044175148010254,
            "dport": 3702,
            "sport": 49152
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 139856,
            "time": 3.1280391216278076,
            "dport": 1900,
            "sport": 53598
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "db4d187dfef1234bf26a442c04d7118e898c83fd4a8017f71d57fd83fa9f6205",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "c9beea942b1c018ed81203f65330295734b6d3c1829b4aebde6285b5e4e54120",
    "irc": [],
    "https_ex": []
}

Screenshots

tsef.exe removal instructions

The instructions below shows how to remove tsef.exe with help from the FreeFixer removal tool. Basically, you install FreeFixer, scan your computer, check the tsef.exe file for removal, restart your computer and scan it again to verify that tsef.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.

   
3. When the scan is finished, locate tsef.exe in the scan result and tick the checkbox next to the tsef.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 tsef.exe in the scan result.

   

   

   c:\downloads\tsef.exe

   
4. Scroll down to the bottom of the scan result and press the Fix button. FreeFixer will now delete the tsef.exe file.

   
5. Restart your computer.
6. Start FreeFixer and scan your computer again. If tsef.exe still remains in the scan result, proceed with the next step. If tsef.exe is gone from the scan result you're done.
7. If tsef.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 tsef.exe no longer appear in the scan result.

Error Messages

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