What is yugo.exe?

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

Some of the anti-virus scanners at VirusTotal detected yugo.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 [?]

yugo.exe does not have any version or vendor information.

Digital signatures [?]

yugo.exe is not signed.

VirusTotal report

46 of the 62 anti-virus programs at VirusTotal detected the yugo.exe file. That's a 74% detection rate.

ScannerDetection Name
Acronis suspicious
Ad-Aware Trojan.GenericKD.31652858
AhnLab-V3 Win-Trojan/Delphiless.Exp
ALYac Trojan.GenericKD.31652858
Antiy-AVL Trojan[PSW]/Win32.Chisburg
Arcabit Trojan.Generic.D1E2FBFA
Avast Win32:Malware-gen
AVG Win32:Malware-gen
BitDefender Trojan.GenericKD.31652858
CAT-QuickHeal Trojan.Agent
ClamAV Win.Malware.Tspy-6847691-0
CrowdStrike win/malicious_confidence_100% (W)
Cybereason malicious.64b57e
Cyren W32/Trojan.XTTI-3580
DrWeb Trojan.PWS.Stealer.21154
Emsisoft Trojan.GenericKD.31652858 (B)
Endgame malicious (high confidence)
ESET-NOD32 a variant of Win32/Injector.EDJV
Fortinet W32/Agent.AJFK!tr
GData Trojan.GenericKD.31652858
Invincea heuristic
K7AntiVirus Riskware ( 0040eff71 )
K7GW Riskware ( 0040eff71 )
Kaspersky HEUR:Trojan-PSW.Win32.Chisburg.gen
Malwarebytes Trojan.Delf
MAX malware (ai score=100)
McAfee Trojan-FQIO!4C417ED64B57
McAfee-GW-Edition BehavesLike.Win32.Fareit.cc
Microsoft VirTool:Win32/CeeInject.BCG!bit
MicroWorld-eScan Trojan.GenericKD.31652858
NANO-Antivirus Trojan.Win32.Stealer.fmqmmv
Paloalto generic.ml
Panda Trj/CI.A
Qihoo-360 Win32/Trojan.PSW.63c
SentinelOne static engine - malicious
Sophos Mal/Fareit-Q
SUPERAntiSpyware Trojan.Agent/Gen-Injector
Symantec ML.Attribute.HighConfidence
Tencent Win32.Trojan-qqpass.Qqrob.Pdwb
Trapmine malicious.high.ml.score
VBA32 TScope.Trojan.Delf
ViRobot Trojan.Win32.Z.Highconfidence.870912
Webroot W32.Trojan.Gen
Yandex Trojan.Injector!zgUgESIcKlg
ZoneAlarm HEUR:Trojan-PSW.Win32.Chisburg.gen
Zoner Trojan.Win32.74672
46 of the 62 anti-virus programs detected the yugo.exe file.

Sandbox Report

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

Summary

Successfully executed process in sandbox.

Summary

{
    "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",
        "advapi32",
        "user32",
        "shell32"
    ]
}

Generic

[
    {
        "process_path": "C:\\Users\\cuck\\AppData\\Local\\Temp\\1fd0474ceb61363dd8b94f299cf87893767836ac8d4c82044c9b8197e28ff043.bin",
        "process_name": "1fd0474ceb61363dd8b94f299cf87893767836ac8d4c82044c9b8197e28ff043.bin",
        "pid": 2420,
        "summary": {
            "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",
                "advapi32",
                "user32",
                "shell32"
            ]
        },
        "first_seen": 1603277586.78125,
        "ppid": 1268
    },
    {
        "process_path": "C:\\Windows\\System32\\lsass.exe",
        "process_name": "lsass.exe",
        "pid": 476,
        "summary": {},
        "first_seen": 1603277586.328125,
        "ppid": 376
    }
]

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": 1,
        "families": [],
        "description": "The executable uses a known packer",
        "severity": 1,
        "marks": [
            {
                "category": "packer",
                "ioc": "BobSoft Mini Delphi -> BoB \/ BobSoft",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "peid_packer"
    },
    {
        "markcount": 3,
        "families": [],
        "description": "Allocates read-write-execute memory (usually to unpack itself)",
        "severity": 2,
        "marks": [
            {
                "call": {
                    "category": "process",
                    "status": 1,
                    "stacktrace": [],
                    "api": "NtAllocateVirtualMemory",
                    "return_value": 0,
                    "arguments": {
                        "process_identifier": 2420,
                        "region_size": 4096,
                        "stack_dep_bypass": 0,
                        "stack_pivoted": 0,
                        "heap_dep_bypass": 0,
                        "protection": 64,
                        "process_handle": "0xffffffff",
                        "allocation_type": 4096,
                        "base_address": "0x003d0000"
                    },
                    "time": 1603277586.90625,
                    "tid": 2460,
                    "flags": {
                        "protection": "PAGE_EXECUTE_READWRITE",
                        "allocation_type": "MEM_COMMIT"
                    }
                },
                "pid": 2420,
                "type": "call",
                "cid": 175
            },
            {
                "call": {
                    "category": "process",
                    "status": 1,
                    "stacktrace": [],
                    "api": "NtProtectVirtualMemory",
                    "return_value": 0,
                    "arguments": {
                        "process_identifier": 2420,
                        "stack_dep_bypass": 0,
                        "stack_pivoted": 0,
                        "heap_dep_bypass": 0,
                        "length": 28672,
                        "protection": 64,
                        "process_handle": "0xffffffff",
                        "base_address": "0x00485000"
                    },
                    "time": 1603277594.37525,
                    "tid": 2460,
                    "flags": {
                        "protection": "PAGE_EXECUTE_READWRITE"
                    }
                },
                "pid": 2420,
                "type": "call",
                "cid": 539
            },
            {
                "call": {
                    "category": "process",
                    "status": 1,
                    "stacktrace": [],
                    "api": "NtAllocateVirtualMemory",
                    "return_value": 0,
                    "arguments": {
                        "process_identifier": 2420,
                        "region_size": 4096,
                        "stack_dep_bypass": 0,
                        "stack_pivoted": 0,
                        "heap_dep_bypass": 0,
                        "protection": 64,
                        "process_handle": "0xffffffff",
                        "allocation_type": 12288,
                        "base_address": "0x00500000"
                    },
                    "time": 1603277594.37525,
                    "tid": 2460,
                    "flags": {
                        "protection": "PAGE_EXECUTE_READWRITE",
                        "allocation_type": "MEM_COMMIT|MEM_RESERVE"
                    }
                },
                "pid": 2420,
                "type": "call",
                "cid": 544
            }
        ],
        "references": [],
        "name": "allocates_rwx"
    },
    {
        "markcount": 1,
        "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": "mobsync.exe",
                        "snapshot_handle": "0x000000f8",
                        "process_identifier": 1584
                    },
                    "time": 1603277594.75025,
                    "tid": 2460,
                    "flags": {}
                },
                "pid": 2420,
                "type": "call",
                "cid": 581
            }
        ],
        "references": [],
        "name": "injection_process_search"
    },
    {
        "markcount": 2,
        "families": [],
        "description": "The binary likely contains encrypted or compressed data indicative of a packer",
        "severity": 2,
        "marks": [
            {
                "entropy": 7.190724392962775,
                "section": {
                    "size_of_data": "0x0003b000",
                    "virtual_address": "0x0009f000",
                    "entropy": 7.190724392962775,
                    "name": ".rsrc",
                    "virtual_size": "0x0003ae58"
                },
                "type": "generic",
                "description": "A section with a high entropy has been found"
            },
            {
                "entropy": 0.2779740871613663,
                "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": 1,
        "families": [],
        "description": "Expresses interest in specific running processes",
        "severity": 2,
        "marks": [
            {
                "category": "process",
                "ioc": "1fd0474ceb61363dd8b94f299cf87893767836ac8d4c82044c9b8197e28ff043.bin",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "process_interest"
    }
]

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": 3.083688974380493,
            "dport": 137,
            "sport": 137
        },
        {
            "src": "192.168.56.101",
            "dst": "192.168.56.255",
            "offset": 5226,
            "time": 9.078634023666382,
            "dport": 138,
            "sport": 138
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 7070,
            "time": 3.0175490379333496,
            "dport": 5355,
            "sport": 51001
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 7398,
            "time": 1.0386760234832764,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 7726,
            "time": 3.026373863220215,
            "dport": 5355,
            "sport": 53848
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 8054,
            "time": 1.5335068702697754,
            "dport": 5355,
            "sport": 54255
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 8382,
            "time": -0.07738804817199707,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 8710,
            "time": 1.5488510131835938,
            "dport": 1900,
            "sport": 1900
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 28120,
            "time": 1.0570869445800781,
            "dport": 3702,
            "sport": 49152
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 36504,
            "time": 3.093909978866577,
            "dport": 1900,
            "sport": 53598
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "bd77c3b349be40a425a423bee434fc62fc7e2604cf87d6c6b38dc3af043392aa",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "62331ed1f0f25380af7210865e46b689afa534cae742c40c5f5d2863d2d978e9",
    "irc": [],
    "https_ex": []
}

Screenshots

Screenshot from the sandbox

yugo.exe removal instructions

The instructions below shows how to remove yugo.exe with help from the FreeFixer removal tool. Basically, you install FreeFixer, scan your computer, check the yugo.exe file for removal, restart your computer and scan it again to verify that yugo.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 yugo.exe in the scan result and tick the checkbox next to the yugo.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 yugo.exe in the scan result.
    Red arrow point on the unwanted file
    c:\downloads\yugo.exe
  4. Scroll down to the bottom of the scan result and press the Fix button. FreeFixer will now delete the yugo.exe file.
    Screenshot of Fix button
  5. Restart your computer.
  6. Start FreeFixer and scan your computer again. If yugo.exe still remains in the scan result, proceed with the next step. If yugo.exe is gone from the scan result you're done.
  7. If yugo.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 yugo.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
MD54c417ed64b57e243db859bd3e1ff203b
SHA2561fd0474ceb61363dd8b94f299cf87893767836ac8d4c82044c9b8197e28ff043

Error Messages

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

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

yugo.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.

yugo.exe has stopped working.

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

yugo.exe is not a valid Win32 application.

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

What will you do with yugo.exe?

To help other users, please let us know what you will do with yugo.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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